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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 07:56:49 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 07:56:49 +0000 |
| commit | a415c29efee45520ae252d2aa28f1083a521cd7b (patch) | |
| tree | f4ade4b6668ecc0765de7e1424f7c1427ad433ff /wp-includes/post.php | |
| parent | Initial commit. (diff) | |
| download | wordpress-a415c29efee45520ae252d2aa28f1083a521cd7b.tar.xz wordpress-a415c29efee45520ae252d2aa28f1083a521cd7b.zip | |
Adding upstream version 6.4.3+dfsg1.upstream/6.4.3+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'wp-includes/post.php')
| -rw-r--r-- | wp-includes/post.php | 8150 |
1 files changed, 8150 insertions, 0 deletions
diff --git a/wp-includes/post.php b/wp-includes/post.php new file mode 100644 index 0000000..edad521 --- /dev/null +++ b/wp-includes/post.php @@ -0,0 +1,8150 @@ +<?php +/** + * Core Post API + * + * @package WordPress + * @subpackage Post + */ + +// +// Post Type registration. +// + +/** + * Creates the initial post types when 'init' action is fired. + * + * See {@see 'init'}. + * + * @since 2.9.0 + */ +function create_initial_post_types() { + WP_Post_Type::reset_default_labels(); + + register_post_type( + 'post', + array( + 'labels' => array( + 'name_admin_bar' => _x( 'Post', 'add new from admin bar' ), + ), + 'public' => true, + '_builtin' => true, /* internal use only. don't use this when registering your own post type. */ + '_edit_link' => 'post.php?post=%d', /* internal use only. don't use this when registering your own post type. */ + 'capability_type' => 'post', + 'map_meta_cap' => true, + 'menu_position' => 5, + 'menu_icon' => 'dashicons-admin-post', + 'hierarchical' => false, + 'rewrite' => false, + 'query_var' => false, + 'delete_with_user' => true, + 'supports' => array( 'title', 'editor', 'author', 'thumbnail', 'excerpt', 'trackbacks', 'custom-fields', 'comments', 'revisions', 'post-formats' ), + 'show_in_rest' => true, + 'rest_base' => 'posts', + 'rest_controller_class' => 'WP_REST_Posts_Controller', + ) + ); + + register_post_type( + 'page', + array( + 'labels' => array( + 'name_admin_bar' => _x( 'Page', 'add new from admin bar' ), + ), + 'public' => true, + 'publicly_queryable' => false, + '_builtin' => true, /* internal use only. don't use this when registering your own post type. */ + '_edit_link' => 'post.php?post=%d', /* internal use only. don't use this when registering your own post type. */ + 'capability_type' => 'page', + 'map_meta_cap' => true, + 'menu_position' => 20, + 'menu_icon' => 'dashicons-admin-page', + 'hierarchical' => true, + 'rewrite' => false, + 'query_var' => false, + 'delete_with_user' => true, + 'supports' => array( 'title', 'editor', 'author', 'thumbnail', 'page-attributes', 'custom-fields', 'comments', 'revisions' ), + 'show_in_rest' => true, + 'rest_base' => 'pages', + 'rest_controller_class' => 'WP_REST_Posts_Controller', + ) + ); + + register_post_type( + 'attachment', + array( + 'labels' => array( + 'name' => _x( 'Media', 'post type general name' ), + 'name_admin_bar' => _x( 'Media', 'add new from admin bar' ), + 'add_new' => __( 'Add New Media File' ), + 'edit_item' => __( 'Edit Media' ), + 'view_item' => ( '1' === get_option( 'wp_attachment_pages_enabled' ) ) ? __( 'View Attachment Page' ) : __( 'View Media File' ), + 'attributes' => __( 'Attachment Attributes' ), + ), + 'public' => true, + 'show_ui' => true, + '_builtin' => true, /* internal use only. don't use this when registering your own post type. */ + '_edit_link' => 'post.php?post=%d', /* internal use only. don't use this when registering your own post type. */ + 'capability_type' => 'post', + 'capabilities' => array( + 'create_posts' => 'upload_files', + ), + 'map_meta_cap' => true, + 'menu_icon' => 'dashicons-admin-media', + 'hierarchical' => false, + 'rewrite' => false, + 'query_var' => false, + 'show_in_nav_menus' => false, + 'delete_with_user' => true, + 'supports' => array( 'title', 'author', 'comments' ), + 'show_in_rest' => true, + 'rest_base' => 'media', + 'rest_controller_class' => 'WP_REST_Attachments_Controller', + ) + ); + add_post_type_support( 'attachment:audio', 'thumbnail' ); + add_post_type_support( 'attachment:video', 'thumbnail' ); + + register_post_type( + 'revision', + array( + 'labels' => array( + 'name' => __( 'Revisions' ), + 'singular_name' => __( 'Revision' ), + ), + 'public' => false, + '_builtin' => true, /* internal use only. don't use this when registering your own post type. */ + '_edit_link' => 'revision.php?revision=%d', /* internal use only. don't use this when registering your own post type. */ + 'capability_type' => 'post', + 'map_meta_cap' => true, + 'hierarchical' => false, + 'rewrite' => false, + 'query_var' => false, + 'can_export' => false, + 'delete_with_user' => true, + 'supports' => array( 'author' ), + ) + ); + + register_post_type( + 'nav_menu_item', + array( + 'labels' => array( + 'name' => __( 'Navigation Menu Items' ), + 'singular_name' => __( 'Navigation Menu Item' ), + ), + 'public' => false, + '_builtin' => true, /* internal use only. don't use this when registering your own post type. */ + 'hierarchical' => false, + 'rewrite' => false, + 'delete_with_user' => false, + 'query_var' => false, + 'map_meta_cap' => true, + 'capability_type' => array( 'edit_theme_options', 'edit_theme_options' ), + 'capabilities' => array( + // Meta Capabilities. + 'edit_post' => 'edit_post', + 'read_post' => 'read_post', + 'delete_post' => 'delete_post', + // Primitive Capabilities. + 'edit_posts' => 'edit_theme_options', + 'edit_others_posts' => 'edit_theme_options', + 'delete_posts' => 'edit_theme_options', + 'publish_posts' => 'edit_theme_options', + 'read_private_posts' => 'edit_theme_options', + 'read' => 'read', + 'delete_private_posts' => 'edit_theme_options', + 'delete_published_posts' => 'edit_theme_options', + 'delete_others_posts' => 'edit_theme_options', + 'edit_private_posts' => 'edit_theme_options', + 'edit_published_posts' => 'edit_theme_options', + ), + 'show_in_rest' => true, + 'rest_base' => 'menu-items', + 'rest_controller_class' => 'WP_REST_Menu_Items_Controller', + ) + ); + + register_post_type( + 'custom_css', + array( + 'labels' => array( + 'name' => __( 'Custom CSS' ), + 'singular_name' => __( 'Custom CSS' ), + ), + 'public' => false, + 'hierarchical' => false, + 'rewrite' => false, + 'query_var' => false, + 'delete_with_user' => false, + 'can_export' => true, + '_builtin' => true, /* internal use only. don't use this when registering your own post type. */ + 'supports' => array( 'title', 'revisions' ), + 'capabilities' => array( + 'delete_posts' => 'edit_theme_options', + 'delete_post' => 'edit_theme_options', + 'delete_published_posts' => 'edit_theme_options', + 'delete_private_posts' => 'edit_theme_options', + 'delete_others_posts' => 'edit_theme_options', + 'edit_post' => 'edit_css', + 'edit_posts' => 'edit_css', + 'edit_others_posts' => 'edit_css', + 'edit_published_posts' => 'edit_css', + 'read_post' => 'read', + 'read_private_posts' => 'read', + 'publish_posts' => 'edit_theme_options', + ), + ) + ); + + register_post_type( + 'customize_changeset', + array( + 'labels' => array( + 'name' => _x( 'Changesets', 'post type general name' ), + 'singular_name' => _x( 'Changeset', 'post type singular name' ), + 'add_new' => __( 'Add New Changeset' ), + 'add_new_item' => __( 'Add New Changeset' ), + 'new_item' => __( 'New Changeset' ), + 'edit_item' => __( 'Edit Changeset' ), + 'view_item' => __( 'View Changeset' ), + 'all_items' => __( 'All Changesets' ), + 'search_items' => __( 'Search Changesets' ), + 'not_found' => __( 'No changesets found.' ), + 'not_found_in_trash' => __( 'No changesets found in Trash.' ), + ), + 'public' => false, + '_builtin' => true, /* internal use only. don't use this when registering your own post type. */ + 'map_meta_cap' => true, + 'hierarchical' => false, + 'rewrite' => false, + 'query_var' => false, + 'can_export' => false, + 'delete_with_user' => false, + 'supports' => array( 'title', 'author' ), + 'capability_type' => 'customize_changeset', + 'capabilities' => array( + 'create_posts' => 'customize', + 'delete_others_posts' => 'customize', + 'delete_post' => 'customize', + 'delete_posts' => 'customize', + 'delete_private_posts' => 'customize', + 'delete_published_posts' => 'customize', + 'edit_others_posts' => 'customize', + 'edit_post' => 'customize', + 'edit_posts' => 'customize', + 'edit_private_posts' => 'customize', + 'edit_published_posts' => 'do_not_allow', + 'publish_posts' => 'customize', + 'read' => 'read', + 'read_post' => 'customize', + 'read_private_posts' => 'customize', + ), + ) + ); + + register_post_type( + 'oembed_cache', + array( + 'labels' => array( + 'name' => __( 'oEmbed Responses' ), + 'singular_name' => __( 'oEmbed Response' ), + ), + 'public' => false, + 'hierarchical' => false, + 'rewrite' => false, + 'query_var' => false, + 'delete_with_user' => false, + 'can_export' => false, + '_builtin' => true, /* internal use only. don't use this when registering your own post type. */ + 'supports' => array(), + ) + ); + + register_post_type( + 'user_request', + array( + 'labels' => array( + 'name' => __( 'User Requests' ), + 'singular_name' => __( 'User Request' ), + ), + 'public' => false, + '_builtin' => true, /* internal use only. don't use this when registering your own post type. */ + 'hierarchical' => false, + 'rewrite' => false, + 'query_var' => false, + 'can_export' => false, + 'delete_with_user' => false, + 'supports' => array(), + ) + ); + + register_post_type( + 'wp_block', + array( + 'labels' => array( + 'name' => _x( 'Patterns', 'post type general name' ), + 'singular_name' => _x( 'Pattern', 'post type singular name' ), + 'add_new' => __( 'Add New Pattern' ), + 'add_new_item' => __( 'Add New Pattern' ), + 'new_item' => __( 'New Pattern' ), + 'edit_item' => __( 'Edit Block Pattern' ), + 'view_item' => __( 'View Pattern' ), + 'view_items' => __( 'View Patterns' ), + 'all_items' => __( 'All Patterns' ), + 'search_items' => __( 'Search Patterns' ), + 'not_found' => __( 'No patterns found.' ), + 'not_found_in_trash' => __( 'No patterns found in Trash.' ), + 'filter_items_list' => __( 'Filter patterns list' ), + 'items_list_navigation' => __( 'Patterns list navigation' ), + 'items_list' => __( 'Patterns list' ), + 'item_published' => __( 'Pattern published.' ), + 'item_published_privately' => __( 'Pattern published privately.' ), + 'item_reverted_to_draft' => __( 'Pattern reverted to draft.' ), + 'item_scheduled' => __( 'Pattern scheduled.' ), + 'item_updated' => __( 'Pattern updated.' ), + ), + 'public' => false, + '_builtin' => true, /* internal use only. don't use this when registering your own post type. */ + 'show_ui' => true, + 'show_in_menu' => false, + 'rewrite' => false, + 'show_in_rest' => true, + 'rest_base' => 'blocks', + 'rest_controller_class' => 'WP_REST_Blocks_Controller', + 'capability_type' => 'block', + 'capabilities' => array( + // You need to be able to edit posts, in order to read blocks in their raw form. + 'read' => 'edit_posts', + // You need to be able to publish posts, in order to create blocks. + 'create_posts' => 'publish_posts', + 'edit_posts' => 'edit_posts', + 'edit_published_posts' => 'edit_published_posts', + 'delete_published_posts' => 'delete_published_posts', + // Enables trashing draft posts as well. + 'delete_posts' => 'delete_posts', + 'edit_others_posts' => 'edit_others_posts', + 'delete_others_posts' => 'delete_others_posts', + ), + 'map_meta_cap' => true, + 'supports' => array( + 'title', + 'editor', + 'revisions', + 'custom-fields', + ), + ) + ); + + $template_edit_link = 'site-editor.php?' . build_query( + array( + 'postType' => '%s', + 'postId' => '%s', + 'canvas' => 'edit', + ) + ); + + register_post_type( + 'wp_template', + array( + 'labels' => array( + 'name' => _x( 'Templates', 'post type general name' ), + 'singular_name' => _x( 'Template', 'post type singular name' ), + 'add_new' => __( 'Add New Template' ), + 'add_new_item' => __( 'Add New Template' ), + 'new_item' => __( 'New Template' ), + 'edit_item' => __( 'Edit Template' ), + 'view_item' => __( 'View Template' ), + 'all_items' => __( 'Templates' ), + 'search_items' => __( 'Search Templates' ), + 'parent_item_colon' => __( 'Parent Template:' ), + 'not_found' => __( 'No templates found.' ), + 'not_found_in_trash' => __( 'No templates found in Trash.' ), + 'archives' => __( 'Template archives' ), + 'insert_into_item' => __( 'Insert into template' ), + 'uploaded_to_this_item' => __( 'Uploaded to this template' ), + 'filter_items_list' => __( 'Filter templates list' ), + 'items_list_navigation' => __( 'Templates list navigation' ), + 'items_list' => __( 'Templates list' ), + ), + 'description' => __( 'Templates to include in your theme.' ), + 'public' => false, + '_builtin' => true, /* internal use only. don't use this when registering your own post type. */ + '_edit_link' => $template_edit_link, /* internal use only. don't use this when registering your own post type. */ + 'has_archive' => false, + 'show_ui' => false, + 'show_in_menu' => false, + 'show_in_rest' => true, + 'rewrite' => false, + 'rest_base' => 'templates', + 'rest_controller_class' => 'WP_REST_Templates_Controller', + 'autosave_rest_controller_class' => 'WP_REST_Template_Autosaves_Controller', + 'revisions_rest_controller_class' => 'WP_REST_Template_Revisions_Controller', + 'late_route_registration' => true, + 'capability_type' => array( 'template', 'templates' ), + 'capabilities' => array( + 'create_posts' => 'edit_theme_options', + 'delete_posts' => 'edit_theme_options', + 'delete_others_posts' => 'edit_theme_options', + 'delete_private_posts' => 'edit_theme_options', + 'delete_published_posts' => 'edit_theme_options', + 'edit_posts' => 'edit_theme_options', + 'edit_others_posts' => 'edit_theme_options', + 'edit_private_posts' => 'edit_theme_options', + 'edit_published_posts' => 'edit_theme_options', + 'publish_posts' => 'edit_theme_options', + 'read' => 'edit_theme_options', + 'read_private_posts' => 'edit_theme_options', + ), + 'map_meta_cap' => true, + 'supports' => array( + 'title', + 'slug', + 'excerpt', + 'editor', + 'revisions', + 'author', + ), + ) + ); + + register_post_type( + 'wp_template_part', + array( + 'labels' => array( + 'name' => _x( 'Template Parts', 'post type general name' ), + 'singular_name' => _x( 'Template Part', 'post type singular name' ), + 'add_new' => __( 'Add New Template Part' ), + 'add_new_item' => __( 'Add New Template Part' ), + 'new_item' => __( 'New Template Part' ), + 'edit_item' => __( 'Edit Template Part' ), + 'view_item' => __( 'View Template Part' ), + 'all_items' => __( 'Template Parts' ), + 'search_items' => __( 'Search Template Parts' ), + 'parent_item_colon' => __( 'Parent Template Part:' ), + 'not_found' => __( 'No template parts found.' ), + 'not_found_in_trash' => __( 'No template parts found in Trash.' ), + 'archives' => __( 'Template part archives' ), + 'insert_into_item' => __( 'Insert into template part' ), + 'uploaded_to_this_item' => __( 'Uploaded to this template part' ), + 'filter_items_list' => __( 'Filter template parts list' ), + 'items_list_navigation' => __( 'Template parts list navigation' ), + 'items_list' => __( 'Template parts list' ), + ), + 'description' => __( 'Template parts to include in your templates.' ), + 'public' => false, + '_builtin' => true, /* internal use only. don't use this when registering your own post type. */ + '_edit_link' => $template_edit_link, /* internal use only. don't use this when registering your own post type. */ + 'has_archive' => false, + 'show_ui' => false, + 'show_in_menu' => false, + 'show_in_rest' => true, + 'rewrite' => false, + 'rest_base' => 'template-parts', + 'rest_controller_class' => 'WP_REST_Templates_Controller', + 'autosave_rest_controller_class' => 'WP_REST_Template_Autosaves_Controller', + 'revisions_rest_controller_class' => 'WP_REST_Template_Revisions_Controller', + 'late_route_registration' => true, + 'map_meta_cap' => true, + 'capabilities' => array( + 'create_posts' => 'edit_theme_options', + 'delete_posts' => 'edit_theme_options', + 'delete_others_posts' => 'edit_theme_options', + 'delete_private_posts' => 'edit_theme_options', + 'delete_published_posts' => 'edit_theme_options', + 'edit_posts' => 'edit_theme_options', + 'edit_others_posts' => 'edit_theme_options', + 'edit_private_posts' => 'edit_theme_options', + 'edit_published_posts' => 'edit_theme_options', + 'publish_posts' => 'edit_theme_options', + 'read' => 'edit_theme_options', + 'read_private_posts' => 'edit_theme_options', + ), + 'supports' => array( + 'title', + 'slug', + 'excerpt', + 'editor', + 'revisions', + 'author', + ), + ) + ); + + register_post_type( + 'wp_global_styles', + array( + 'label' => _x( 'Global Styles', 'post type general name' ), + 'description' => __( 'Global styles to include in themes.' ), + 'public' => false, + '_builtin' => true, /* internal use only. don't use this when registering your own post type. */ + '_edit_link' => '/site-editor.php?canvas=edit', /* internal use only. don't use this when registering your own post type. */ + 'show_ui' => false, + 'show_in_rest' => false, + 'rewrite' => false, + 'capabilities' => array( + 'read' => 'edit_theme_options', + 'create_posts' => 'edit_theme_options', + 'edit_posts' => 'edit_theme_options', + 'edit_published_posts' => 'edit_theme_options', + 'delete_published_posts' => 'edit_theme_options', + 'edit_others_posts' => 'edit_theme_options', + 'delete_others_posts' => 'edit_theme_options', + ), + 'map_meta_cap' => true, + 'supports' => array( + 'title', + 'editor', + 'revisions', + ), + ) + ); + + $navigation_post_edit_link = 'site-editor.php?' . build_query( + array( + 'postId' => '%s', + 'postType' => 'wp_navigation', + 'canvas' => 'edit', + ) + ); + + register_post_type( + 'wp_navigation', + array( + 'labels' => array( + 'name' => _x( 'Navigation Menus', 'post type general name' ), + 'singular_name' => _x( 'Navigation Menu', 'post type singular name' ), + 'add_new' => __( 'Add New Navigation Menu' ), + 'add_new_item' => __( 'Add New Navigation Menu' ), + 'new_item' => __( 'New Navigation Menu' ), + 'edit_item' => __( 'Edit Navigation Menu' ), + 'view_item' => __( 'View Navigation Menu' ), + 'all_items' => __( 'Navigation Menus' ), + 'search_items' => __( 'Search Navigation Menus' ), + 'parent_item_colon' => __( 'Parent Navigation Menu:' ), + 'not_found' => __( 'No Navigation Menu found.' ), + 'not_found_in_trash' => __( 'No Navigation Menu found in Trash.' ), + 'archives' => __( 'Navigation Menu archives' ), + 'insert_into_item' => __( 'Insert into Navigation Menu' ), + 'uploaded_to_this_item' => __( 'Uploaded to this Navigation Menu' ), + 'filter_items_list' => __( 'Filter Navigation Menu list' ), + 'items_list_navigation' => __( 'Navigation Menus list navigation' ), + 'items_list' => __( 'Navigation Menus list' ), + ), + 'description' => __( 'Navigation menus that can be inserted into your site.' ), + 'public' => false, + '_builtin' => true, /* internal use only. don't use this when registering your own post type. */ + '_edit_link' => $navigation_post_edit_link, /* internal use only. don't use this when registering your own post type. */ + 'has_archive' => false, + 'show_ui' => true, + 'show_in_menu' => false, + 'show_in_admin_bar' => false, + 'show_in_rest' => true, + 'rewrite' => false, + 'map_meta_cap' => true, + 'capabilities' => array( + 'edit_others_posts' => 'edit_theme_options', + 'delete_posts' => 'edit_theme_options', + 'publish_posts' => 'edit_theme_options', + 'create_posts' => 'edit_theme_options', + 'read_private_posts' => 'edit_theme_options', + 'delete_private_posts' => 'edit_theme_options', + 'delete_published_posts' => 'edit_theme_options', + 'delete_others_posts' => 'edit_theme_options', + 'edit_private_posts' => 'edit_theme_options', + 'edit_published_posts' => 'edit_theme_options', + 'edit_posts' => 'edit_theme_options', + ), + 'rest_base' => 'navigation', + 'rest_controller_class' => 'WP_REST_Posts_Controller', + 'supports' => array( + 'title', + 'editor', + 'revisions', + ), + ) + ); + + register_post_status( + 'publish', + array( + 'label' => _x( 'Published', 'post status' ), + 'public' => true, + '_builtin' => true, /* internal use only. */ + /* translators: %s: Number of published posts. */ + 'label_count' => _n_noop( + 'Published <span class="count">(%s)</span>', + 'Published <span class="count">(%s)</span>' + ), + ) + ); + + register_post_status( + 'future', + array( + 'label' => _x( 'Scheduled', 'post status' ), + 'protected' => true, + '_builtin' => true, /* internal use only. */ + /* translators: %s: Number of scheduled posts. */ + 'label_count' => _n_noop( + 'Scheduled <span class="count">(%s)</span>', + 'Scheduled <span class="count">(%s)</span>' + ), + ) + ); + + register_post_status( + 'draft', + array( + 'label' => _x( 'Draft', 'post status' ), + 'protected' => true, + '_builtin' => true, /* internal use only. */ + /* translators: %s: Number of draft posts. */ + 'label_count' => _n_noop( + 'Draft <span class="count">(%s)</span>', + 'Drafts <span class="count">(%s)</span>' + ), + 'date_floating' => true, + ) + ); + + register_post_status( + 'pending', + array( + 'label' => _x( 'Pending', 'post status' ), + 'protected' => true, + '_builtin' => true, /* internal use only. */ + /* translators: %s: Number of pending posts. */ + 'label_count' => _n_noop( + 'Pending <span class="count">(%s)</span>', + 'Pending <span class="count">(%s)</span>' + ), + 'date_floating' => true, + ) + ); + + register_post_status( + 'private', + array( + 'label' => _x( 'Private', 'post status' ), + 'private' => true, + '_builtin' => true, /* internal use only. */ + /* translators: %s: Number of private posts. */ + 'label_count' => _n_noop( + 'Private <span class="count">(%s)</span>', + 'Private <span class="count">(%s)</span>' + ), + ) + ); + + register_post_status( + 'trash', + array( + 'label' => _x( 'Trash', 'post status' ), + 'internal' => true, + '_builtin' => true, /* internal use only. */ + /* translators: %s: Number of trashed posts. */ + 'label_count' => _n_noop( + 'Trash <span class="count">(%s)</span>', + 'Trash <span class="count">(%s)</span>' + ), + 'show_in_admin_status_list' => true, + ) + ); + + register_post_status( + 'auto-draft', + array( + 'label' => 'auto-draft', + 'internal' => true, + '_builtin' => true, /* internal use only. */ + 'date_floating' => true, + ) + ); + + register_post_status( + 'inherit', + array( + 'label' => 'inherit', + 'internal' => true, + '_builtin' => true, /* internal use only. */ + 'exclude_from_search' => false, + ) + ); + + register_post_status( + 'request-pending', + array( + 'label' => _x( 'Pending', 'request status' ), + 'internal' => true, + '_builtin' => true, /* internal use only. */ + /* translators: %s: Number of pending requests. */ + 'label_count' => _n_noop( + 'Pending <span class="count">(%s)</span>', + 'Pending <span class="count">(%s)</span>' + ), + 'exclude_from_search' => false, + ) + ); + + register_post_status( + 'request-confirmed', + array( + 'label' => _x( 'Confirmed', 'request status' ), + 'internal' => true, + '_builtin' => true, /* internal use only. */ + /* translators: %s: Number of confirmed requests. */ + 'label_count' => _n_noop( + 'Confirmed <span class="count">(%s)</span>', + 'Confirmed <span class="count">(%s)</span>' + ), + 'exclude_from_search' => false, + ) + ); + + register_post_status( + 'request-failed', + array( + 'label' => _x( 'Failed', 'request status' ), + 'internal' => true, + '_builtin' => true, /* internal use only. */ + /* translators: %s: Number of failed requests. */ + 'label_count' => _n_noop( + 'Failed <span class="count">(%s)</span>', + 'Failed <span class="count">(%s)</span>' + ), + 'exclude_from_search' => false, + ) + ); + + register_post_status( + 'request-completed', + array( + 'label' => _x( 'Completed', 'request status' ), + 'internal' => true, + '_builtin' => true, /* internal use only. */ + /* translators: %s: Number of completed requests. */ + 'label_count' => _n_noop( + 'Completed <span class="count">(%s)</span>', + 'Completed <span class="count">(%s)</span>' + ), + 'exclude_from_search' => false, + ) + ); +} + +/** + * Retrieves attached file path based on attachment ID. + * + * By default the path will go through the {@see 'get_attached_file'} filter, but + * passing `true` to the `$unfiltered` argument will return the file path unfiltered. + * + * The function works by retrieving the `_wp_attached_file` post meta value. + * This is a convenience function to prevent looking up the meta name and provide + * a mechanism for sending the attached filename through a filter. + * + * @since 2.0.0 + * + * @param int $attachment_id Attachment ID. + * @param bool $unfiltered Optional. Whether to skip the {@see 'get_attached_file'} filter. + * Default false. + * @return string|false The file path to where the attached file should be, false otherwise. + */ +function get_attached_file( $attachment_id, $unfiltered = false ) { + $file = get_post_meta( $attachment_id, '_wp_attached_file', true ); + + // If the file is relative, prepend upload dir. + if ( $file && ! str_starts_with( $file, '/' ) && ! preg_match( '|^.:\\\|', $file ) ) { + $uploads = wp_get_upload_dir(); + if ( false === $uploads['error'] ) { + $file = $uploads['basedir'] . "/$file"; + } + } + + if ( $unfiltered ) { + return $file; + } + + /** + * Filters the attached file based on the given ID. + * + * @since 2.1.0 + * + * @param string|false $file The file path to where the attached file should be, false otherwise. + * @param int $attachment_id Attachment ID. + */ + return apply_filters( 'get_attached_file', $file, $attachment_id ); +} + +/** + * Updates attachment file path based on attachment ID. + * + * Used to update the file path of the attachment, which uses post meta name + * '_wp_attached_file' to store the path of the attachment. + * + * @since 2.1.0 + * + * @param int $attachment_id Attachment ID. + * @param string $file File path for the attachment. + * @return bool True on success, false on failure. + */ +function update_attached_file( $attachment_id, $file ) { + if ( ! get_post( $attachment_id ) ) { + return false; + } + + /** + * Filters the path to the attached file to update. + * + * @since 2.1.0 + * + * @param string $file Path to the attached file to update. + * @param int $attachment_id Attachment ID. + */ + $file = apply_filters( 'update_attached_file', $file, $attachment_id ); + + $file = _wp_relative_upload_path( $file ); + if ( $file ) { + return update_post_meta( $attachment_id, '_wp_attached_file', $file ); + } else { + return delete_post_meta( $attachment_id, '_wp_attached_file' ); + } +} + +/** + * Returns relative path to an uploaded file. + * + * The path is relative to the current upload dir. + * + * @since 2.9.0 + * @access private + * + * @param string $path Full path to the file. + * @return string Relative path on success, unchanged path on failure. + */ +function _wp_relative_upload_path( $path ) { + $new_path = $path; + + $uploads = wp_get_upload_dir(); + if ( str_starts_with( $new_path, $uploads['basedir'] ) ) { + $new_path = str_replace( $uploads['basedir'], '', $new_path ); + $new_path = ltrim( $new_path, '/' ); + } + + /** + * Filters the relative path to an uploaded file. + * + * @since 2.9.0 + * + * @param string $new_path Relative path to the file. + * @param string $path Full path to the file. + */ + return apply_filters( '_wp_relative_upload_path', $new_path, $path ); +} + +/** + * Retrieves all children of the post parent ID. + * + * Normally, without any enhancements, the children would apply to pages. In the + * context of the inner workings of WordPress, pages, posts, and attachments + * share the same table, so therefore the functionality could apply to any one + * of them. It is then noted that while this function does not work on posts, it + * does not mean that it won't work on posts. It is recommended that you know + * what context you wish to retrieve the children of. + * + * Attachments may also be made the child of a post, so if that is an accurate + * statement (which needs to be verified), it would then be possible to get + * all of the attachments for a post. Attachments have since changed since + * version 2.5, so this is most likely inaccurate, but serves generally as an + * example of what is possible. + * + * The arguments listed as defaults are for this function and also of the + * get_posts() function. The arguments are combined with the get_children defaults + * and are then passed to the get_posts() function, which accepts additional arguments. + * You can replace the defaults in this function, listed below and the additional + * arguments listed in the get_posts() function. + * + * The 'post_parent' is the most important argument and important attention + * needs to be paid to the $args parameter. If you pass either an object or an + * integer (number), then just the 'post_parent' is grabbed and everything else + * is lost. If you don't specify any arguments, then it is assumed that you are + * in The Loop and the post parent will be grabbed for from the current post. + * + * The 'post_parent' argument is the ID to get the children. The 'numberposts' + * is the amount of posts to retrieve that has a default of '-1', which is + * used to get all of the posts. Giving a number higher than 0 will only + * retrieve that amount of posts. + * + * The 'post_type' and 'post_status' arguments can be used to choose what + * criteria of posts to retrieve. The 'post_type' can be anything, but WordPress + * post types are 'post', 'pages', and 'attachments'. The 'post_status' + * argument will accept any post status within the write administration panels. + * + * @since 2.0.0 + * + * @see get_posts() + * @todo Check validity of description. + * + * @global WP_Post $post Global post object. + * + * @param mixed $args Optional. User defined arguments for replacing the defaults. Default empty. + * @param string $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which + * correspond to a WP_Post object, an associative array, or a numeric array, + * respectively. Default OBJECT. + * @return WP_Post[]|array[]|int[] Array of post objects, arrays, or IDs, depending on `$output`. + */ +function get_children( $args = '', $output = OBJECT ) { + $kids = array(); + if ( empty( $args ) ) { + if ( isset( $GLOBALS['post'] ) ) { + $args = array( 'post_parent' => (int) $GLOBALS['post']->post_parent ); + } else { + return $kids; + } + } elseif ( is_object( $args ) ) { + $args = array( 'post_parent' => (int) $args->post_parent ); + } elseif ( is_numeric( $args ) ) { + $args = array( 'post_parent' => (int) $args ); + } + + $defaults = array( + 'numberposts' => -1, + 'post_type' => 'any', + 'post_status' => 'any', + 'post_parent' => 0, + ); + + $parsed_args = wp_parse_args( $args, $defaults ); + + $children = get_posts( $parsed_args ); + + if ( ! $children ) { + return $kids; + } + + if ( ! empty( $parsed_args['fields'] ) ) { + return $children; + } + + update_post_cache( $children ); + + foreach ( $children as $key => $child ) { + $kids[ $child->ID ] = $children[ $key ]; + } + + if ( OBJECT === $output ) { + return $kids; + } elseif ( ARRAY_A === $output ) { + $weeuns = array(); + foreach ( (array) $kids as $kid ) { + $weeuns[ $kid->ID ] = get_object_vars( $kids[ $kid->ID ] ); + } + return $weeuns; + } elseif ( ARRAY_N === $output ) { + $babes = array(); + foreach ( (array) $kids as $kid ) { + $babes[ $kid->ID ] = array_values( get_object_vars( $kids[ $kid->ID ] ) ); + } + return $babes; + } else { + return $kids; + } +} + +/** + * Gets extended entry info (<!--more-->). + * + * There should not be any space after the second dash and before the word + * 'more'. There can be text or space(s) after the word 'more', but won't be + * referenced. + * + * The returned array has 'main', 'extended', and 'more_text' keys. Main has the text before + * the `<!--more-->`. The 'extended' key has the content after the + * `<!--more-->` comment. The 'more_text' key has the custom "Read More" text. + * + * @since 1.0.0 + * + * @param string $post Post content. + * @return string[] { + * Extended entry info. + * + * @type string $main Content before the more tag. + * @type string $extended Content after the more tag. + * @type string $more_text Custom read more text, or empty string. + * } + */ +function get_extended( $post ) { + // Match the new style more links. + if ( preg_match( '/<!--more(.*?)?-->/', $post, $matches ) ) { + list($main, $extended) = explode( $matches[0], $post, 2 ); + $more_text = $matches[1]; + } else { + $main = $post; + $extended = ''; + $more_text = ''; + } + + // Leading and trailing whitespace. + $main = preg_replace( '/^[\s]*(.*)[\s]*$/', '\\1', $main ); + $extended = preg_replace( '/^[\s]*(.*)[\s]*$/', '\\1', $extended ); + $more_text = preg_replace( '/^[\s]*(.*)[\s]*$/', '\\1', $more_text ); + + return array( + 'main' => $main, + 'extended' => $extended, + 'more_text' => $more_text, + ); +} + +/** + * Retrieves post data given a post ID or post object. + * + * See sanitize_post() for optional $filter values. Also, the parameter + * `$post`, must be given as a variable, since it is passed by reference. + * + * @since 1.5.1 + * + * @global WP_Post $post Global post object. + * + * @param int|WP_Post|null $post Optional. Post ID or post object. `null`, `false`, `0` and other PHP falsey values + * return the current global post inside the loop. A numerically valid post ID that + * points to a non-existent post returns `null`. Defaults to global $post. + * @param string $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which + * correspond to a WP_Post object, an associative array, or a numeric array, + * respectively. Default OBJECT. + * @param string $filter Optional. Type of filter to apply. Accepts 'raw', 'edit', 'db', + * or 'display'. Default 'raw'. + * @return WP_Post|array|null Type corresponding to $output on success or null on failure. + * When $output is OBJECT, a `WP_Post` instance is returned. + */ +function get_post( $post = null, $output = OBJECT, $filter = 'raw' ) { + if ( empty( $post ) && isset( $GLOBALS['post'] ) ) { + $post = $GLOBALS['post']; + } + + if ( $post instanceof WP_Post ) { + $_post = $post; + } elseif ( is_object( $post ) ) { + if ( empty( $post->filter ) ) { + $_post = sanitize_post( $post, 'raw' ); + $_post = new WP_Post( $_post ); + } elseif ( 'raw' === $post->filter ) { + $_post = new WP_Post( $post ); + } else { + $_post = WP_Post::get_instance( $post->ID ); + } + } else { + $_post = WP_Post::get_instance( $post ); + } + + if ( ! $_post ) { + return null; + } + + $_post = $_post->filter( $filter ); + + if ( ARRAY_A === $output ) { + return $_post->to_array(); + } elseif ( ARRAY_N === $output ) { + return array_values( $_post->to_array() ); + } + + return $_post; +} + +/** + * Retrieves the IDs of the ancestors of a post. + * + * @since 2.5.0 + * + * @param int|WP_Post $post Post ID or post object. + * @return int[] Array of ancestor IDs or empty array if there are none. + */ +function get_post_ancestors( $post ) { + $post = get_post( $post ); + + if ( ! $post || empty( $post->post_parent ) || $post->post_parent == $post->ID ) { + return array(); + } + + $ancestors = array(); + + $id = $post->post_parent; + $ancestors[] = $id; + + while ( $ancestor = get_post( $id ) ) { + // Loop detection: If the ancestor has been seen before, break. + if ( empty( $ancestor->post_parent ) || ( $ancestor->post_parent == $post->ID ) || in_array( $ancestor->post_parent, $ancestors, true ) ) { + break; + } + + $id = $ancestor->post_parent; + $ancestors[] = $id; + } + + return $ancestors; +} + +/** + * Retrieves data from a post field based on Post ID. + * + * Examples of the post field will be, 'post_type', 'post_status', 'post_content', + * etc and based off of the post object property or key names. + * + * The context values are based off of the taxonomy filter functions and + * supported values are found within those functions. + * + * @since 2.3.0 + * @since 4.5.0 The `$post` parameter was made optional. + * + * @see sanitize_post_field() + * + * @param string $field Post field name. + * @param int|WP_Post $post Optional. Post ID or post object. Defaults to global $post. + * @param string $context Optional. How to filter the field. Accepts 'raw', 'edit', 'db', + * or 'display'. Default 'display'. + * @return string The value of the post field on success, empty string on failure. + */ +function get_post_field( $field, $post = null, $context = 'display' ) { + $post = get_post( $post ); + + if ( ! $post ) { + return ''; + } + + if ( ! isset( $post->$field ) ) { + return ''; + } + + return sanitize_post_field( $field, $post->$field, $post->ID, $context ); +} + +/** + * Retrieves the mime type of an attachment based on the ID. + * + * This function can be used with any post type, but it makes more sense with + * attachments. + * + * @since 2.0.0 + * + * @param int|WP_Post $post Optional. Post ID or post object. Defaults to global $post. + * @return string|false The mime type on success, false on failure. + */ +function get_post_mime_type( $post = null ) { + $post = get_post( $post ); + + if ( is_object( $post ) ) { + return $post->post_mime_type; + } + + return false; +} + +/** + * Retrieves the post status based on the post ID. + * + * If the post ID is of an attachment, then the parent post status will be given + * instead. + * + * @since 2.0.0 + * + * @param int|WP_Post $post Optional. Post ID or post object. Defaults to global $post. + * @return string|false Post status on success, false on failure. + */ +function get_post_status( $post = null ) { + $post = get_post( $post ); + + if ( ! is_object( $post ) ) { + return false; + } + + $post_status = $post->post_status; + + if ( + 'attachment' === $post->post_type && + 'inherit' === $post_status + ) { + if ( + 0 === $post->post_parent || + ! get_post( $post->post_parent ) || + $post->ID === $post->post_parent + ) { + // Unattached attachments with inherit status are assumed to be published. + $post_status = 'publish'; + } elseif ( 'trash' === get_post_status( $post->post_parent ) ) { + // Get parent status prior to trashing. + $post_status = get_post_meta( $post->post_parent, '_wp_trash_meta_status', true ); + + if ( ! $post_status ) { + // Assume publish as above. + $post_status = 'publish'; + } + } else { + $post_status = get_post_status( $post->post_parent ); + } + } elseif ( + 'attachment' === $post->post_type && + ! in_array( $post_status, array( 'private', 'trash', 'auto-draft' ), true ) + ) { + /* + * Ensure uninherited attachments have a permitted status either 'private', 'trash', 'auto-draft'. + * This is to match the logic in wp_insert_post(). + * + * Note: 'inherit' is excluded from this check as it is resolved to the parent post's + * status in the logic block above. + */ + $post_status = 'publish'; + } + + /** + * Filters the post status. + * + * @since 4.4.0 + * @since 5.7.0 The attachment post type is now passed through this filter. + * + * @param string $post_status The post status. + * @param WP_Post $post The post object. + */ + return apply_filters( 'get_post_status', $post_status, $post ); +} + +/** + * Retrieves all of the WordPress supported post statuses. + * + * Posts have a limited set of valid status values, this provides the + * post_status values and descriptions. + * + * @since 2.5.0 + * + * @return string[] Array of post status labels keyed by their status. + */ +function get_post_statuses() { + $status = array( + 'draft' => __( 'Draft' ), + 'pending' => __( 'Pending Review' ), + 'private' => __( 'Private' ), + 'publish' => __( 'Published' ), + ); + + return $status; +} + +/** + * Retrieves all of the WordPress support page statuses. + * + * Pages have a limited set of valid status values, this provides the + * post_status values and descriptions. + * + * @since 2.5.0 + * + * @return string[] Array of page status labels keyed by their status. + */ +function get_page_statuses() { + $status = array( + 'draft' => __( 'Draft' ), + 'private' => __( 'Private' ), + 'publish' => __( 'Published' ), + ); + + return $status; +} + +/** + * Returns statuses for privacy requests. + * + * @since 4.9.6 + * @access private + * + * @return string[] Array of privacy request status labels keyed by their status. + */ +function _wp_privacy_statuses() { + return array( + 'request-pending' => _x( 'Pending', 'request status' ), // Pending confirmation from user. + 'request-confirmed' => _x( 'Confirmed', 'request status' ), // User has confirmed the action. + 'request-failed' => _x( 'Failed', 'request status' ), // User failed to confirm the action. + 'request-completed' => _x( 'Completed', 'request status' ), // Admin has handled the request. + ); +} + +/** + * Registers a post status. Do not use before init. + * + * A simple function for creating or modifying a post status based on the + * parameters given. The function will accept an array (second optional + * parameter), along with a string for the post status name. + * + * Arguments prefixed with an _underscore shouldn't be used by plugins and themes. + * + * @since 3.0.0 + * + * @global stdClass[] $wp_post_statuses Inserts new post status object into the list + * + * @param string $post_status Name of the post status. + * @param array|string $args { + * Optional. Array or string of post status arguments. + * + * @type bool|string $label A descriptive name for the post status marked + * for translation. Defaults to value of $post_status. + * @type array|false $label_count Nooped plural text from _n_noop() to provide the singular + * and plural forms of the label for counts. Default false + * which means the `$label` argument will be used for both + * the singular and plural forms of this label. + * @type bool $exclude_from_search Whether to exclude posts with this post status + * from search results. Default is value of $internal. + * @type bool $_builtin Whether the status is built-in. Core-use only. + * Default false. + * @type bool $public Whether posts of this status should be shown + * in the front end of the site. Default false. + * @type bool $internal Whether the status is for internal use only. + * Default false. + * @type bool $protected Whether posts with this status should be protected. + * Default false. + * @type bool $private Whether posts with this status should be private. + * Default false. + * @type bool $publicly_queryable Whether posts with this status should be publicly- + * queryable. Default is value of $public. + * @type bool $show_in_admin_all_list Whether to include posts in the edit listing for + * their post type. Default is the opposite value + * of $internal. + * @type bool $show_in_admin_status_list Show in the list of statuses with post counts at + * the top of the edit listings, + * e.g. All (12) | Published (9) | My Custom Status (2) + * Default is the opposite value of $internal. + * @type bool $date_floating Whether the post has a floating creation date. + * Default to false. + * } + * @return object + */ +function register_post_status( $post_status, $args = array() ) { + global $wp_post_statuses; + + if ( ! is_array( $wp_post_statuses ) ) { + $wp_post_statuses = array(); + } + + // Args prefixed with an underscore are reserved for internal use. + $defaults = array( + 'label' => false, + 'label_count' => false, + 'exclude_from_search' => null, + '_builtin' => false, + 'public' => null, + 'internal' => null, + 'protected' => null, + 'private' => null, + 'publicly_queryable' => null, + 'show_in_admin_status_list' => null, + 'show_in_admin_all_list' => null, + 'date_floating' => null, + ); + $args = wp_parse_args( $args, $defaults ); + $args = (object) $args; + + $post_status = sanitize_key( $post_status ); + $args->name = $post_status; + + // Set various defaults. + if ( null === $args->public && null === $args->internal && null === $args->protected && null === $args->private ) { + $args->internal = true; + } + + if ( null === $args->public ) { + $args->public = false; + } + + if ( null === $args->private ) { + $args->private = false; + } + + if ( null === $args->protected ) { + $args->protected = false; + } + + if ( null === $args->internal ) { + $args->internal = false; + } + + if ( null === $args->publicly_queryable ) { + $args->publicly_queryable = $args->public; + } + + if ( null === $args->exclude_from_search ) { + $args->exclude_from_search = $args->internal; + } + + if ( null === $args->show_in_admin_all_list ) { + $args->show_in_admin_all_list = ! $args->internal; + } + + if ( null === $args->show_in_admin_status_list ) { + $args->show_in_admin_status_list = ! $args->internal; + } + + if ( null === $args->date_floating ) { + $args->date_floating = false; + } + + if ( false === $args->label ) { + $args->label = $post_status; + } + + if ( false === $args->label_count ) { + // phpcs:ignore WordPress.WP.I18n.NonSingularStringLiteralSingular,WordPress.WP.I18n.NonSingularStringLiteralPlural + $args->label_count = _n_noop( $args->label, $args->label ); + } + + $wp_post_statuses[ $post_status ] = $args; + + return $args; +} + +/** + * Retrieves a post status object by name. + * + * @since 3.0.0 + * + * @global stdClass[] $wp_post_statuses List of post statuses. + * + * @see register_post_status() + * + * @param string $post_status The name of a registered post status. + * @return stdClass|null A post status object. + */ +function get_post_status_object( $post_status ) { + global $wp_post_statuses; + + if ( empty( $wp_post_statuses[ $post_status ] ) ) { + return null; + } + + return $wp_post_statuses[ $post_status ]; +} + +/** + * Gets a list of post statuses. + * + * @since 3.0.0 + * + * @global stdClass[] $wp_post_statuses List of post statuses. + * + * @see register_post_status() + * + * @param array|string $args Optional. Array or string of post status arguments to compare against + * properties of the global `$wp_post_statuses objects`. Default empty array. + * @param string $output Optional. The type of output to return, either 'names' or 'objects'. Default 'names'. + * @param string $operator Optional. The logical operation to perform. 'or' means only one element + * from the array needs to match; 'and' means all elements must match. + * Default 'and'. + * @return string[]|stdClass[] A list of post status names or objects. + */ +function get_post_stati( $args = array(), $output = 'names', $operator = 'and' ) { + global $wp_post_statuses; + + $field = ( 'names' === $output ) ? 'name' : false; + + return wp_filter_object_list( $wp_post_statuses, $args, $operator, $field ); +} + +/** + * Determines whether the post type is hierarchical. + * + * A false return value might also mean that the post type does not exist. + * + * @since 3.0.0 + * + * @see get_post_type_object() + * + * @param string $post_type Post type name + * @return bool Whether post type is hierarchical. + */ +function is_post_type_hierarchical( $post_type ) { + if ( ! post_type_exists( $post_type ) ) { + return false; + } + + $post_type = get_post_type_object( $post_type ); + return $post_type->hierarchical; +} + +/** + * Determines whether a post type is registered. + * + * For more information on this and similar theme functions, check out + * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ + * Conditional Tags} article in the Theme Developer Handbook. + * + * @since 3.0.0 + * + * @see get_post_type_object() + * + * @param string $post_type Post type name. + * @return bool Whether post type is registered. + */ +function post_type_exists( $post_type ) { + return (bool) get_post_type_object( $post_type ); +} + +/** + * Retrieves the post type of the current post or of a given post. + * + * @since 2.1.0 + * + * @param int|WP_Post|null $post Optional. Post ID or post object. Default is global $post. + * @return string|false Post type on success, false on failure. + */ +function get_post_type( $post = null ) { + $post = get_post( $post ); + if ( $post ) { + return $post->post_type; + } + + return false; +} + +/** + * Retrieves a post type object by name. + * + * @since 3.0.0 + * @since 4.6.0 Object returned is now an instance of `WP_Post_Type`. + * + * @global array $wp_post_types List of post types. + * + * @see register_post_type() + * + * @param string $post_type The name of a registered post type. + * @return WP_Post_Type|null WP_Post_Type object if it exists, null otherwise. + */ +function get_post_type_object( $post_type ) { + global $wp_post_types; + + if ( ! is_scalar( $post_type ) || empty( $wp_post_types[ $post_type ] ) ) { + return null; + } + + return $wp_post_types[ $post_type ]; +} + +/** + * Gets a list of all registered post type objects. + * + * @since 2.9.0 + * + * @global array $wp_post_types List of post types. + * + * @see register_post_type() for accepted arguments. + * + * @param array|string $args Optional. An array of key => value arguments to match against + * the post type objects. Default empty array. + * @param string $output Optional. The type of output to return. Accepts post type 'names' + * or 'objects'. Default 'names'. + * @param string $operator Optional. The logical operation to perform. 'or' means only one + * element from the array needs to match; 'and' means all elements + * must match; 'not' means no elements may match. Default 'and'. + * @return string[]|WP_Post_Type[] An array of post type names or objects. + */ +function get_post_types( $args = array(), $output = 'names', $operator = 'and' ) { + global $wp_post_types; + + $field = ( 'names' === $output ) ? 'name' : false; + + return wp_filter_object_list( $wp_post_types, $args, $operator, $field ); +} + +/** + * Registers a post type. + * + * Note: Post type registrations should not be hooked before the + * {@see 'init'} action. Also, any taxonomy connections should be + * registered via the `$taxonomies` argument to ensure consistency + * when hooks such as {@see 'parse_query'} or {@see 'pre_get_posts'} + * are used. + * + * Post types can support any number of built-in core features such + * as meta boxes, custom fields, post thumbnails, post statuses, + * comments, and more. See the `$supports` argument for a complete + * list of supported features. + * + * @since 2.9.0 + * @since 3.0.0 The `show_ui` argument is now enforced on the new post screen. + * @since 4.4.0 The `show_ui` argument is now enforced on the post type listing + * screen and post editing screen. + * @since 4.6.0 Post type object returned is now an instance of `WP_Post_Type`. + * @since 4.7.0 Introduced `show_in_rest`, `rest_base` and `rest_controller_class` + * arguments to register the post type in REST API. + * @since 5.0.0 The `template` and `template_lock` arguments were added. + * @since 5.3.0 The `supports` argument will now accept an array of arguments for a feature. + * @since 5.9.0 The `rest_namespace` argument was added. + * + * @global array $wp_post_types List of post types. + * + * @param string $post_type Post type key. Must not exceed 20 characters and may only contain + * lowercase alphanumeric characters, dashes, and underscores. See sanitize_key(). + * @param array|string $args { + * Array or string of arguments for registering a post type. + * + * @type string $label Name of the post type shown in the menu. Usually plural. + * Default is value of $labels['name']. + * @type string[] $labels An array of labels for this post type. If not set, post + * labels are inherited for non-hierarchical types and page + * labels for hierarchical ones. See get_post_type_labels() for a full + * list of supported labels. + * @type string $description A short descriptive summary of what the post type is. + * Default empty. + * @type bool $public Whether a post type is intended for use publicly either via + * the admin interface or by front-end users. While the default + * settings of $exclude_from_search, $publicly_queryable, $show_ui, + * and $show_in_nav_menus are inherited from $public, each does not + * rely on this relationship and controls a very specific intention. + * Default false. + * @type bool $hierarchical Whether the post type is hierarchical (e.g. page). Default false. + * @type bool $exclude_from_search Whether to exclude posts with this post type from front end search + * results. Default is the opposite value of $public. + * @type bool $publicly_queryable Whether queries can be performed on the front end for the post type + * as part of parse_request(). Endpoints would include: + * * ?post_type={post_type_key} + * * ?{post_type_key}={single_post_slug} + * * ?{post_type_query_var}={single_post_slug} + * If not set, the default is inherited from $public. + * @type bool $show_ui Whether to generate and allow a UI for managing this post type in the + * admin. Default is value of $public. + * @type bool|string $show_in_menu Where to show the post type in the admin menu. To work, $show_ui + * must be true. If true, the post type is shown in its own top level + * menu. If false, no menu is shown. If a string of an existing top + * level menu ('tools.php' or 'edit.php?post_type=page', for example), the + * post type will be placed as a sub-menu of that. + * Default is value of $show_ui. + * @type bool $show_in_nav_menus Makes this post type available for selection in navigation menus. + * Default is value of $public. + * @type bool $show_in_admin_bar Makes this post type available via the admin bar. Default is value + * of $show_in_menu. + * @type bool $show_in_rest Whether to include the post type in the REST API. Set this to true + * for the post type to be available in the block editor. + * @type string $rest_base To change the base URL of REST API route. Default is $post_type. + * @type string $rest_namespace To change the namespace URL of REST API route. Default is wp/v2. + * @type string $rest_controller_class REST API controller class name. Default is 'WP_REST_Posts_Controller'. + * @type string|bool $autosave_rest_controller_class REST API controller class name. Default is 'WP_REST_Autosaves_Controller'. + * @type string|bool $revisions_rest_controller_class REST API controller class name. Default is 'WP_REST_Revisions_Controller'. + * @type bool $late_route_registration A flag to direct the REST API controllers for autosave / revisions should be registered before/after the post type controller. + * @type int $menu_position The position in the menu order the post type should appear. To work, + * $show_in_menu must be true. Default null (at the bottom). + * @type string $menu_icon The URL to the icon to be used for this menu. Pass a base64-encoded + * SVG using a data URI, which will be colored to match the color scheme + * -- this should begin with 'data:image/svg+xml;base64,'. Pass the name + * of a Dashicons helper class to use a font icon, e.g. + * 'dashicons-chart-pie'. Pass 'none' to leave div.wp-menu-image empty + * so an icon can be added via CSS. Defaults to use the posts icon. + * @type string|array $capability_type The string to use to build the read, edit, and delete capabilities. + * May be passed as an array to allow for alternative plurals when using + * this argument as a base to construct the capabilities, e.g. + * array('story', 'stories'). Default 'post'. + * @type string[] $capabilities Array of capabilities for this post type. $capability_type is used + * as a base to construct capabilities by default. + * See get_post_type_capabilities(). + * @type bool $map_meta_cap Whether to use the internal default meta capability handling. + * Default false. + * @type array $supports Core feature(s) the post type supports. Serves as an alias for calling + * add_post_type_support() directly. Core features include 'title', + * 'editor', 'comments', 'revisions', 'trackbacks', 'author', 'excerpt', + * 'page-attributes', 'thumbnail', 'custom-fields', and 'post-formats'. + * Additionally, the 'revisions' feature dictates whether the post type + * will store revisions, and the 'comments' feature dictates whether the + * comments count will show on the edit screen. A feature can also be + * specified as an array of arguments to provide additional information + * about supporting that feature. + * Example: `array( 'my_feature', array( 'field' => 'value' ) )`. + * Default is an array containing 'title' and 'editor'. + * @type callable $register_meta_box_cb Provide a callback function that sets up the meta boxes for the + * edit form. Do remove_meta_box() and add_meta_box() calls in the + * callback. Default null. + * @type string[] $taxonomies An array of taxonomy identifiers that will be registered for the + * post type. Taxonomies can be registered later with register_taxonomy() + * or register_taxonomy_for_object_type(). + * Default empty array. + * @type bool|string $has_archive Whether there should be post type archives, or if a string, the + * archive slug to use. Will generate the proper rewrite rules if + * $rewrite is enabled. Default false. + * @type bool|array $rewrite { + * Triggers the handling of rewrites for this post type. To prevent rewrite, set to false. + * Defaults to true, using $post_type as slug. To specify rewrite rules, an array can be + * passed with any of these keys: + * + * @type string $slug Customize the permastruct slug. Defaults to $post_type key. + * @type bool $with_front Whether the permastruct should be prepended with WP_Rewrite::$front. + * Default true. + * @type bool $feeds Whether the feed permastruct should be built for this post type. + * Default is value of $has_archive. + * @type bool $pages Whether the permastruct should provide for pagination. Default true. + * @type int $ep_mask Endpoint mask to assign. If not specified and permalink_epmask is set, + * inherits from $permalink_epmask. If not specified and permalink_epmask + * is not set, defaults to EP_PERMALINK. + * } + * @type string|bool $query_var Sets the query_var key for this post type. Defaults to $post_type + * key. If false, a post type cannot be loaded at + * ?{query_var}={post_slug}. If specified as a string, the query + * ?{query_var_string}={post_slug} will be valid. + * @type bool $can_export Whether to allow this post type to be exported. Default true. + * @type bool $delete_with_user Whether to delete posts of this type when deleting a user. + * * If true, posts of this type belonging to the user will be moved + * to Trash when the user is deleted. + * * If false, posts of this type belonging to the user will *not* + * be trashed or deleted. + * * If not set (the default), posts are trashed if post type supports + * the 'author' feature. Otherwise posts are not trashed or deleted. + * Default null. + * @type array $template Array of blocks to use as the default initial state for an editor + * session. Each item should be an array containing block name and + * optional attributes. Default empty array. + * @type string|false $template_lock Whether the block template should be locked if $template is set. + * * If set to 'all', the user is unable to insert new blocks, + * move existing blocks and delete blocks. + * * If set to 'insert', the user is able to move existing blocks + * but is unable to insert new blocks and delete blocks. + * Default false. + * @type bool $_builtin FOR INTERNAL USE ONLY! True if this post type is a native or + * "built-in" post_type. Default false. + * @type string $_edit_link FOR INTERNAL USE ONLY! URL segment to use for edit link of + * this post type. Default 'post.php?post=%d'. + * } + * @return WP_Post_Type|WP_Error The registered post type object on success, + * WP_Error object on failure. + */ +function register_post_type( $post_type, $args = array() ) { + global $wp_post_types; + + if ( ! is_array( $wp_post_types ) ) { + $wp_post_types = array(); + } + + // Sanitize post type name. + $post_type = sanitize_key( $post_type ); + + if ( empty( $post_type ) || strlen( $post_type ) > 20 ) { + _doing_it_wrong( __FUNCTION__, __( 'Post type names must be between 1 and 20 characters in length.' ), '4.2.0' ); + return new WP_Error( 'post_type_length_invalid', __( 'Post type names must be between 1 and 20 characters in length.' ) ); + } + + $post_type_object = new WP_Post_Type( $post_type, $args ); + $post_type_object->add_supports(); + $post_type_object->add_rewrite_rules(); + $post_type_object->register_meta_boxes(); + + $wp_post_types[ $post_type ] = $post_type_object; + + $post_type_object->add_hooks(); + $post_type_object->register_taxonomies(); + + /** + * Fires after a post type is registered. + * + * @since 3.3.0 + * @since 4.6.0 Converted the `$post_type` parameter to accept a `WP_Post_Type` object. + * + * @param string $post_type Post type. + * @param WP_Post_Type $post_type_object Arguments used to register the post type. + */ + do_action( 'registered_post_type', $post_type, $post_type_object ); + + /** + * Fires after a specific post type is registered. + * + * The dynamic portion of the filter name, `$post_type`, refers to the post type key. + * + * Possible hook names include: + * + * - `registered_post_type_post` + * - `registered_post_type_page` + * + * @since 6.0.0 + * + * @param string $post_type Post type. + * @param WP_Post_Type $post_type_object Arguments used to register the post type. + */ + do_action( "registered_post_type_{$post_type}", $post_type, $post_type_object ); + + return $post_type_object; +} + +/** + * Unregisters a post type. + * + * Cannot be used to unregister built-in post types. + * + * @since 4.5.0 + * + * @global array $wp_post_types List of post types. + * + * @param string $post_type Post type to unregister. + * @return true|WP_Error True on success, WP_Error on failure or if the post type doesn't exist. + */ +function unregister_post_type( $post_type ) { + global $wp_post_types; + + if ( ! post_type_exists( $post_type ) ) { + return new WP_Error( 'invalid_post_type', __( 'Invalid post type.' ) ); + } + + $post_type_object = get_post_type_object( $post_type ); + + // Do not allow unregistering internal post types. + if ( $post_type_object->_builtin ) { + return new WP_Error( 'invalid_post_type', __( 'Unregistering a built-in post type is not allowed' ) ); + } + + $post_type_object->remove_supports(); + $post_type_object->remove_rewrite_rules(); + $post_type_object->unregister_meta_boxes(); + $post_type_object->remove_hooks(); + $post_type_object->unregister_taxonomies(); + + unset( $wp_post_types[ $post_type ] ); + + /** + * Fires after a post type was unregistered. + * + * @since 4.5.0 + * + * @param string $post_type Post type key. + */ + do_action( 'unregistered_post_type', $post_type ); + + return true; +} + +/** + * Builds an object with all post type capabilities out of a post type object + * + * Post type capabilities use the 'capability_type' argument as a base, if the + * capability is not set in the 'capabilities' argument array or if the + * 'capabilities' argument is not supplied. + * + * The capability_type argument can optionally be registered as an array, with + * the first value being singular and the second plural, e.g. array('story, 'stories') + * Otherwise, an 's' will be added to the value for the plural form. After + * registration, capability_type will always be a string of the singular value. + * + * By default, eight keys are accepted as part of the capabilities array: + * + * - edit_post, read_post, and delete_post are meta capabilities, which are then + * generally mapped to corresponding primitive capabilities depending on the + * context, which would be the post being edited/read/deleted and the user or + * role being checked. Thus these capabilities would generally not be granted + * directly to users or roles. + * + * - edit_posts - Controls whether objects of this post type can be edited. + * - edit_others_posts - Controls whether objects of this type owned by other users + * can be edited. If the post type does not support an author, then this will + * behave like edit_posts. + * - delete_posts - Controls whether objects of this post type can be deleted. + * - publish_posts - Controls publishing objects of this post type. + * - read_private_posts - Controls whether private objects can be read. + * + * These five primitive capabilities are checked in core in various locations. + * There are also six other primitive capabilities which are not referenced + * directly in core, except in map_meta_cap(), which takes the three aforementioned + * meta capabilities and translates them into one or more primitive capabilities + * that must then be checked against the user or role, depending on the context. + * + * - read - Controls whether objects of this post type can be read. + * - delete_private_posts - Controls whether private objects can be deleted. + * - delete_published_posts - Controls whether published objects can be deleted. + * - delete_others_posts - Controls whether objects owned by other users can be + * can be deleted. If the post type does not support an author, then this will + * behave like delete_posts. + * - edit_private_posts - Controls whether private objects can be edited. + * - edit_published_posts - Controls whether published objects can be edited. + * + * These additional capabilities are only used in map_meta_cap(). Thus, they are + * only assigned by default if the post type is registered with the 'map_meta_cap' + * argument set to true (default is false). + * + * @since 3.0.0 + * @since 5.4.0 'delete_posts' is included in default capabilities. + * + * @see register_post_type() + * @see map_meta_cap() + * + * @param object $args Post type registration arguments. + * @return object Object with all the capabilities as member variables. + */ +function get_post_type_capabilities( $args ) { + if ( ! is_array( $args->capability_type ) ) { + $args->capability_type = array( $args->capability_type, $args->capability_type . 's' ); + } + + // Singular base for meta capabilities, plural base for primitive capabilities. + list( $singular_base, $plural_base ) = $args->capability_type; + + $default_capabilities = array( + // Meta capabilities. + 'edit_post' => 'edit_' . $singular_base, + 'read_post' => 'read_' . $singular_base, + 'delete_post' => 'delete_' . $singular_base, + // Primitive capabilities used outside of map_meta_cap(): + 'edit_posts' => 'edit_' . $plural_base, + 'edit_others_posts' => 'edit_others_' . $plural_base, + 'delete_posts' => 'delete_' . $plural_base, + 'publish_posts' => 'publish_' . $plural_base, + 'read_private_posts' => 'read_private_' . $plural_base, + ); + + // Primitive capabilities used within map_meta_cap(): + if ( $args->map_meta_cap ) { + $default_capabilities_for_mapping = array( + 'read' => 'read', + 'delete_private_posts' => 'delete_private_' . $plural_base, + 'delete_published_posts' => 'delete_published_' . $plural_base, + 'delete_others_posts' => 'delete_others_' . $plural_base, + 'edit_private_posts' => 'edit_private_' . $plural_base, + 'edit_published_posts' => 'edit_published_' . $plural_base, + ); + $default_capabilities = array_merge( $default_capabilities, $default_capabilities_for_mapping ); + } + + $capabilities = array_merge( $default_capabilities, $args->capabilities ); + + // Post creation capability simply maps to edit_posts by default: + if ( ! isset( $capabilities['create_posts'] ) ) { + $capabilities['create_posts'] = $capabilities['edit_posts']; + } + + // Remember meta capabilities for future reference. + if ( $args->map_meta_cap ) { + _post_type_meta_capabilities( $capabilities ); + } + + return (object) $capabilities; +} + +/** + * Stores or returns a list of post type meta caps for map_meta_cap(). + * + * @since 3.1.0 + * @access private + * + * @global array $post_type_meta_caps Used to store meta capabilities. + * + * @param string[] $capabilities Post type meta capabilities. + */ +function _post_type_meta_capabilities( $capabilities = null ) { + global $post_type_meta_caps; + + foreach ( $capabilities as $core => $custom ) { + if ( in_array( $core, array( 'read_post', 'delete_post', 'edit_post' ), true ) ) { + $post_type_meta_caps[ $custom ] = $core; + } + } +} + +/** + * Builds an object with all post type labels out of a post type object. + * + * Accepted keys of the label array in the post type object: + * + * - `name` - General name for the post type, usually plural. The same and overridden + * by `$post_type_object->label`. Default is 'Posts' / 'Pages'. + * - `singular_name` - Name for one object of this post type. Default is 'Post' / 'Page'. + * - `add_new` - Label for adding a new item. Default is 'Add New Post' / 'Add New Page'. + * - `add_new_item` - Label for adding a new singular item. Default is 'Add New Post' / 'Add New Page'. + * - `edit_item` - Label for editing a singular item. Default is 'Edit Post' / 'Edit Page'. + * - `new_item` - Label for the new item page title. Default is 'New Post' / 'New Page'. + * - `view_item` - Label for viewing a singular item. Default is 'View Post' / 'View Page'. + * - `view_items` - Label for viewing post type archives. Default is 'View Posts' / 'View Pages'. + * - `search_items` - Label for searching plural items. Default is 'Search Posts' / 'Search Pages'. + * - `not_found` - Label used when no items are found. Default is 'No posts found' / 'No pages found'. + * - `not_found_in_trash` - Label used when no items are in the Trash. Default is 'No posts found in Trash' / + * 'No pages found in Trash'. + * - `parent_item_colon` - Label used to prefix parents of hierarchical items. Not used on non-hierarchical + * post types. Default is 'Parent Page:'. + * - `all_items` - Label to signify all items in a submenu link. Default is 'All Posts' / 'All Pages'. + * - `archives` - Label for archives in nav menus. Default is 'Post Archives' / 'Page Archives'. + * - `attributes` - Label for the attributes meta box. Default is 'Post Attributes' / 'Page Attributes'. + * - `insert_into_item` - Label for the media frame button. Default is 'Insert into post' / 'Insert into page'. + * - `uploaded_to_this_item` - Label for the media frame filter. Default is 'Uploaded to this post' / + * 'Uploaded to this page'. + * - `featured_image` - Label for the featured image meta box title. Default is 'Featured image'. + * - `set_featured_image` - Label for setting the featured image. Default is 'Set featured image'. + * - `remove_featured_image` - Label for removing the featured image. Default is 'Remove featured image'. + * - `use_featured_image` - Label in the media frame for using a featured image. Default is 'Use as featured image'. + * - `menu_name` - Label for the menu name. Default is the same as `name`. + * - `filter_items_list` - Label for the table views hidden heading. Default is 'Filter posts list' / + * 'Filter pages list'. + * - `filter_by_date` - Label for the date filter in list tables. Default is 'Filter by date'. + * - `items_list_navigation` - Label for the table pagination hidden heading. Default is 'Posts list navigation' / + * 'Pages list navigation'. + * - `items_list` - Label for the table hidden heading. Default is 'Posts list' / 'Pages list'. + * - `item_published` - Label used when an item is published. Default is 'Post published.' / 'Page published.' + * - `item_published_privately` - Label used when an item is published with private visibility. + * Default is 'Post published privately.' / 'Page published privately.' + * - `item_reverted_to_draft` - Label used when an item is switched to a draft. + * Default is 'Post reverted to draft.' / 'Page reverted to draft.' + * - `item_trashed` - Label used when an item is moved to Trash. Default is 'Post trashed.' / 'Page trashed.' + * - `item_scheduled` - Label used when an item is scheduled for publishing. Default is 'Post scheduled.' / + * 'Page scheduled.' + * - `item_updated` - Label used when an item is updated. Default is 'Post updated.' / 'Page updated.' + * - `item_link` - Title for a navigation link block variation. Default is 'Post Link' / 'Page Link'. + * - `item_link_description` - Description for a navigation link block variation. Default is 'A link to a post.' / + * 'A link to a page.' + * + * Above, the first default value is for non-hierarchical post types (like posts) + * and the second one is for hierarchical post types (like pages). + * + * Note: To set labels used in post type admin notices, see the {@see 'post_updated_messages'} filter. + * + * @since 3.0.0 + * @since 4.3.0 Added the `featured_image`, `set_featured_image`, `remove_featured_image`, + * and `use_featured_image` labels. + * @since 4.4.0 Added the `archives`, `insert_into_item`, `uploaded_to_this_item`, `filter_items_list`, + * `items_list_navigation`, and `items_list` labels. + * @since 4.6.0 Converted the `$post_type` parameter to accept a `WP_Post_Type` object. + * @since 4.7.0 Added the `view_items` and `attributes` labels. + * @since 5.0.0 Added the `item_published`, `item_published_privately`, `item_reverted_to_draft`, + * `item_scheduled`, and `item_updated` labels. + * @since 5.7.0 Added the `filter_by_date` label. + * @since 5.8.0 Added the `item_link` and `item_link_description` labels. + * @since 6.3.0 Added the `item_trashed` label. + * @since 6.4.0 Changed default values for the `add_new` label to include the type of content. + * This matches `add_new_item` and provides more context for better accessibility. + * + * @access private + * + * @param object|WP_Post_Type $post_type_object Post type object. + * @return object Object with all the labels as member variables. + */ +function get_post_type_labels( $post_type_object ) { + $nohier_vs_hier_defaults = WP_Post_Type::get_default_labels(); + + $nohier_vs_hier_defaults['menu_name'] = $nohier_vs_hier_defaults['name']; + + $labels = _get_custom_object_labels( $post_type_object, $nohier_vs_hier_defaults ); + + $post_type = $post_type_object->name; + + $default_labels = clone $labels; + + /** + * Filters the labels of a specific post type. + * + * The dynamic portion of the hook name, `$post_type`, refers to + * the post type slug. + * + * Possible hook names include: + * + * - `post_type_labels_post` + * - `post_type_labels_page` + * - `post_type_labels_attachment` + * + * @since 3.5.0 + * + * @see get_post_type_labels() for the full list of labels. + * + * @param object $labels Object with labels for the post type as member variables. + */ + $labels = apply_filters( "post_type_labels_{$post_type}", $labels ); + + // Ensure that the filtered labels contain all required default values. + $labels = (object) array_merge( (array) $default_labels, (array) $labels ); + + return $labels; +} + +/** + * Builds an object with custom-something object (post type, taxonomy) labels + * out of a custom-something object + * + * @since 3.0.0 + * @access private + * + * @param object $data_object A custom-something object. + * @param array $nohier_vs_hier_defaults Hierarchical vs non-hierarchical default labels. + * @return object Object containing labels for the given custom-something object. + */ +function _get_custom_object_labels( $data_object, $nohier_vs_hier_defaults ) { + $data_object->labels = (array) $data_object->labels; + + if ( isset( $data_object->label ) && empty( $data_object->labels['name'] ) ) { + $data_object->labels['name'] = $data_object->label; + } + + if ( ! isset( $data_object->labels['singular_name'] ) && isset( $data_object->labels['name'] ) ) { + $data_object->labels['singular_name'] = $data_object->labels['name']; + } + + if ( ! isset( $data_object->labels['name_admin_bar'] ) ) { + $data_object->labels['name_admin_bar'] = + isset( $data_object->labels['singular_name'] ) + ? $data_object->labels['singular_name'] + : $data_object->name; + } + + if ( ! isset( $data_object->labels['menu_name'] ) && isset( $data_object->labels['name'] ) ) { + $data_object->labels['menu_name'] = $data_object->labels['name']; + } + + if ( ! isset( $data_object->labels['all_items'] ) && isset( $data_object->labels['menu_name'] ) ) { + $data_object->labels['all_items'] = $data_object->labels['menu_name']; + } + + if ( ! isset( $data_object->labels['archives'] ) && isset( $data_object->labels['all_items'] ) ) { + $data_object->labels['archives'] = $data_object->labels['all_items']; + } + + $defaults = array(); + foreach ( $nohier_vs_hier_defaults as $key => $value ) { + $defaults[ $key ] = $data_object->hierarchical ? $value[1] : $value[0]; + } + + $labels = array_merge( $defaults, $data_object->labels ); + $data_object->labels = (object) $data_object->labels; + + return (object) $labels; +} + +/** + * Adds submenus for post types. + * + * @access private + * @since 3.1.0 + */ +function _add_post_type_submenus() { + foreach ( get_post_types( array( 'show_ui' => true ) ) as $ptype ) { + $ptype_obj = get_post_type_object( $ptype ); + // Sub-menus only. + if ( ! $ptype_obj->show_in_menu || true === $ptype_obj->show_in_menu ) { + continue; + } + add_submenu_page( $ptype_obj->show_in_menu, $ptype_obj->labels->name, $ptype_obj->labels->all_items, $ptype_obj->cap->edit_posts, "edit.php?post_type=$ptype" ); + } +} + +/** + * Registers support of certain features for a post type. + * + * All core features are directly associated with a functional area of the edit + * screen, such as the editor or a meta box. Features include: 'title', 'editor', + * 'comments', 'revisions', 'trackbacks', 'author', 'excerpt', 'page-attributes', + * 'thumbnail', 'custom-fields', and 'post-formats'. + * + * Additionally, the 'revisions' feature dictates whether the post type will + * store revisions, and the 'comments' feature dictates whether the comments + * count will show on the edit screen. + * + * A third, optional parameter can also be passed along with a feature to provide + * additional information about supporting that feature. + * + * Example usage: + * + * add_post_type_support( 'my_post_type', 'comments' ); + * add_post_type_support( 'my_post_type', array( + * 'author', 'excerpt', + * ) ); + * add_post_type_support( 'my_post_type', 'my_feature', array( + * 'field' => 'value', + * ) ); + * + * @since 3.0.0 + * @since 5.3.0 Formalized the existing and already documented `...$args` parameter + * by adding it to the function signature. + * + * @global array $_wp_post_type_features + * + * @param string $post_type The post type for which to add the feature. + * @param string|array $feature The feature being added, accepts an array of + * feature strings or a single string. + * @param mixed ...$args Optional extra arguments to pass along with certain features. + */ +function add_post_type_support( $post_type, $feature, ...$args ) { + global $_wp_post_type_features; + + $features = (array) $feature; + foreach ( $features as $feature ) { + if ( $args ) { + $_wp_post_type_features[ $post_type ][ $feature ] = $args; + } else { + $_wp_post_type_features[ $post_type ][ $feature ] = true; + } + } +} + +/** + * Removes support for a feature from a post type. + * + * @since 3.0.0 + * + * @global array $_wp_post_type_features + * + * @param string $post_type The post type for which to remove the feature. + * @param string $feature The feature being removed. + */ +function remove_post_type_support( $post_type, $feature ) { + global $_wp_post_type_features; + + unset( $_wp_post_type_features[ $post_type ][ $feature ] ); +} + +/** + * Gets all the post type features + * + * @since 3.4.0 + * + * @global array $_wp_post_type_features + * + * @param string $post_type The post type. + * @return array Post type supports list. + */ +function get_all_post_type_supports( $post_type ) { + global $_wp_post_type_features; + + if ( isset( $_wp_post_type_features[ $post_type ] ) ) { + return $_wp_post_type_features[ $post_type ]; + } + + return array(); +} + +/** + * Checks a post type's support for a given feature. + * + * @since 3.0.0 + * + * @global array $_wp_post_type_features + * + * @param string $post_type The post type being checked. + * @param string $feature The feature being checked. + * @return bool Whether the post type supports the given feature. + */ +function post_type_supports( $post_type, $feature ) { + global $_wp_post_type_features; + + return ( isset( $_wp_post_type_features[ $post_type ][ $feature ] ) ); +} + +/** + * Retrieves a list of post type names that support a specific feature. + * + * @since 4.5.0 + * + * @global array $_wp_post_type_features Post type features + * + * @param array|string $feature Single feature or an array of features the post types should support. + * @param string $operator Optional. The logical operation to perform. 'or' means + * only one element from the array needs to match; 'and' + * means all elements must match; 'not' means no elements may + * match. Default 'and'. + * @return string[] A list of post type names. + */ +function get_post_types_by_support( $feature, $operator = 'and' ) { + global $_wp_post_type_features; + + $features = array_fill_keys( (array) $feature, true ); + + return array_keys( wp_filter_object_list( $_wp_post_type_features, $features, $operator ) ); +} + +/** + * Updates the post type for the post ID. + * + * The page or post cache will be cleaned for the post ID. + * + * @since 2.5.0 + * + * @global wpdb $wpdb WordPress database abstraction object. + * + * @param int $post_id Optional. Post ID to change post type. Default 0. + * @param string $post_type Optional. Post type. Accepts 'post' or 'page' to + * name a few. Default 'post'. + * @return int|false Amount of rows changed. Should be 1 for success and 0 for failure. + */ +function set_post_type( $post_id = 0, $post_type = 'post' ) { + global $wpdb; + + $post_type = sanitize_post_field( 'post_type', $post_type, $post_id, 'db' ); + $return = $wpdb->update( $wpdb->posts, array( 'post_type' => $post_type ), array( 'ID' => $post_id ) ); + + clean_post_cache( $post_id ); + + return $return; +} + +/** + * Determines whether a post type is considered "viewable". + * + * For built-in post types such as posts and pages, the 'public' value will be evaluated. + * For all others, the 'publicly_queryable' value will be used. + * + * @since 4.4.0 + * @since 4.5.0 Added the ability to pass a post type name in addition to object. + * @since 4.6.0 Converted the `$post_type` parameter to accept a `WP_Post_Type` object. + * @since 5.9.0 Added `is_post_type_viewable` hook to filter the result. + * + * @param string|WP_Post_Type $post_type Post type name or object. + * @return bool Whether the post type should be considered viewable. + */ +function is_post_type_viewable( $post_type ) { + if ( is_scalar( $post_type ) ) { + $post_type = get_post_type_object( $post_type ); + + if ( ! $post_type ) { + return false; + } + } + + if ( ! is_object( $post_type ) ) { + return false; + } + + $is_viewable = $post_type->publicly_queryable || ( $post_type->_builtin && $post_type->public ); + + /** + * Filters whether a post type is considered "viewable". + * + * The returned filtered value must be a boolean type to ensure + * `is_post_type_viewable()` only returns a boolean. This strictness + * is by design to maintain backwards-compatibility and guard against + * potential type errors in PHP 8.1+. Non-boolean values (even falsey + * and truthy values) will result in the function returning false. + * + * @since 5.9.0 + * + * @param bool $is_viewable Whether the post type is "viewable" (strict type). + * @param WP_Post_Type $post_type Post type object. + */ + return true === apply_filters( 'is_post_type_viewable', $is_viewable, $post_type ); +} + +/** + * Determines whether a post status is considered "viewable". + * + * For built-in post statuses such as publish and private, the 'public' value will be evaluated. + * For all others, the 'publicly_queryable' value will be used. + * + * @since 5.7.0 + * @since 5.9.0 Added `is_post_status_viewable` hook to filter the result. + * + * @param string|stdClass $post_status Post status name or object. + * @return bool Whether the post status should be considered viewable. + */ +function is_post_status_viewable( $post_status ) { + if ( is_scalar( $post_status ) ) { + $post_status = get_post_status_object( $post_status ); + + if ( ! $post_status ) { + return false; + } + } + + if ( + ! is_object( $post_status ) || + $post_status->internal || + $post_status->protected + ) { + return false; + } + + $is_viewable = $post_status->publicly_queryable || ( $post_status->_builtin && $post_status->public ); + + /** + * Filters whether a post status is considered "viewable". + * + * The returned filtered value must be a boolean type to ensure + * `is_post_status_viewable()` only returns a boolean. This strictness + * is by design to maintain backwards-compatibility and guard against + * potential type errors in PHP 8.1+. Non-boolean values (even falsey + * and truthy values) will result in the function returning false. + * + * @since 5.9.0 + * + * @param bool $is_viewable Whether the post status is "viewable" (strict type). + * @param stdClass $post_status Post status object. + */ + return true === apply_filters( 'is_post_status_viewable', $is_viewable, $post_status ); +} + +/** + * Determines whether a post is publicly viewable. + * + * Posts are considered publicly viewable if both the post status and post type + * are viewable. + * + * @since 5.7.0 + * + * @param int|WP_Post|null $post Optional. Post ID or post object. Defaults to global $post. + * @return bool Whether the post is publicly viewable. + */ +function is_post_publicly_viewable( $post = null ) { + $post = get_post( $post ); + + if ( ! $post ) { + return false; + } + + $post_type = get_post_type( $post ); + $post_status = get_post_status( $post ); + + return is_post_type_viewable( $post_type ) && is_post_status_viewable( $post_status ); +} + +/** + * Retrieves an array of the latest posts, or posts matching the given criteria. + * + * For more information on the accepted arguments, see the + * {@link https://developer.wordpress.org/reference/classes/wp_query/ + * WP_Query} documentation in the Developer Handbook. + * + * The `$ignore_sticky_posts` and `$no_found_rows` arguments are ignored by + * this function and both are set to `true`. + * + * The defaults are as follows: + * + * @since 1.2.0 + * + * @see WP_Query + * @see WP_Query::parse_query() + * + * @param array $args { + * Optional. Arguments to retrieve posts. See WP_Query::parse_query() for all available arguments. + * + * @type int $numberposts Total number of posts to retrieve. Is an alias of `$posts_per_page` + * in WP_Query. Accepts -1 for all. Default 5. + * @type int|string $category Category ID or comma-separated list of IDs (this or any children). + * Is an alias of `$cat` in WP_Query. Default 0. + * @type int[] $include An array of post IDs to retrieve, sticky posts will be included. + * Is an alias of `$post__in` in WP_Query. Default empty array. + * @type int[] $exclude An array of post IDs not to retrieve. Default empty array. + * @type bool $suppress_filters Whether to suppress filters. Default true. + * } + * @return WP_Post[]|int[] Array of post objects or post IDs. + */ +function get_posts( $args = null ) { + $defaults = array( + 'numberposts' => 5, + 'category' => 0, + 'orderby' => 'date', + 'order' => 'DESC', + 'include' => array(), + 'exclude' => array(), + 'meta_key' => '', + 'meta_value' => '', + 'post_type' => 'post', + 'suppress_filters' => true, + ); + + $parsed_args = wp_parse_args( $args, $defaults ); + if ( empty( $parsed_args['post_status'] ) ) { + $parsed_args['post_status'] = ( 'attachment' === $parsed_args['post_type'] ) ? 'inherit' : 'publish'; + } + if ( ! empty( $parsed_args['numberposts'] ) && empty( $parsed_args['posts_per_page'] ) ) { + $parsed_args['posts_per_page'] = $parsed_args['numberposts']; + } + if ( ! empty( $parsed_args['category'] ) ) { + $parsed_args['cat'] = $parsed_args['category']; + } + if ( ! empty( $parsed_args['include'] ) ) { + $incposts = wp_parse_id_list( $parsed_args['include'] ); + $parsed_args['posts_per_page'] = count( $incposts ); // Only the number of posts included. + $parsed_args['post__in'] = $incposts; + } elseif ( ! empty( $parsed_args['exclude'] ) ) { + $parsed_args['post__not_in'] = wp_parse_id_list( $parsed_args['exclude'] ); + } + + $parsed_args['ignore_sticky_posts'] = true; + $parsed_args['no_found_rows'] = true; + + $get_posts = new WP_Query(); + return $get_posts->query( $parsed_args ); +} + +// +// Post meta functions. +// + +/** + * Adds a meta field to the given post. + * + * Post meta data is called "Custom Fields" on the Administration Screen. + * + * @since 1.5.0 + * + * @param int $post_id Post ID. + * @param string $meta_key Metadata name. + * @param mixed $meta_value Metadata value. Must be serializable if non-scalar. + * @param bool $unique Optional. Whether the same key should not be added. + * Default false. + * @return int|false Meta ID on success, false on failure. + */ +function add_post_meta( $post_id, $meta_key, $meta_value, $unique = false ) { + // Make sure meta is added to the post, not a revision. + $the_post = wp_is_post_revision( $post_id ); + if ( $the_post ) { + $post_id = $the_post; + } + + return add_metadata( 'post', $post_id, $meta_key, $meta_value, $unique ); +} + +/** + * Deletes a post meta field for the given post ID. + * + * You can match based on the key, or key and value. Removing based on key and + * value, will keep from removing duplicate metadata with the same key. It also + * allows removing all metadata matching the key, if needed. + * + * @since 1.5.0 + * + * @param int $post_id Post ID. + * @param string $meta_key Metadata name. + * @param mixed $meta_value Optional. Metadata value. If provided, + * rows will only be removed that match the value. + * Must be serializable if non-scalar. Default empty. + * @return bool True on success, false on failure. + */ +function delete_post_meta( $post_id, $meta_key, $meta_value = '' ) { + // Make sure meta is deleted from the post, not from a revision. + $the_post = wp_is_post_revision( $post_id ); + if ( $the_post ) { + $post_id = $the_post; + } + + return delete_metadata( 'post', $post_id, $meta_key, $meta_value ); +} + +/** + * Retrieves a post meta field for the given post ID. + * + * @since 1.5.0 + * + * @param int $post_id Post ID. + * @param string $key Optional. The meta key to retrieve. By default, + * returns data for all keys. Default empty. + * @param bool $single Optional. Whether to return a single value. + * This parameter has no effect if `$key` is not specified. + * Default false. + * @return mixed An array of values if `$single` is false. + * The value of the meta field if `$single` is true. + * False for an invalid `$post_id` (non-numeric, zero, or negative value). + * An empty string if a valid but non-existing post ID is passed. + */ +function get_post_meta( $post_id, $key = '', $single = false ) { + return get_metadata( 'post', $post_id, $key, $single ); +} + +/** + * Updates a post meta field based on the given post ID. + * + * Use the `$prev_value` parameter to differentiate between meta fields with the + * same key and post ID. + * + * If the meta field for the post does not exist, it will be added and its ID returned. + * + * Can be used in place of add_post_meta(). + * + * @since 1.5.0 + * + * @param int $post_id Post ID. + * @param string $meta_key Metadata key. + * @param mixed $meta_value Metadata value. Must be serializable if non-scalar. + * @param mixed $prev_value Optional. Previous value to check before updating. + * If specified, only update existing metadata entries with + * this value. Otherwise, update all entries. Default empty. + * @return int|bool Meta ID if the key didn't exist, true on successful update, + * false on failure or if the value passed to the function + * is the same as the one that is already in the database. + */ +function update_post_meta( $post_id, $meta_key, $meta_value, $prev_value = '' ) { + // Make sure meta is updated for the post, not for a revision. + $the_post = wp_is_post_revision( $post_id ); + if ( $the_post ) { + $post_id = $the_post; + } + + return update_metadata( 'post', $post_id, $meta_key, $meta_value, $prev_value ); +} + +/** + * Deletes everything from post meta matching the given meta key. + * + * @since 2.3.0 + * + * @param string $post_meta_key Key to search for when deleting. + * @return bool Whether the post meta key was deleted from the database. + */ +function delete_post_meta_by_key( $post_meta_key ) { + return delete_metadata( 'post', null, $post_meta_key, '', true ); +} + +/** + * Registers a meta key for posts. + * + * @since 4.9.8 + * + * @param string $post_type Post type to register a meta key for. Pass an empty string + * to register the meta key across all existing post types. + * @param string $meta_key The meta key to register. + * @param array $args Data used to describe the meta key when registered. See + * {@see register_meta()} for a list of supported arguments. + * @return bool True if the meta key was successfully registered, false if not. + */ +function register_post_meta( $post_type, $meta_key, array $args ) { + $args['object_subtype'] = $post_type; + + return register_meta( 'post', $meta_key, $args ); +} + +/** + * Unregisters a meta key for posts. + * + * @since 4.9.8 + * + * @param string $post_type Post type the meta key is currently registered for. Pass + * an empty string if the meta key is registered across all + * existing post types. + * @param string $meta_key The meta key to unregister. + * @return bool True on success, false if the meta key was not previously registered. + */ +function unregister_post_meta( $post_type, $meta_key ) { + return unregister_meta_key( 'post', $meta_key, $post_type ); +} + +/** + * Retrieves post meta fields, based on post ID. + * + * The post meta fields are retrieved from the cache where possible, + * so the function is optimized to be called more than once. + * + * @since 1.2.0 + * + * @param int $post_id Optional. Post ID. Default is the ID of the global `$post`. + * @return mixed An array of values. + * False for an invalid `$post_id` (non-numeric, zero, or negative value). + * An empty string if a valid but non-existing post ID is passed. + */ +function get_post_custom( $post_id = 0 ) { + $post_id = absint( $post_id ); + + if ( ! $post_id ) { + $post_id = get_the_ID(); + } + + return get_post_meta( $post_id ); +} + +/** + * Retrieves meta field names for a post. + * + * If there are no meta fields, then nothing (null) will be returned. + * + * @since 1.2.0 + * + * @param int $post_id Optional. Post ID. Default is the ID of the global `$post`. + * @return array|void Array of the keys, if retrieved. + */ +function get_post_custom_keys( $post_id = 0 ) { + $custom = get_post_custom( $post_id ); + + if ( ! is_array( $custom ) ) { + return; + } + + $keys = array_keys( $custom ); + if ( $keys ) { + return $keys; + } +} + +/** + * Retrieves values for a custom post field. + * + * The parameters must not be considered optional. All of the post meta fields + * will be retrieved and only the meta field key values returned. + * + * @since 1.2.0 + * + * @param string $key Optional. Meta field key. Default empty. + * @param int $post_id Optional. Post ID. Default is the ID of the global `$post`. + * @return array|null Meta field values. + */ +function get_post_custom_values( $key = '', $post_id = 0 ) { + if ( ! $key ) { + return null; + } + + $custom = get_post_custom( $post_id ); + + return isset( $custom[ $key ] ) ? $custom[ $key ] : null; +} + +/** + * Determines whether a post is sticky. + * + * Sticky posts should remain at the top of The Loop. If the post ID is not + * given, then The Loop ID for the current post will be used. + * + * For more information on this and similar theme functions, check out + * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ + * Conditional Tags} article in the Theme Developer Handbook. + * + * @since 2.7.0 + * + * @param int $post_id Optional. Post ID. Default is the ID of the global `$post`. + * @return bool Whether post is sticky. + */ +function is_sticky( $post_id = 0 ) { + $post_id = absint( $post_id ); + + if ( ! $post_id ) { + $post_id = get_the_ID(); + } + + $stickies = get_option( 'sticky_posts' ); + + if ( is_array( $stickies ) ) { + $stickies = array_map( 'intval', $stickies ); + $is_sticky = in_array( $post_id, $stickies, true ); + } else { + $is_sticky = false; + } + + /** + * Filters whether a post is sticky. + * + * @since 5.3.0 + * + * @param bool $is_sticky Whether a post is sticky. + * @param int $post_id Post ID. + */ + return apply_filters( 'is_sticky', $is_sticky, $post_id ); +} + +/** + * Sanitizes every post field. + * + * If the context is 'raw', then the post object or array will get minimal + * sanitization of the integer fields. + * + * @since 2.3.0 + * + * @see sanitize_post_field() + * + * @param object|WP_Post|array $post The post object or array + * @param string $context Optional. How to sanitize post fields. + * Accepts 'raw', 'edit', 'db', 'display', + * 'attribute', or 'js'. Default 'display'. + * @return object|WP_Post|array The now sanitized post object or array (will be the + * same type as `$post`). + */ +function sanitize_post( $post, $context = 'display' ) { + if ( is_object( $post ) ) { + // Check if post already filtered for this context. + if ( isset( $post->filter ) && $context == $post->filter ) { + return $post; + } + if ( ! isset( $post->ID ) ) { + $post->ID = 0; + } + foreach ( array_keys( get_object_vars( $post ) ) as $field ) { + $post->$field = sanitize_post_field( $field, $post->$field, $post->ID, $context ); + } + $post->filter = $context; + } elseif ( is_array( $post ) ) { + // Check if post already filtered for this context. + if ( isset( $post['filter'] ) && $context == $post['filter'] ) { + return $post; + } + if ( ! isset( $post['ID'] ) ) { + $post['ID'] = 0; + } + foreach ( array_keys( $post ) as $field ) { + $post[ $field ] = sanitize_post_field( $field, $post[ $field ], $post['ID'], $context ); + } + $post['filter'] = $context; + } + return $post; +} + +/** + * Sanitizes a post field based on context. + * + * Possible context values are: 'raw', 'edit', 'db', 'display', 'attribute' and + * 'js'. The 'display' context is used by default. 'attribute' and 'js' contexts + * are treated like 'display' when calling filters. + * + * @since 2.3.0 + * @since 4.4.0 Like `sanitize_post()`, `$context` defaults to 'display'. + * + * @param string $field The Post Object field name. + * @param mixed $value The Post Object value. + * @param int $post_id Post ID. + * @param string $context Optional. How to sanitize the field. Possible values are 'raw', 'edit', + * 'db', 'display', 'attribute' and 'js'. Default 'display'. + * @return mixed Sanitized value. + */ +function sanitize_post_field( $field, $value, $post_id, $context = 'display' ) { + $int_fields = array( 'ID', 'post_parent', 'menu_order' ); + if ( in_array( $field, $int_fields, true ) ) { + $value = (int) $value; + } + + // Fields which contain arrays of integers. + $array_int_fields = array( 'ancestors' ); + if ( in_array( $field, $array_int_fields, true ) ) { + $value = array_map( 'absint', $value ); + return $value; + } + + if ( 'raw' === $context ) { + return $value; + } + + $prefixed = false; + if ( str_contains( $field, 'post_' ) ) { + $prefixed = true; + $field_no_prefix = str_replace( 'post_', '', $field ); + } + + if ( 'edit' === $context ) { + $format_to_edit = array( 'post_content', 'post_excerpt', 'post_title', 'post_password' ); + + if ( $prefixed ) { + + /** + * Filters the value of a specific post field to edit. + * + * The dynamic portion of the hook name, `$field`, refers to the post + * field name. + * + * @since 2.3.0 + * + * @param mixed $value Value of the post field. + * @param int $post_id Post ID. + */ + $value = apply_filters( "edit_{$field}", $value, $post_id ); + + /** + * Filters the value of a specific post field to edit. + * + * The dynamic portion of the hook name, `$field_no_prefix`, refers to + * the post field name. + * + * @since 2.3.0 + * + * @param mixed $value Value of the post field. + * @param int $post_id Post ID. + */ + $value = apply_filters( "{$field_no_prefix}_edit_pre", $value, $post_id ); + } else { + $value = apply_filters( "edit_post_{$field}", $value, $post_id ); + } + + if ( in_array( $field, $format_to_edit, true ) ) { + if ( 'post_content' === $field ) { + $value = format_to_edit( $value, user_can_richedit() ); + } else { + $value = format_to_edit( $value ); + } + } else { + $value = esc_attr( $value ); + } + } elseif ( 'db' === $context ) { + if ( $prefixed ) { + + /** + * Filters the value of a specific post field before saving. + * + * The dynamic portion of the hook name, `$field`, refers to the post + * field name. + * + * @since 2.3.0 + * + * @param mixed $value Value of the post field. + */ + $value = apply_filters( "pre_{$field}", $value ); + + /** + * Filters the value of a specific field before saving. + * + * The dynamic portion of the hook name, `$field_no_prefix`, refers + * to the post field name. + * + * @since 2.3.0 + * + * @param mixed $value Value of the post field. + */ + $value = apply_filters( "{$field_no_prefix}_save_pre", $value ); + } else { + $value = apply_filters( "pre_post_{$field}", $value ); + + /** + * Filters the value of a specific post field before saving. + * + * The dynamic portion of the hook name, `$field`, refers to the post + * field name. + * + * @since 2.3.0 + * + * @param mixed $value Value of the post field. + */ + $value = apply_filters( "{$field}_pre", $value ); + } + } else { + + // Use display filters by default. + if ( $prefixed ) { + + /** + * Filters the value of a specific post field for display. + * + * The dynamic portion of the hook name, `$field`, refers to the post + * field name. + * + * @since 2.3.0 + * + * @param mixed $value Value of the prefixed post field. + * @param int $post_id Post ID. + * @param string $context Context for how to sanitize the field. + * Accepts 'raw', 'edit', 'db', 'display', + * 'attribute', or 'js'. Default 'display'. + */ + $value = apply_filters( "{$field}", $value, $post_id, $context ); + } else { + $value = apply_filters( "post_{$field}", $value, $post_id, $context ); + } + + if ( 'attribute' === $context ) { + $value = esc_attr( $value ); + } elseif ( 'js' === $context ) { + $value = esc_js( $value ); + } + } + + // Restore the type for integer fields after esc_attr(). + if ( in_array( $field, $int_fields, true ) ) { + $value = (int) $value; + } + + return $value; +} + +/** + * Makes a post sticky. + * + * Sticky posts should be displayed at the top of the front page. + * + * @since 2.7.0 + * + * @param int $post_id Post ID. + */ +function stick_post( $post_id ) { + $post_id = (int) $post_id; + $stickies = get_option( 'sticky_posts' ); + $updated = false; + + if ( ! is_array( $stickies ) ) { + $stickies = array(); + } else { + $stickies = array_unique( array_map( 'intval', $stickies ) ); + } + + if ( ! in_array( $post_id, $stickies, true ) ) { + $stickies[] = $post_id; + $updated = update_option( 'sticky_posts', array_values( $stickies ) ); + } + + if ( $updated ) { + /** + * Fires once a post has been added to the sticky list. + * + * @since 4.6.0 + * + * @param int $post_id ID of the post that was stuck. + */ + do_action( 'post_stuck', $post_id ); + } +} + +/** + * Un-sticks a post. + * + * Sticky posts should be displayed at the top of the front page. + * + * @since 2.7.0 + * + * @param int $post_id Post ID. + */ +function unstick_post( $post_id ) { + $post_id = (int) $post_id; + $stickies = get_option( 'sticky_posts' ); + + if ( ! is_array( $stickies ) ) { + return; + } + + $stickies = array_values( array_unique( array_map( 'intval', $stickies ) ) ); + + if ( ! in_array( $post_id, $stickies, true ) ) { + return; + } + + $offset = array_search( $post_id, $stickies, true ); + if ( false === $offset ) { + return; + } + + array_splice( $stickies, $offset, 1 ); + + $updated = update_option( 'sticky_posts', $stickies ); + + if ( $updated ) { + /** + * Fires once a post has been removed from the sticky list. + * + * @since 4.6.0 + * + * @param int $post_id ID of the post that was unstuck. + */ + do_action( 'post_unstuck', $post_id ); + } +} + +/** + * Returns the cache key for wp_count_posts() based on the passed arguments. + * + * @since 3.9.0 + * @access private + * + * @param string $type Optional. Post type to retrieve count Default 'post'. + * @param string $perm Optional. 'readable' or empty. Default empty. + * @return string The cache key. + */ +function _count_posts_cache_key( $type = 'post', $perm = '' ) { + $cache_key = 'posts-' . $type; + + if ( 'readable' === $perm && is_user_logged_in() ) { + $post_type_object = get_post_type_object( $type ); + + if ( $post_type_object && ! current_user_can( $post_type_object->cap->read_private_posts ) ) { + $cache_key .= '_' . $perm . '_' . get_current_user_id(); + } + } + + return $cache_key; +} + +/** + * Counts number of posts of a post type and if user has permissions to view. + * + * This function provides an efficient method of finding the amount of post's + * type a blog has. Another method is to count the amount of items in + * get_posts(), but that method has a lot of overhead with doing so. Therefore, + * when developing for 2.5+, use this function instead. + * + * The $perm parameter checks for 'readable' value and if the user can read + * private posts, it will display that for the user that is signed in. + * + * @since 2.5.0 + * + * @global wpdb $wpdb WordPress database abstraction object. + * + * @param string $type Optional. Post type to retrieve count. Default 'post'. + * @param string $perm Optional. 'readable' or empty. Default empty. + * @return stdClass An object containing the number of posts for each status, + * or an empty object if the post type does not exist. + */ +function wp_count_posts( $type = 'post', $perm = '' ) { + global $wpdb; + + if ( ! post_type_exists( $type ) ) { + return new stdClass(); + } + + $cache_key = _count_posts_cache_key( $type, $perm ); + + $counts = wp_cache_get( $cache_key, 'counts' ); + if ( false !== $counts ) { + // We may have cached this before every status was registered. + foreach ( get_post_stati() as $status ) { + if ( ! isset( $counts->{$status} ) ) { + $counts->{$status} = 0; + } + } + + /** This filter is documented in wp-includes/post.php */ + return apply_filters( 'wp_count_posts', $counts, $type, $perm ); + } + + $query = "SELECT post_status, COUNT( * ) AS num_posts FROM {$wpdb->posts} WHERE post_type = %s"; + + if ( 'readable' === $perm && is_user_logged_in() ) { + $post_type_object = get_post_type_object( $type ); + if ( ! current_user_can( $post_type_object->cap->read_private_posts ) ) { + $query .= $wpdb->prepare( + " AND (post_status != 'private' OR ( post_author = %d AND post_status = 'private' ))", + get_current_user_id() + ); + } + } + + $query .= ' GROUP BY post_status'; + + $results = (array) $wpdb->get_results( $wpdb->prepare( $query, $type ), ARRAY_A ); + $counts = array_fill_keys( get_post_stati(), 0 ); + + foreach ( $results as $row ) { + $counts[ $row['post_status'] ] = $row['num_posts']; + } + + $counts = (object) $counts; + wp_cache_set( $cache_key, $counts, 'counts' ); + + /** + * Filters the post counts by status for the current post type. + * + * @since 3.7.0 + * + * @param stdClass $counts An object containing the current post_type's post + * counts by status. + * @param string $type Post type. + * @param string $perm The permission to determine if the posts are 'readable' + * by the current user. + */ + return apply_filters( 'wp_count_posts', $counts, $type, $perm ); +} + +/** + * Counts number of attachments for the mime type(s). + * + * If you set the optional mime_type parameter, then an array will still be + * returned, but will only have the item you are looking for. It does not give + * you the number of attachments that are children of a post. You can get that + * by counting the number of children that post has. + * + * @since 2.5.0 + * + * @global wpdb $wpdb WordPress database abstraction object. + * + * @param string|string[] $mime_type Optional. Array or comma-separated list of + * MIME patterns. Default empty. + * @return stdClass An object containing the attachment counts by mime type. + */ +function wp_count_attachments( $mime_type = '' ) { + global $wpdb; + + $cache_key = sprintf( + 'attachments%s', + ! empty( $mime_type ) ? ':' . str_replace( '/', '_', implode( '-', (array) $mime_type ) ) : '' + ); + + $counts = wp_cache_get( $cache_key, 'counts' ); + if ( false == $counts ) { + $and = wp_post_mime_type_where( $mime_type ); + $count = $wpdb->get_results( "SELECT post_mime_type, COUNT( * ) AS num_posts FROM $wpdb->posts WHERE post_type = 'attachment' AND post_status != 'trash' $and GROUP BY post_mime_type", ARRAY_A ); + + $counts = array(); + foreach ( (array) $count as $row ) { + $counts[ $row['post_mime_type'] ] = $row['num_posts']; + } + $counts['trash'] = $wpdb->get_var( "SELECT COUNT( * ) FROM $wpdb->posts WHERE post_type = 'attachment' AND post_status = 'trash' $and" ); + + wp_cache_set( $cache_key, (object) $counts, 'counts' ); + } + + /** + * Filters the attachment counts by mime type. + * + * @since 3.7.0 + * + * @param stdClass $counts An object containing the attachment counts by + * mime type. + * @param string|string[] $mime_type Array or comma-separated list of MIME patterns. + */ + return apply_filters( 'wp_count_attachments', (object) $counts, $mime_type ); +} + +/** + * Gets default post mime types. + * + * @since 2.9.0 + * @since 5.3.0 Added the 'Documents', 'Spreadsheets', and 'Archives' mime type groups. + * + * @return array List of post mime types. + */ +function get_post_mime_types() { + $post_mime_types = array( // array( adj, noun ) + 'image' => array( + __( 'Images' ), + __( 'Manage Images' ), + /* translators: %s: Number of images. */ + _n_noop( + 'Image <span class="count">(%s)</span>', + 'Images <span class="count">(%s)</span>' + ), + ), + 'audio' => array( + _x( 'Audio', 'file type group' ), + __( 'Manage Audio' ), + /* translators: %s: Number of audio files. */ + _n_noop( + 'Audio <span class="count">(%s)</span>', + 'Audio <span class="count">(%s)</span>' + ), + ), + 'video' => array( + _x( 'Video', 'file type group' ), + __( 'Manage Video' ), + /* translators: %s: Number of video files. */ + _n_noop( + 'Video <span class="count">(%s)</span>', + 'Video <span class="count">(%s)</span>' + ), + ), + 'document' => array( + __( 'Documents' ), + __( 'Manage Documents' ), + /* translators: %s: Number of documents. */ + _n_noop( + 'Document <span class="count">(%s)</span>', + 'Documents <span class="count">(%s)</span>' + ), + ), + 'spreadsheet' => array( + __( 'Spreadsheets' ), + __( 'Manage Spreadsheets' ), + /* translators: %s: Number of spreadsheets. */ + _n_noop( + 'Spreadsheet <span class="count">(%s)</span>', + 'Spreadsheets <span class="count">(%s)</span>' + ), + ), + 'archive' => array( + _x( 'Archives', 'file type group' ), + __( 'Manage Archives' ), + /* translators: %s: Number of archives. */ + _n_noop( + 'Archive <span class="count">(%s)</span>', + 'Archives <span class="count">(%s)</span>' + ), + ), + ); + + $ext_types = wp_get_ext_types(); + $mime_types = wp_get_mime_types(); + + foreach ( $post_mime_types as $group => $labels ) { + if ( in_array( $group, array( 'image', 'audio', 'video' ), true ) ) { + continue; + } + + if ( ! isset( $ext_types[ $group ] ) ) { + unset( $post_mime_types[ $group ] ); + continue; + } + + $group_mime_types = array(); + foreach ( $ext_types[ $group ] as $extension ) { + foreach ( $mime_types as $exts => $mime ) { + if ( preg_match( '!^(' . $exts . ')$!i', $extension ) ) { + $group_mime_types[] = $mime; + break; + } + } + } + $group_mime_types = implode( ',', array_unique( $group_mime_types ) ); + + $post_mime_types[ $group_mime_types ] = $labels; + unset( $post_mime_types[ $group ] ); + } + + /** + * Filters the default list of post mime types. + * + * @since 2.5.0 + * + * @param array $post_mime_types Default list of post mime types. + */ + return apply_filters( 'post_mime_types', $post_mime_types ); +} + +/** + * Checks a MIME-Type against a list. + * + * If the `$wildcard_mime_types` parameter is a string, it must be comma separated + * list. If the `$real_mime_types` is a string, it is also comma separated to + * create the list. + * + * @since 2.5.0 + * + * @param string|string[] $wildcard_mime_types Mime types, e.g. `audio/mpeg`, `image` (same as `image/*`), + * or `flash` (same as `*flash*`). + * @param string|string[] $real_mime_types Real post mime type values. + * @return array array(wildcard=>array(real types)). + */ +function wp_match_mime_types( $wildcard_mime_types, $real_mime_types ) { + $matches = array(); + if ( is_string( $wildcard_mime_types ) ) { + $wildcard_mime_types = array_map( 'trim', explode( ',', $wildcard_mime_types ) ); + } + if ( is_string( $real_mime_types ) ) { + $real_mime_types = array_map( 'trim', explode( ',', $real_mime_types ) ); + } + + $patternses = array(); + $wild = '[-._a-z0-9]*'; + + foreach ( (array) $wildcard_mime_types as $type ) { + $mimes = array_map( 'trim', explode( ',', $type ) ); + foreach ( $mimes as $mime ) { + $regex = str_replace( '__wildcard__', $wild, preg_quote( str_replace( '*', '__wildcard__', $mime ) ) ); + + $patternses[][ $type ] = "^$regex$"; + + if ( ! str_contains( $mime, '/' ) ) { + $patternses[][ $type ] = "^$regex/"; + $patternses[][ $type ] = $regex; + } + } + } + asort( $patternses ); + + foreach ( $patternses as $patterns ) { + foreach ( $patterns as $type => $pattern ) { + foreach ( (array) $real_mime_types as $real ) { + if ( preg_match( "#$pattern#", $real ) + && ( empty( $matches[ $type ] ) || false === array_search( $real, $matches[ $type ], true ) ) + ) { + $matches[ $type ][] = $real; + } + } + } + } + + return $matches; +} + +/** + * Converts MIME types into SQL. + * + * @since 2.5.0 + * + * @param string|string[] $post_mime_types List of mime types or comma separated string + * of mime types. + * @param string $table_alias Optional. Specify a table alias, if needed. + * Default empty. + * @return string The SQL AND clause for mime searching. + */ +function wp_post_mime_type_where( $post_mime_types, $table_alias = '' ) { + $where = ''; + $wildcards = array( '', '%', '%/%' ); + if ( is_string( $post_mime_types ) ) { + $post_mime_types = array_map( 'trim', explode( ',', $post_mime_types ) ); + } + + $wheres = array(); + + foreach ( (array) $post_mime_types as $mime_type ) { + $mime_type = preg_replace( '/\s/', '', $mime_type ); + $slashpos = strpos( $mime_type, '/' ); + if ( false !== $slashpos ) { + $mime_group = preg_replace( '/[^-*.a-zA-Z0-9]/', '', substr( $mime_type, 0, $slashpos ) ); + $mime_subgroup = preg_replace( '/[^-*.+a-zA-Z0-9]/', '', substr( $mime_type, $slashpos + 1 ) ); + if ( empty( $mime_subgroup ) ) { + $mime_subgroup = '*'; + } else { + $mime_subgroup = str_replace( '/', '', $mime_subgroup ); + } + $mime_pattern = "$mime_group/$mime_subgroup"; + } else { + $mime_pattern = preg_replace( '/[^-*.a-zA-Z0-9]/', '', $mime_type ); + if ( ! str_contains( $mime_pattern, '*' ) ) { + $mime_pattern .= '/*'; + } + } + + $mime_pattern = preg_replace( '/\*+/', '%', $mime_pattern ); + + if ( in_array( $mime_type, $wildcards, true ) ) { + return ''; + } + + if ( str_contains( $mime_pattern, '%' ) ) { + $wheres[] = empty( $table_alias ) ? "post_mime_type LIKE '$mime_pattern'" : "$table_alias.post_mime_type LIKE '$mime_pattern'"; + } else { + $wheres[] = empty( $table_alias ) ? "post_mime_type = '$mime_pattern'" : "$table_alias.post_mime_type = '$mime_pattern'"; + } + } + + if ( ! empty( $wheres ) ) { + $where = ' AND (' . implode( ' OR ', $wheres ) . ') '; + } + + return $where; +} + +/** + * Trashes or deletes a post or page. + * + * When the post and page is permanently deleted, everything that is tied to + * it is deleted also. This includes comments, post meta fields, and terms + * associated with the post. + * + * The post or page is moved to Trash instead of permanently deleted unless + * Trash is disabled, item is already in the Trash, or $force_delete is true. + * + * @since 1.0.0 + * + * @global wpdb $wpdb WordPress database abstraction object. + * @see wp_delete_attachment() + * @see wp_trash_post() + * + * @param int $postid Optional. Post ID. Default 0. + * @param bool $force_delete Optional. Whether to bypass Trash and force deletion. + * Default false. + * @return WP_Post|false|null Post data on success, false or null on failure. + */ +function wp_delete_post( $postid = 0, $force_delete = false ) { + global $wpdb; + + $post = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->posts WHERE ID = %d", $postid ) ); + + if ( ! $post ) { + return $post; + } + + $post = get_post( $post ); + + if ( ! $force_delete && ( 'post' === $post->post_type || 'page' === $post->post_type ) && 'trash' !== get_post_status( $postid ) && EMPTY_TRASH_DAYS ) { + return wp_trash_post( $postid ); + } + + if ( 'attachment' === $post->post_type ) { + return wp_delete_attachment( $postid, $force_delete ); + } + + /** + * Filters whether a post deletion should take place. + * + * @since 4.4.0 + * + * @param WP_Post|false|null $delete Whether to go forward with deletion. + * @param WP_Post $post Post object. + * @param bool $force_delete Whether to bypass the Trash. + */ + $check = apply_filters( 'pre_delete_post', null, $post, $force_delete ); + if ( null !== $check ) { + return $check; + } + + /** + * Fires before a post is deleted, at the start of wp_delete_post(). + * + * @since 3.2.0 + * @since 5.5.0 Added the `$post` parameter. + * + * @see wp_delete_post() + * + * @param int $postid Post ID. + * @param WP_Post $post Post object. + */ + do_action( 'before_delete_post', $postid, $post ); + + delete_post_meta( $postid, '_wp_trash_meta_status' ); + delete_post_meta( $postid, '_wp_trash_meta_time' ); + + wp_delete_object_term_relationships( $postid, get_object_taxonomies( $post->post_type ) ); + + $parent_data = array( 'post_parent' => $post->post_parent ); + $parent_where = array( 'post_parent' => $postid ); + + if ( is_post_type_hierarchical( $post->post_type ) ) { + // Point children of this page to its parent, also clean the cache of affected children. + $children_query = $wpdb->prepare( "SELECT * FROM $wpdb->posts WHERE post_parent = %d AND post_type = %s", $postid, $post->post_type ); + $children = $wpdb->get_results( $children_query ); + if ( $children ) { + $wpdb->update( $wpdb->posts, $parent_data, $parent_where + array( 'post_type' => $post->post_type ) ); + } + } + + // Do raw query. wp_get_post_revisions() is filtered. + $revision_ids = $wpdb->get_col( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_parent = %d AND post_type = 'revision'", $postid ) ); + // Use wp_delete_post (via wp_delete_post_revision) again. Ensures any meta/misplaced data gets cleaned up. + foreach ( $revision_ids as $revision_id ) { + wp_delete_post_revision( $revision_id ); + } + + // Point all attachments to this post up one level. + $wpdb->update( $wpdb->posts, $parent_data, $parent_where + array( 'post_type' => 'attachment' ) ); + + wp_defer_comment_counting( true ); + + $comment_ids = $wpdb->get_col( $wpdb->prepare( "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = %d ORDER BY comment_ID DESC", $postid ) ); + foreach ( $comment_ids as $comment_id ) { + wp_delete_comment( $comment_id, true ); + } + + wp_defer_comment_counting( false ); + + $post_meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE post_id = %d ", $postid ) ); + foreach ( $post_meta_ids as $mid ) { + delete_metadata_by_mid( 'post', $mid ); + } + + /** + * Fires immediately before a post is deleted from the database. + * + * @since 1.2.0 + * @since 5.5.0 Added the `$post` parameter. + * + * @param int $postid Post ID. + * @param WP_Post $post Post object. + */ + do_action( 'delete_post', $postid, $post ); + + $result = $wpdb->delete( $wpdb->posts, array( 'ID' => $postid ) ); + if ( ! $result ) { + return false; + } + + /** + * Fires immediately after a post is deleted from the database. + * + * @since 2.2.0 + * @since 5.5.0 Added the `$post` parameter. + * + * @param int $postid Post ID. + * @param WP_Post $post Post object. + */ + do_action( 'deleted_post', $postid, $post ); + + clean_post_cache( $post ); + + if ( is_post_type_hierarchical( $post->post_type ) && $children ) { + foreach ( $children as $child ) { + clean_post_cache( $child ); + } + } + + wp_clear_scheduled_hook( 'publish_future_post', array( $postid ) ); + + /** + * Fires after a post is deleted, at the conclusion of wp_delete_post(). + * + * @since 3.2.0 + * @since 5.5.0 Added the `$post` parameter. + * + * @see wp_delete_post() + * + * @param int $postid Post ID. + * @param WP_Post $post Post object. + */ + do_action( 'after_delete_post', $postid, $post ); + + return $post; +} + +/** + * Resets the page_on_front, show_on_front, and page_for_post settings when + * a linked page is deleted or trashed. + * + * Also ensures the post is no longer sticky. + * + * @since 3.7.0 + * @access private + * + * @param int $post_id Post ID. + */ +function _reset_front_page_settings_for_post( $post_id ) { + $post = get_post( $post_id ); + + if ( 'page' === $post->post_type ) { + /* + * If the page is defined in option page_on_front or post_for_posts, + * adjust the corresponding options. + */ + if ( get_option( 'page_on_front' ) == $post->ID ) { + update_option( 'show_on_front', 'posts' ); + update_option( 'page_on_front', 0 ); + } + if ( get_option( 'page_for_posts' ) == $post->ID ) { + update_option( 'page_for_posts', 0 ); + } + } + + unstick_post( $post->ID ); +} + +/** + * Moves a post or page to the Trash + * + * If Trash is disabled, the post or page is permanently deleted. + * + * @since 2.9.0 + * + * @see wp_delete_post() + * + * @param int $post_id Optional. Post ID. Default is the ID of the global `$post` + * if `EMPTY_TRASH_DAYS` equals true. + * @return WP_Post|false|null Post data on success, false or null on failure. + */ +function wp_trash_post( $post_id = 0 ) { + if ( ! EMPTY_TRASH_DAYS ) { + return wp_delete_post( $post_id, true ); + } + + $post = get_post( $post_id ); + + if ( ! $post ) { + return $post; + } + + if ( 'trash' === $post->post_status ) { + return false; + } + + $previous_status = $post->post_status; + + /** + * Filters whether a post trashing should take place. + * + * @since 4.9.0 + * @since 6.3.0 Added the `$previous_status` parameter. + * + * @param bool|null $trash Whether to go forward with trashing. + * @param WP_Post $post Post object. + * @param string $previous_status The status of the post about to be trashed. + */ + $check = apply_filters( 'pre_trash_post', null, $post, $previous_status ); + + if ( null !== $check ) { + return $check; + } + + /** + * Fires before a post is sent to the Trash. + * + * @since 3.3.0 + * @since 6.3.0 Added the `$previous_status` parameter. + * + * @param int $post_id Post ID. + * @param string $previous_status The status of the post about to be trashed. + */ + do_action( 'wp_trash_post', $post_id, $previous_status ); + + add_post_meta( $post_id, '_wp_trash_meta_status', $previous_status ); + add_post_meta( $post_id, '_wp_trash_meta_time', time() ); + + $post_updated = wp_update_post( + array( + 'ID' => $post_id, + 'post_status' => 'trash', + ) + ); + + if ( ! $post_updated ) { + return false; + } + + wp_trash_post_comments( $post_id ); + + /** + * Fires after a post is sent to the Trash. + * + * @since 2.9.0 + * @since 6.3.0 Added the `$previous_status` parameter. + * + * @param int $post_id Post ID. + * @param string $previous_status The status of the post at the point where it was trashed. + */ + do_action( 'trashed_post', $post_id, $previous_status ); + + return $post; +} + +/** + * Restores a post from the Trash. + * + * @since 2.9.0 + * @since 5.6.0 An untrashed post is now returned to 'draft' status by default, except for + * attachments which are returned to their original 'inherit' status. + * + * @param int $post_id Optional. Post ID. Default is the ID of the global `$post`. + * @return WP_Post|false|null Post data on success, false or null on failure. + */ +function wp_untrash_post( $post_id = 0 ) { + $post = get_post( $post_id ); + + if ( ! $post ) { + return $post; + } + + $post_id = $post->ID; + + if ( 'trash' !== $post->post_status ) { + return false; + } + + $previous_status = get_post_meta( $post_id, '_wp_trash_meta_status', true ); + + /** + * Filters whether a post untrashing should take place. + * + * @since 4.9.0 + * @since 5.6.0 Added the `$previous_status` parameter. + * + * @param bool|null $untrash Whether to go forward with untrashing. + * @param WP_Post $post Post object. + * @param string $previous_status The status of the post at the point where it was trashed. + */ + $check = apply_filters( 'pre_untrash_post', null, $post, $previous_status ); + if ( null !== $check ) { + return $check; + } + + /** + * Fires before a post is restored from the Trash. + * + * @since 2.9.0 + * @since 5.6.0 Added the `$previous_status` parameter. + * + * @param int $post_id Post ID. + * @param string $previous_status The status of the post at the point where it was trashed. + */ + do_action( 'untrash_post', $post_id, $previous_status ); + + $new_status = ( 'attachment' === $post->post_type ) ? 'inherit' : 'draft'; + + /** + * Filters the status that a post gets assigned when it is restored from the trash (untrashed). + * + * By default posts that are restored will be assigned a status of 'draft'. Return the value of `$previous_status` + * in order to assign the status that the post had before it was trashed. The `wp_untrash_post_set_previous_status()` + * function is available for this. + * + * Prior to WordPress 5.6.0, restored posts were always assigned their original status. + * + * @since 5.6.0 + * + * @param string $new_status The new status of the post being restored. + * @param int $post_id The ID of the post being restored. + * @param string $previous_status The status of the post at the point where it was trashed. + */ + $post_status = apply_filters( 'wp_untrash_post_status', $new_status, $post_id, $previous_status ); + + delete_post_meta( $post_id, '_wp_trash_meta_status' ); + delete_post_meta( $post_id, '_wp_trash_meta_time' ); + + $post_updated = wp_update_post( + array( + 'ID' => $post_id, + 'post_status' => $post_status, + ) + ); + + if ( ! $post_updated ) { + return false; + } + + wp_untrash_post_comments( $post_id ); + + /** + * Fires after a post is restored from the Trash. + * + * @since 2.9.0 + * @since 5.6.0 Added the `$previous_status` parameter. + * + * @param int $post_id Post ID. + * @param string $previous_status The status of the post at the point where it was trashed. + */ + do_action( 'untrashed_post', $post_id, $previous_status ); + + return $post; +} + +/** + * Moves comments for a post to the Trash. + * + * @since 2.9.0 + * + * @global wpdb $wpdb WordPress database abstraction object. + * + * @param int|WP_Post|null $post Optional. Post ID or post object. Defaults to global $post. + * @return mixed|void False on failure. + */ +function wp_trash_post_comments( $post = null ) { + global $wpdb; + + $post = get_post( $post ); + + if ( ! $post ) { + return; + } + + $post_id = $post->ID; + + /** + * Fires before comments are sent to the Trash. + * + * @since 2.9.0 + * + * @param int $post_id Post ID. + */ + do_action( 'trash_post_comments', $post_id ); + + $comments = $wpdb->get_results( $wpdb->prepare( "SELECT comment_ID, comment_approved FROM $wpdb->comments WHERE comment_post_ID = %d", $post_id ) ); + + if ( ! $comments ) { + return; + } + + // Cache current status for each comment. + $statuses = array(); + foreach ( $comments as $comment ) { + $statuses[ $comment->comment_ID ] = $comment->comment_approved; + } + add_post_meta( $post_id, '_wp_trash_meta_comments_status', $statuses ); + + // Set status for all comments to post-trashed. + $result = $wpdb->update( $wpdb->comments, array( 'comment_approved' => 'post-trashed' ), array( 'comment_post_ID' => $post_id ) ); + + clean_comment_cache( array_keys( $statuses ) ); + + /** + * Fires after comments are sent to the Trash. + * + * @since 2.9.0 + * + * @param int $post_id Post ID. + * @param array $statuses Array of comment statuses. + */ + do_action( 'trashed_post_comments', $post_id, $statuses ); + + return $result; +} + +/** + * Restores comments for a post from the Trash. + * + * @since 2.9.0 + * + * @global wpdb $wpdb WordPress database abstraction object. + * + * @param int|WP_Post|null $post Optional. Post ID or post object. Defaults to global $post. + * @return true|void + */ +function wp_untrash_post_comments( $post = null ) { + global $wpdb; + + $post = get_post( $post ); + + if ( ! $post ) { + return; + } + + $post_id = $post->ID; + + $statuses = get_post_meta( $post_id, '_wp_trash_meta_comments_status', true ); + + if ( ! $statuses ) { + return true; + } + + /** + * Fires before comments are restored for a post from the Trash. + * + * @since 2.9.0 + * + * @param int $post_id Post ID. + */ + do_action( 'untrash_post_comments', $post_id ); + + // Restore each comment to its original status. + $group_by_status = array(); + foreach ( $statuses as $comment_id => $comment_status ) { + $group_by_status[ $comment_status ][] = $comment_id; + } + + foreach ( $group_by_status as $status => $comments ) { + // Sanity check. This shouldn't happen. + if ( 'post-trashed' === $status ) { + $status = '0'; + } + $comments_in = implode( ', ', array_map( 'intval', $comments ) ); + $wpdb->query( $wpdb->prepare( "UPDATE $wpdb->comments SET comment_approved = %s WHERE comment_ID IN ($comments_in)", $status ) ); + } + + clean_comment_cache( array_keys( $statuses ) ); + + delete_post_meta( $post_id, '_wp_trash_meta_comments_status' ); + + /** + * Fires after comments are restored for a post from the Trash. + * + * @since 2.9.0 + * + * @param int $post_id Post ID. + */ + do_action( 'untrashed_post_comments', $post_id ); +} + +/** + * Retrieves the list of categories for a post. + * + * Compatibility layer for themes and plugins. Also an easy layer of abstraction + * away from the complexity of the taxonomy layer. + * + * @since 2.1.0 + * + * @see wp_get_object_terms() + * + * @param int $post_id Optional. The Post ID. Does not default to the ID of the + * global $post. Default 0. + * @param array $args Optional. Category query parameters. Default empty array. + * See WP_Term_Query::__construct() for supported arguments. + * @return array|WP_Error List of categories. If the `$fields` argument passed via `$args` is 'all' or + * 'all_with_object_id', an array of WP_Term objects will be returned. If `$fields` + * is 'ids', an array of category IDs. If `$fields` is 'names', an array of category names. + * WP_Error object if 'category' taxonomy doesn't exist. + */ +function wp_get_post_categories( $post_id = 0, $args = array() ) { + $post_id = (int) $post_id; + + $defaults = array( 'fields' => 'ids' ); + $args = wp_parse_args( $args, $defaults ); + + $cats = wp_get_object_terms( $post_id, 'category', $args ); + return $cats; +} + +/** + * Retrieves the tags for a post. + * + * There is only one default for this function, called 'fields' and by default + * is set to 'all'. There are other defaults that can be overridden in + * wp_get_object_terms(). + * + * @since 2.3.0 + * + * @param int $post_id Optional. The Post ID. Does not default to the ID of the + * global $post. Default 0. + * @param array $args Optional. Tag query parameters. Default empty array. + * See WP_Term_Query::__construct() for supported arguments. + * @return array|WP_Error Array of WP_Term objects on success or empty array if no tags were found. + * WP_Error object if 'post_tag' taxonomy doesn't exist. + */ +function wp_get_post_tags( $post_id = 0, $args = array() ) { + return wp_get_post_terms( $post_id, 'post_tag', $args ); +} + +/** + * Retrieves the terms for a post. + * + * @since 2.8.0 + * + * @param int $post_id Optional. The Post ID. Does not default to the ID of the + * global $post. Default 0. + * @param string|string[] $taxonomy Optional. The taxonomy slug or array of slugs for which + * to retrieve terms. Default 'post_tag'. + * @param array $args { + * Optional. Term query parameters. See WP_Term_Query::__construct() for supported arguments. + * + * @type string $fields Term fields to retrieve. Default 'all'. + * } + * @return array|WP_Error Array of WP_Term objects on success or empty array if no terms were found. + * WP_Error object if `$taxonomy` doesn't exist. + */ +function wp_get_post_terms( $post_id = 0, $taxonomy = 'post_tag', $args = array() ) { + $post_id = (int) $post_id; + + $defaults = array( 'fields' => 'all' ); + $args = wp_parse_args( $args, $defaults ); + + $tags = wp_get_object_terms( $post_id, $taxonomy, $args ); + + return $tags; +} + +/** + * Retrieves a number of recent posts. + * + * @since 1.0.0 + * + * @see get_posts() + * + * @param array $args Optional. Arguments to retrieve posts. Default empty array. + * @param string $output Optional. The required return type. One of OBJECT or ARRAY_A, which + * correspond to a WP_Post object or an associative array, respectively. + * Default ARRAY_A. + * @return array|false Array of recent posts, where the type of each element is determined + * by the `$output` parameter. Empty array on failure. + */ +function wp_get_recent_posts( $args = array(), $output = ARRAY_A ) { + + if ( is_numeric( $args ) ) { + _deprecated_argument( __FUNCTION__, '3.1.0', __( 'Passing an integer number of posts is deprecated. Pass an array of arguments instead.' ) ); + $args = array( 'numberposts' => absint( $args ) ); + } + + // Set default arguments. + $defaults = array( + 'numberposts' => 10, + 'offset' => 0, + 'category' => 0, + 'orderby' => 'post_date', + 'order' => 'DESC', + 'include' => '', + 'exclude' => '', + 'meta_key' => '', + 'meta_value' => '', + 'post_type' => 'post', + 'post_status' => 'draft, publish, future, pending, private', + 'suppress_filters' => true, + ); + + $parsed_args = wp_parse_args( $args, $defaults ); + + $results = get_posts( $parsed_args ); + + // Backward compatibility. Prior to 3.1 expected posts to be returned in array. + if ( ARRAY_A === $output ) { + foreach ( $results as $key => $result ) { + $results[ $key ] = get_object_vars( $result ); + } + return $results ? $results : array(); + } + + return $results ? $results : false; +} + +/** + * Inserts or update a post. + * + * If the $postarr parameter has 'ID' set to a value, then post will be updated. + * + * You can set the post date manually, by setting the values for 'post_date' + * and 'post_date_gmt' keys. You can close the comments or open the comments by + * setting the value for 'comment_status' key. + * + * @since 1.0.0 + * @since 2.6.0 Added the `$wp_error` parameter to allow a WP_Error to be returned on failure. + * @since 4.2.0 Support was added for encoding emoji in the post title, content, and excerpt. + * @since 4.4.0 A 'meta_input' array can now be passed to `$postarr` to add post meta data. + * @since 5.6.0 Added the `$fire_after_hooks` parameter. + * + * @see sanitize_post() + * @global wpdb $wpdb WordPress database abstraction object. + * + * @param array $postarr { + * An array of elements that make up a post to update or insert. + * + * @type int $ID The post ID. If equal to something other than 0, + * the post with that ID will be updated. Default 0. + * @type int $post_author The ID of the user who added the post. Default is + * the current user ID. + * @type string $post_date The date of the post. Default is the current time. + * @type string $post_date_gmt The date of the post in the GMT timezone. Default is + * the value of `$post_date`. + * @type string $post_content The post content. Default empty. + * @type string $post_content_filtered The filtered post content. Default empty. + * @type string $post_title The post title. Default empty. + * @type string $post_excerpt The post excerpt. Default empty. + * @type string $post_status The post status. Default 'draft'. + * @type string $post_type The post type. Default 'post'. + * @type string $comment_status Whether the post can accept comments. Accepts 'open' or 'closed'. + * Default is the value of 'default_comment_status' option. + * @type string $ping_status Whether the post can accept pings. Accepts 'open' or 'closed'. + * Default is the value of 'default_ping_status' option. + * @type string $post_password The password to access the post. Default empty. + * @type string $post_name The post name. Default is the sanitized post title + * when creating a new post. + * @type string $to_ping Space or carriage return-separated list of URLs to ping. + * Default empty. + * @type string $pinged Space or carriage return-separated list of URLs that have + * been pinged. Default empty. + * @type int $post_parent Set this for the post it belongs to, if any. Default 0. + * @type int $menu_order The order the post should be displayed in. Default 0. + * @type string $post_mime_type The mime type of the post. Default empty. + * @type string $guid Global Unique ID for referencing the post. Default empty. + * @type int $import_id The post ID to be used when inserting a new post. + * If specified, must not match any existing post ID. Default 0. + * @type int[] $post_category Array of category IDs. + * Defaults to value of the 'default_category' option. + * @type array $tags_input Array of tag names, slugs, or IDs. Default empty. + * @type array $tax_input An array of taxonomy terms keyed by their taxonomy name. + * If the taxonomy is hierarchical, the term list needs to be + * either an array of term IDs or a comma-separated string of IDs. + * If the taxonomy is non-hierarchical, the term list can be an array + * that contains term names or slugs, or a comma-separated string + * of names or slugs. This is because, in hierarchical taxonomy, + * child terms can have the same names with different parent terms, + * so the only way to connect them is using ID. Default empty. + * @type array $meta_input Array of post meta values keyed by their post meta key. Default empty. + * @type string $page_template Page template to use. + * } + * @param bool $wp_error Optional. Whether to return a WP_Error on failure. Default false. + * @param bool $fire_after_hooks Optional. Whether to fire the after insert hooks. Default true. + * @return int|WP_Error The post ID on success. The value 0 or WP_Error on failure. + */ +function wp_insert_post( $postarr, $wp_error = false, $fire_after_hooks = true ) { + global $wpdb; + + // Capture original pre-sanitized array for passing into filters. + $unsanitized_postarr = $postarr; + + $user_id = get_current_user_id(); + + $defaults = array( + 'post_author' => $user_id, + 'post_content' => '', + 'post_content_filtered' => '', + 'post_title' => '', + 'post_excerpt' => '', + 'post_status' => 'draft', + 'post_type' => 'post', + 'comment_status' => '', + 'ping_status' => '', + 'post_password' => '', + 'to_ping' => '', + 'pinged' => '', + 'post_parent' => 0, + 'menu_order' => 0, + 'guid' => '', + 'import_id' => 0, + 'context' => '', + 'post_date' => '', + 'post_date_gmt' => '', + ); + + $postarr = wp_parse_args( $postarr, $defaults ); + + unset( $postarr['filter'] ); + + $postarr = sanitize_post( $postarr, 'db' ); + + // Are we updating or creating? + $post_id = 0; + $update = false; + $guid = $postarr['guid']; + + if ( ! empty( $postarr['ID'] ) ) { + $update = true; + + // Get the post ID and GUID. + $post_id = $postarr['ID']; + $post_before = get_post( $post_id ); + + if ( is_null( $post_before ) ) { + if ( $wp_error ) { + return new WP_Error( 'invalid_post', __( 'Invalid post ID.' ) ); + } + return 0; + } + + $guid = get_post_field( 'guid', $post_id ); + $previous_status = get_post_field( 'post_status', $post_id ); + } else { + $previous_status = 'new'; + $post_before = null; + } + + $post_type = empty( $postarr['post_type'] ) ? 'post' : $postarr['post_type']; + + $post_title = $postarr['post_title']; + $post_content = $postarr['post_content']; + $post_excerpt = $postarr['post_excerpt']; + + if ( isset( $postarr['post_name'] ) ) { + $post_name = $postarr['post_name']; + } elseif ( $update ) { + // For an update, don't modify the post_name if it wasn't supplied as an argument. + $post_name = $post_before->post_name; + } + + $maybe_empty = 'attachment' !== $post_type + && ! $post_content && ! $post_title && ! $post_excerpt + && post_type_supports( $post_type, 'editor' ) + && post_type_supports( $post_type, 'title' ) + && post_type_supports( $post_type, 'excerpt' ); + + /** + * Filters whether the post should be considered "empty". + * + * The post is considered "empty" if both: + * 1. The post type supports the title, editor, and excerpt fields + * 2. The title, editor, and excerpt fields are all empty + * + * Returning a truthy value from the filter will effectively short-circuit + * the new post being inserted and return 0. If $wp_error is true, a WP_Error + * will be returned instead. + * + * @since 3.3.0 + * + * @param bool $maybe_empty Whether the post should be considered "empty". + * @param array $postarr Array of post data. + */ + if ( apply_filters( 'wp_insert_post_empty_content', $maybe_empty, $postarr ) ) { + if ( $wp_error ) { + return new WP_Error( 'empty_content', __( 'Content, title, and excerpt are empty.' ) ); + } else { + return 0; + } + } + + $post_status = empty( $postarr['post_status'] ) ? 'draft' : $postarr['post_status']; + + if ( 'attachment' === $post_type && ! in_array( $post_status, array( 'inherit', 'private', 'trash', 'auto-draft' ), true ) ) { + $post_status = 'inherit'; + } + + if ( ! empty( $postarr['post_category'] ) ) { + // Filter out empty terms. + $post_category = array_filter( $postarr['post_category'] ); + } elseif ( $update && ! isset( $postarr['post_category'] ) ) { + $post_category = $post_before->post_category; + } + + // Make sure we set a valid category. + if ( empty( $post_category ) || 0 === count( $post_category ) || ! is_array( $post_category ) ) { + // 'post' requires at least one category. + if ( 'post' === $post_type && 'auto-draft' !== $post_status ) { + $post_category = array( get_option( 'default_category' ) ); + } else { + $post_category = array(); + } + } + + /* + * Don't allow contributors to set the post slug for pending review posts. + * + * For new posts check the primitive capability, for updates check the meta capability. + */ + if ( 'pending' === $post_status ) { + $post_type_object = get_post_type_object( $post_type ); + + if ( ! $update && $post_type_object && ! current_user_can( $post_type_object->cap->publish_posts ) ) { + $post_name = ''; + } elseif ( $update && ! current_user_can( 'publish_post', $post_id ) ) { + $post_name = ''; + } + } + + /* + * Create a valid post name. Drafts and pending posts are allowed to have + * an empty post name. + */ + if ( empty( $post_name ) ) { + if ( ! in_array( $post_status, array( 'draft', 'pending', 'auto-draft' ), true ) ) { + $post_name = sanitize_title( $post_title ); + } else { + $post_name = ''; + } + } else { + // On updates, we need to check to see if it's using the old, fixed sanitization context. + $check_name = sanitize_title( $post_name, '', 'old-save' ); + + if ( $update + && strtolower( urlencode( $post_name ) ) === $check_name + && get_post_field( 'post_name', $post_id ) === $check_name + ) { + $post_name = $check_name; + } else { // New post, or slug has changed. + $post_name = sanitize_title( $post_name ); + } + } + + /* + * Resolve the post date from any provided post date or post date GMT strings; + * if none are provided, the date will be set to now. + */ + $post_date = wp_resolve_post_date( $postarr['post_date'], $postarr['post_date_gmt'] ); + + if ( ! $post_date ) { + if ( $wp_error ) { + return new WP_Error( 'invalid_date', __( 'Invalid date.' ) ); + } else { + return 0; + } + } + + if ( empty( $postarr['post_date_gmt'] ) || '0000-00-00 00:00:00' === $postarr['post_date_gmt'] ) { + if ( ! in_array( $post_status, get_post_stati( array( 'date_floating' => true ) ), true ) ) { + $post_date_gmt = get_gmt_from_date( $post_date ); + } else { + $post_date_gmt = '0000-00-00 00:00:00'; + } + } else { + $post_date_gmt = $postarr['post_date_gmt']; + } + + if ( $update || '0000-00-00 00:00:00' === $post_date ) { + $post_modified = current_time( 'mysql' ); + $post_modified_gmt = current_time( 'mysql', 1 ); + } else { + $post_modified = $post_date; + $post_modified_gmt = $post_date_gmt; + } + + if ( 'attachment' !== $post_type ) { + $now = gmdate( 'Y-m-d H:i:s' ); + + if ( 'publish' === $post_status ) { + if ( strtotime( $post_date_gmt ) - strtotime( $now ) >= MINUTE_IN_SECONDS ) { + $post_status = 'future'; + } + } elseif ( 'future' === $post_status ) { + if ( strtotime( $post_date_gmt ) - strtotime( $now ) < MINUTE_IN_SECONDS ) { + $post_status = 'publish'; + } + } + } + + // Comment status. + if ( empty( $postarr['comment_status'] ) ) { + if ( $update ) { + $comment_status = 'closed'; + } else { + $comment_status = get_default_comment_status( $post_type ); + } + } else { + $comment_status = $postarr['comment_status']; + } + + // These variables are needed by compact() later. + $post_content_filtered = $postarr['post_content_filtered']; + $post_author = isset( $postarr['post_author'] ) ? $postarr['post_author'] : $user_id; + $ping_status = empty( $postarr['ping_status'] ) ? get_default_comment_status( $post_type, 'pingback' ) : $postarr['ping_status']; + $to_ping = isset( $postarr['to_ping'] ) ? sanitize_trackback_urls( $postarr['to_ping'] ) : ''; + $pinged = isset( $postarr['pinged'] ) ? $postarr['pinged'] : ''; + $import_id = isset( $postarr['import_id'] ) ? $postarr['import_id'] : 0; + + /* + * The 'wp_insert_post_parent' filter expects all variables to be present. + * Previously, these variables would have already been extracted + */ + if ( isset( $postarr['menu_order'] ) ) { + $menu_order = (int) $postarr['menu_order']; + } else { + $menu_order = 0; + } + + $post_password = isset( $postarr['post_password'] ) ? $postarr['post_password'] : ''; + if ( 'private' === $post_status ) { + $post_password = ''; + } + + if ( isset( $postarr['post_parent'] ) ) { + $post_parent = (int) $postarr['post_parent']; + } else { + $post_parent = 0; + } + + $new_postarr = array_merge( + array( + 'ID' => $post_id, + ), + compact( array_diff( array_keys( $defaults ), array( 'context', 'filter' ) ) ) + ); + + /** + * Filters the post parent -- used to check for and prevent hierarchy loops. + * + * @since 3.1.0 + * + * @param int $post_parent Post parent ID. + * @param int $post_id Post ID. + * @param array $new_postarr Array of parsed post data. + * @param array $postarr Array of sanitized, but otherwise unmodified post data. + */ + $post_parent = apply_filters( 'wp_insert_post_parent', $post_parent, $post_id, $new_postarr, $postarr ); + + /* + * If the post is being untrashed and it has a desired slug stored in post meta, + * reassign it. + */ + if ( 'trash' === $previous_status && 'trash' !== $post_status ) { + $desired_post_slug = get_post_meta( $post_id, '_wp_desired_post_slug', true ); + + if ( $desired_post_slug ) { + delete_post_meta( $post_id, '_wp_desired_post_slug' ); + $post_name = $desired_post_slug; + } + } + + // If a trashed post has the desired slug, change it and let this post have it. + if ( 'trash' !== $post_status && $post_name ) { + /** + * Filters whether or not to add a `__trashed` suffix to trashed posts that match the name of the updated post. + * + * @since 5.4.0 + * + * @param bool $add_trashed_suffix Whether to attempt to add the suffix. + * @param string $post_name The name of the post being updated. + * @param int $post_id Post ID. + */ + $add_trashed_suffix = apply_filters( 'add_trashed_suffix_to_trashed_posts', true, $post_name, $post_id ); + + if ( $add_trashed_suffix ) { + wp_add_trashed_suffix_to_post_name_for_trashed_posts( $post_name, $post_id ); + } + } + + // When trashing an existing post, change its slug to allow non-trashed posts to use it. + if ( 'trash' === $post_status && 'trash' !== $previous_status && 'new' !== $previous_status ) { + $post_name = wp_add_trashed_suffix_to_post_name_for_post( $post_id ); + } + + $post_name = wp_unique_post_slug( $post_name, $post_id, $post_status, $post_type, $post_parent ); + + // Don't unslash. + $post_mime_type = isset( $postarr['post_mime_type'] ) ? $postarr['post_mime_type'] : ''; + + // Expected_slashed (everything!). + $data = compact( + 'post_author', + 'post_date', + 'post_date_gmt', + 'post_content', + 'post_content_filtered', + 'post_title', + 'post_excerpt', + 'post_status', + 'post_type', + 'comment_status', + 'ping_status', + 'post_password', + 'post_name', + 'to_ping', + 'pinged', + 'post_modified', + 'post_modified_gmt', + 'post_parent', + 'menu_order', + 'post_mime_type', + 'guid' + ); + + $emoji_fields = array( 'post_title', 'post_content', 'post_excerpt' ); + + foreach ( $emoji_fields as $emoji_field ) { + if ( isset( $data[ $emoji_field ] ) ) { + $charset = $wpdb->get_col_charset( $wpdb->posts, $emoji_field ); + + if ( 'utf8' === $charset ) { + $data[ $emoji_field ] = wp_encode_emoji( $data[ $emoji_field ] ); + } + } + } + + if ( 'attachment' === $post_type ) { + /** + * Filters attachment post data before it is updated in or added to the database. + * + * @since 3.9.0 + * @since 5.4.1 The `$unsanitized_postarr` parameter was added. + * @since 6.0.0 The `$update` parameter was added. + * + * @param array $data An array of slashed, sanitized, and processed attachment post data. + * @param array $postarr An array of slashed and sanitized attachment post data, but not processed. + * @param array $unsanitized_postarr An array of slashed yet *unsanitized* and unprocessed attachment post data + * as originally passed to wp_insert_post(). + * @param bool $update Whether this is an existing attachment post being updated. + */ + $data = apply_filters( 'wp_insert_attachment_data', $data, $postarr, $unsanitized_postarr, $update ); + } else { + /** + * Filters slashed post data just before it is inserted into the database. + * + * @since 2.7.0 + * @since 5.4.1 The `$unsanitized_postarr` parameter was added. + * @since 6.0.0 The `$update` parameter was added. + * + * @param array $data An array of slashed, sanitized, and processed post data. + * @param array $postarr An array of sanitized (and slashed) but otherwise unmodified post data. + * @param array $unsanitized_postarr An array of slashed yet *unsanitized* and unprocessed post data as + * originally passed to wp_insert_post(). + * @param bool $update Whether this is an existing post being updated. + */ + $data = apply_filters( 'wp_insert_post_data', $data, $postarr, $unsanitized_postarr, $update ); + } + + $data = wp_unslash( $data ); + $where = array( 'ID' => $post_id ); + + if ( $update ) { + /** + * Fires immediately before an existing post is updated in the database. + * + * @since 2.5.0 + * + * @param int $post_id Post ID. + * @param array $data Array of unslashed post data. + */ + do_action( 'pre_post_update', $post_id, $data ); + + if ( false === $wpdb->update( $wpdb->posts, $data, $where ) ) { + if ( $wp_error ) { + if ( 'attachment' === $post_type ) { + $message = __( 'Could not update attachment in the database.' ); + } else { + $message = __( 'Could not update post in the database.' ); + } + + return new WP_Error( 'db_update_error', $message, $wpdb->last_error ); + } else { + return 0; + } + } + } else { + // If there is a suggested ID, use it if not already present. + if ( ! empty( $import_id ) ) { + $import_id = (int) $import_id; + + if ( ! $wpdb->get_var( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE ID = %d", $import_id ) ) ) { + $data['ID'] = $import_id; + } + } + + if ( false === $wpdb->insert( $wpdb->posts, $data ) ) { + if ( $wp_error ) { + if ( 'attachment' === $post_type ) { + $message = __( 'Could not insert attachment into the database.' ); + } else { + $message = __( 'Could not insert post into the database.' ); + } + + return new WP_Error( 'db_insert_error', $message, $wpdb->last_error ); + } else { + return 0; + } + } + + $post_id = (int) $wpdb->insert_id; + + // Use the newly generated $post_id. + $where = array( 'ID' => $post_id ); + } + + if ( empty( $data['post_name'] ) && ! in_array( $data['post_status'], array( 'draft', 'pending', 'auto-draft' ), true ) ) { + $data['post_name'] = wp_unique_post_slug( sanitize_title( $data['post_title'], $post_id ), $post_id, $data['post_status'], $post_type, $post_parent ); + + $wpdb->update( $wpdb->posts, array( 'post_name' => $data['post_name'] ), $where ); + clean_post_cache( $post_id ); + } + + if ( is_object_in_taxonomy( $post_type, 'category' ) ) { + wp_set_post_categories( $post_id, $post_category ); + } + + if ( isset( $postarr['tags_input'] ) && is_object_in_taxonomy( $post_type, 'post_tag' ) ) { + wp_set_post_tags( $post_id, $postarr['tags_input'] ); + } + + // Add default term for all associated custom taxonomies. + if ( 'auto-draft' !== $post_status ) { + foreach ( get_object_taxonomies( $post_type, 'object' ) as $taxonomy => $tax_object ) { + + if ( ! empty( $tax_object->default_term ) ) { + + // Filter out empty terms. + if ( isset( $postarr['tax_input'][ $taxonomy ] ) && is_array( $postarr['tax_input'][ $taxonomy ] ) ) { + $postarr['tax_input'][ $taxonomy ] = array_filter( $postarr['tax_input'][ $taxonomy ] ); + } + + // Passed custom taxonomy list overwrites the existing list if not empty. + $terms = wp_get_object_terms( $post_id, $taxonomy, array( 'fields' => 'ids' ) ); + if ( ! empty( $terms ) && empty( $postarr['tax_input'][ $taxonomy ] ) ) { + $postarr['tax_input'][ $taxonomy ] = $terms; + } + + if ( empty( $postarr['tax_input'][ $taxonomy ] ) ) { + $default_term_id = get_option( 'default_term_' . $taxonomy ); + if ( ! empty( $default_term_id ) ) { + $postarr['tax_input'][ $taxonomy ] = array( (int) $default_term_id ); + } + } + } + } + } + + // New-style support for all custom taxonomies. + if ( ! empty( $postarr['tax_input'] ) ) { + foreach ( $postarr['tax_input'] as $taxonomy => $tags ) { + $taxonomy_obj = get_taxonomy( $taxonomy ); + + if ( ! $taxonomy_obj ) { + /* translators: %s: Taxonomy name. */ + _doing_it_wrong( __FUNCTION__, sprintf( __( 'Invalid taxonomy: %s.' ), $taxonomy ), '4.4.0' ); + continue; + } + + // array = hierarchical, string = non-hierarchical. + if ( is_array( $tags ) ) { + $tags = array_filter( $tags ); + } + + if ( current_user_can( $taxonomy_obj->cap->assign_terms ) ) { + wp_set_post_terms( $post_id, $tags, $taxonomy ); + } + } + } + + if ( ! empty( $postarr['meta_input'] ) ) { + foreach ( $postarr['meta_input'] as $field => $value ) { + update_post_meta( $post_id, $field, $value ); + } + } + + $current_guid = get_post_field( 'guid', $post_id ); + + // Set GUID. + if ( ! $update && '' === $current_guid ) { + $wpdb->update( $wpdb->posts, array( 'guid' => get_permalink( $post_id ) ), $where ); + } + + if ( 'attachment' === $postarr['post_type'] ) { + if ( ! empty( $postarr['file'] ) ) { + update_attached_file( $post_id, $postarr['file'] ); + } + + if ( ! empty( $postarr['context'] ) ) { + add_post_meta( $post_id, '_wp_attachment_context', $postarr['context'], true ); + } + } + + // Set or remove featured image. + if ( isset( $postarr['_thumbnail_id'] ) ) { + $thumbnail_support = current_theme_supports( 'post-thumbnails', $post_type ) && post_type_supports( $post_type, 'thumbnail' ) || 'revision' === $post_type; + + if ( ! $thumbnail_support && 'attachment' === $post_type && $post_mime_type ) { + if ( wp_attachment_is( 'audio', $post_id ) ) { + $thumbnail_support = post_type_supports( 'attachment:audio', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:audio' ); + } elseif ( wp_attachment_is( 'video', $post_id ) ) { + $thumbnail_support = post_type_supports( 'attachment:video', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:video' ); + } + } + + if ( $thumbnail_support ) { + $thumbnail_id = (int) $postarr['_thumbnail_id']; + if ( -1 === $thumbnail_id ) { + delete_post_thumbnail( $post_id ); + } else { + set_post_thumbnail( $post_id, $thumbnail_id ); + } + } + } + + clean_post_cache( $post_id ); + + $post = get_post( $post_id ); + + if ( ! empty( $postarr['page_template'] ) ) { + $post->page_template = $postarr['page_template']; + $page_templates = wp_get_theme()->get_page_templates( $post ); + + if ( 'default' !== $postarr['page_template'] && ! isset( $page_templates[ $postarr['page_template'] ] ) ) { + if ( $wp_error ) { + return new WP_Error( 'invalid_page_template', __( 'Invalid page template.' ) ); + } + + update_post_meta( $post_id, '_wp_page_template', 'default' ); + } else { + update_post_meta( $post_id, '_wp_page_template', $postarr['page_template'] ); + } + } + + if ( 'attachment' !== $postarr['post_type'] ) { + wp_transition_post_status( $data['post_status'], $previous_status, $post ); + } else { + if ( $update ) { + /** + * Fires once an existing attachment has been updated. + * + * @since 2.0.0 + * + * @param int $post_id Attachment ID. + */ + do_action( 'edit_attachment', $post_id ); + + $post_after = get_post( $post_id ); + + /** + * Fires once an existing attachment has been updated. + * + * @since 4.4.0 + * + * @param int $post_id Post ID. + * @param WP_Post $post_after Post object following the update. + * @param WP_Post $post_before Post object before the update. + */ + do_action( 'attachment_updated', $post_id, $post_after, $post_before ); + } else { + + /** + * Fires once an attachment has been added. + * + * @since 2.0.0 + * + * @param int $post_id Attachment ID. + */ + do_action( 'add_attachment', $post_id ); + } + + return $post_id; + } + + if ( $update ) { + /** + * Fires once an existing post has been updated. + * + * The dynamic portion of the hook name, `$post->post_type`, refers to + * the post type slug. + * + * Possible hook names include: + * + * - `edit_post_post` + * - `edit_post_page` + * + * @since 5.1.0 + * + * @param int $post_id Post ID. + * @param WP_Post $post Post object. + */ + do_action( "edit_post_{$post->post_type}", $post_id, $post ); + + /** + * Fires once an existing post has been updated. + * + * @since 1.2.0 + * + * @param int $post_id Post ID. + * @param WP_Post $post Post object. + */ + do_action( 'edit_post', $post_id, $post ); + + $post_after = get_post( $post_id ); + + /** + * Fires once an existing post has been updated. + * + * @since 3.0.0 + * + * @param int $post_id Post ID. + * @param WP_Post $post_after Post object following the update. + * @param WP_Post $post_before Post object before the update. + */ + do_action( 'post_updated', $post_id, $post_after, $post_before ); + } + + /** + * Fires once a post has been saved. + * + * The dynamic portion of the hook name, `$post->post_type`, refers to + * the post type slug. + * + * Possible hook names include: + * + * - `save_post_post` + * - `save_post_page` + * + * @since 3.7.0 + * + * @param int $post_id Post ID. + * @param WP_Post $post Post object. + * @param bool $update Whether this is an existing post being updated. + */ + do_action( "save_post_{$post->post_type}", $post_id, $post, $update ); + + /** + * Fires once a post has been saved. + * + * @since 1.5.0 + * + * @param int $post_id Post ID. + * @param WP_Post $post Post object. + * @param bool $update Whether this is an existing post being updated. + */ + do_action( 'save_post', $post_id, $post, $update ); + + /** + * Fires once a post has been saved. + * + * @since 2.0.0 + * + * @param int $post_id Post ID. + * @param WP_Post $post Post object. + * @param bool $update Whether this is an existing post being updated. + */ + do_action( 'wp_insert_post', $post_id, $post, $update ); + + if ( $fire_after_hooks ) { + wp_after_insert_post( $post, $update, $post_before ); + } + + return $post_id; +} + +/** + * Updates a post with new post data. + * + * The date does not have to be set for drafts. You can set the date and it will + * not be overridden. + * + * @since 1.0.0 + * @since 3.5.0 Added the `$wp_error` parameter to allow a WP_Error to be returned on failure. + * @since 5.6.0 Added the `$fire_after_hooks` parameter. + * + * @param array|object $postarr Optional. Post data. Arrays are expected to be escaped, + * objects are not. See wp_insert_post() for accepted arguments. + * Default array. + * @param bool $wp_error Optional. Whether to return a WP_Error on failure. Default false. + * @param bool $fire_after_hooks Optional. Whether to fire the after insert hooks. Default true. + * @return int|WP_Error The post ID on success. The value 0 or WP_Error on failure. + */ +function wp_update_post( $postarr = array(), $wp_error = false, $fire_after_hooks = true ) { + if ( is_object( $postarr ) ) { + // Non-escaped post was passed. + $postarr = get_object_vars( $postarr ); + $postarr = wp_slash( $postarr ); + } + + // First, get all of the original fields. + $post = get_post( $postarr['ID'], ARRAY_A ); + + if ( is_null( $post ) ) { + if ( $wp_error ) { + return new WP_Error( 'invalid_post', __( 'Invalid post ID.' ) ); + } + return 0; + } + + // Escape data pulled from DB. + $post = wp_slash( $post ); + + // Passed post category list overwrites existing category list if not empty. + if ( isset( $postarr['post_category'] ) && is_array( $postarr['post_category'] ) + && count( $postarr['post_category'] ) > 0 + ) { + $post_cats = $postarr['post_category']; + } else { + $post_cats = $post['post_category']; + } + + // Drafts shouldn't be assigned a date unless explicitly done so by the user. + if ( isset( $post['post_status'] ) + && in_array( $post['post_status'], array( 'draft', 'pending', 'auto-draft' ), true ) + && empty( $postarr['edit_date'] ) && ( '0000-00-00 00:00:00' === $post['post_date_gmt'] ) + ) { + $clear_date = true; + } else { + $clear_date = false; + } + + // Merge old and new fields with new fields overwriting old ones. + $postarr = array_merge( $post, $postarr ); + $postarr['post_category'] = $post_cats; + if ( $clear_date ) { + $postarr['post_date'] = current_time( 'mysql' ); + $postarr['post_date_gmt'] = ''; + } + + if ( 'attachment' === $postarr['post_type'] ) { + return wp_insert_attachment( $postarr, false, 0, $wp_error ); + } + + // Discard 'tags_input' parameter if it's the same as existing post tags. + if ( isset( $postarr['tags_input'] ) && is_object_in_taxonomy( $postarr['post_type'], 'post_tag' ) ) { + $tags = get_the_terms( $postarr['ID'], 'post_tag' ); + $tag_names = array(); + + if ( $tags && ! is_wp_error( $tags ) ) { + $tag_names = wp_list_pluck( $tags, 'name' ); + } + + if ( $postarr['tags_input'] === $tag_names ) { + unset( $postarr['tags_input'] ); + } + } + + return wp_insert_post( $postarr, $wp_error, $fire_after_hooks ); +} + +/** + * Publishes a post by transitioning the post status. + * + * @since 2.1.0 + * + * @global wpdb $wpdb WordPress database abstraction object. + * + * @param int|WP_Post $post Post ID or post object. + */ +function wp_publish_post( $post ) { + global $wpdb; + + $post = get_post( $post ); + + if ( ! $post ) { + return; + } + + if ( 'publish' === $post->post_status ) { + return; + } + + $post_before = get_post( $post->ID ); + + // Ensure at least one term is applied for taxonomies with a default term. + foreach ( get_object_taxonomies( $post->post_type, 'object' ) as $taxonomy => $tax_object ) { + // Skip taxonomy if no default term is set. + if ( + 'category' !== $taxonomy && + empty( $tax_object->default_term ) + ) { + continue; + } + + // Do not modify previously set terms. + if ( ! empty( get_the_terms( $post, $taxonomy ) ) ) { + continue; + } + + if ( 'category' === $taxonomy ) { + $default_term_id = (int) get_option( 'default_category', 0 ); + } else { + $default_term_id = (int) get_option( 'default_term_' . $taxonomy, 0 ); + } + + if ( ! $default_term_id ) { + continue; + } + wp_set_post_terms( $post->ID, array( $default_term_id ), $taxonomy ); + } + + $wpdb->update( $wpdb->posts, array( 'post_status' => 'publish' ), array( 'ID' => $post->ID ) ); + + clean_post_cache( $post->ID ); + + $old_status = $post->post_status; + $post->post_status = 'publish'; + wp_transition_post_status( 'publish', $old_status, $post ); + + /** This action is documented in wp-includes/post.php */ + do_action( "edit_post_{$post->post_type}", $post->ID, $post ); + + /** This action is documented in wp-includes/post.php */ + do_action( 'edit_post', $post->ID, $post ); + + /** This action is documented in wp-includes/post.php */ + do_action( "save_post_{$post->post_type}", $post->ID, $post, true ); + + /** This action is documented in wp-includes/post.php */ + do_action( 'save_post', $post->ID, $post, true ); + + /** This action is documented in wp-includes/post.php */ + do_action( 'wp_insert_post', $post->ID, $post, true ); + + wp_after_insert_post( $post, true, $post_before ); +} + +/** + * Publishes future post and make sure post ID has future post status. + * + * Invoked by cron 'publish_future_post' event. This safeguard prevents cron + * from publishing drafts, etc. + * + * @since 2.5.0 + * + * @param int|WP_Post $post Post ID or post object. + */ +function check_and_publish_future_post( $post ) { + $post = get_post( $post ); + + if ( ! $post ) { + return; + } + + if ( 'future' !== $post->post_status ) { + return; + } + + $time = strtotime( $post->post_date_gmt . ' GMT' ); + + // Uh oh, someone jumped the gun! + if ( $time > time() ) { + wp_clear_scheduled_hook( 'publish_future_post', array( $post->ID ) ); // Clear anything else in the system. + wp_schedule_single_event( $time, 'publish_future_post', array( $post->ID ) ); + return; + } + + // wp_publish_post() returns no meaningful value. + wp_publish_post( $post->ID ); +} + +/** + * Uses wp_checkdate to return a valid Gregorian-calendar value for post_date. + * If post_date is not provided, this first checks post_date_gmt if provided, + * then falls back to use the current time. + * + * For back-compat purposes in wp_insert_post, an empty post_date and an invalid + * post_date_gmt will continue to return '1970-01-01 00:00:00' rather than false. + * + * @since 5.7.0 + * + * @param string $post_date The date in mysql format (`Y-m-d H:i:s`). + * @param string $post_date_gmt The GMT date in mysql format (`Y-m-d H:i:s`). + * @return string|false A valid Gregorian-calendar date string, or false on failure. + */ +function wp_resolve_post_date( $post_date = '', $post_date_gmt = '' ) { + // If the date is empty, set the date to now. + if ( empty( $post_date ) || '0000-00-00 00:00:00' === $post_date ) { + if ( empty( $post_date_gmt ) || '0000-00-00 00:00:00' === $post_date_gmt ) { + $post_date = current_time( 'mysql' ); + } else { + $post_date = get_date_from_gmt( $post_date_gmt ); + } + } + + // Validate the date. + $month = (int) substr( $post_date, 5, 2 ); + $day = (int) substr( $post_date, 8, 2 ); + $year = (int) substr( $post_date, 0, 4 ); + + $valid_date = wp_checkdate( $month, $day, $year, $post_date ); + + if ( ! $valid_date ) { + return false; + } + return $post_date; +} + +/** + * Computes a unique slug for the post, when given the desired slug and some post details. + * + * @since 2.8.0 + * + * @global wpdb $wpdb WordPress database abstraction object. + * @global WP_Rewrite $wp_rewrite WordPress rewrite component. + * + * @param string $slug The desired slug (post_name). + * @param int $post_id Post ID. + * @param string $post_status No uniqueness checks are made if the post is still draft or pending. + * @param string $post_type Post type. + * @param int $post_parent Post parent ID. + * @return string Unique slug for the post, based on $post_name (with a -1, -2, etc. suffix) + */ +function wp_unique_post_slug( $slug, $post_id, $post_status, $post_type, $post_parent ) { + if ( in_array( $post_status, array( 'draft', 'pending', 'auto-draft' ), true ) + || ( 'inherit' === $post_status && 'revision' === $post_type ) || 'user_request' === $post_type + ) { + return $slug; + } + + /** + * Filters the post slug before it is generated to be unique. + * + * Returning a non-null value will short-circuit the + * unique slug generation, returning the passed value instead. + * + * @since 5.1.0 + * + * @param string|null $override_slug Short-circuit return value. + * @param string $slug The desired slug (post_name). + * @param int $post_id Post ID. + * @param string $post_status The post status. + * @param string $post_type Post type. + * @param int $post_parent Post parent ID. + */ + $override_slug = apply_filters( 'pre_wp_unique_post_slug', null, $slug, $post_id, $post_status, $post_type, $post_parent ); + if ( null !== $override_slug ) { + return $override_slug; + } + + global $wpdb, $wp_rewrite; + + $original_slug = $slug; + + $feeds = $wp_rewrite->feeds; + if ( ! is_array( $feeds ) ) { + $feeds = array(); + } + + if ( 'attachment' === $post_type ) { + // Attachment slugs must be unique across all types. + $check_sql = "SELECT post_name FROM $wpdb->posts WHERE post_name = %s AND ID != %d LIMIT 1"; + $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_id ) ); + + /** + * Filters whether the post slug would make a bad attachment slug. + * + * @since 3.1.0 + * + * @param bool $bad_slug Whether the slug would be bad as an attachment slug. + * @param string $slug The post slug. + */ + $is_bad_attachment_slug = apply_filters( 'wp_unique_post_slug_is_bad_attachment_slug', false, $slug ); + + if ( $post_name_check + || in_array( $slug, $feeds, true ) || 'embed' === $slug + || $is_bad_attachment_slug + ) { + $suffix = 2; + do { + $alt_post_name = _truncate_post_slug( $slug, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix"; + $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $alt_post_name, $post_id ) ); + ++$suffix; + } while ( $post_name_check ); + $slug = $alt_post_name; + } + } elseif ( is_post_type_hierarchical( $post_type ) ) { + if ( 'nav_menu_item' === $post_type ) { + return $slug; + } + + /* + * Page slugs must be unique within their own trees. Pages are in a separate + * namespace than posts so page slugs are allowed to overlap post slugs. + */ + $check_sql = "SELECT post_name FROM $wpdb->posts WHERE post_name = %s AND post_type IN ( %s, 'attachment' ) AND ID != %d AND post_parent = %d LIMIT 1"; + $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_type, $post_id, $post_parent ) ); + + /** + * Filters whether the post slug would make a bad hierarchical post slug. + * + * @since 3.1.0 + * + * @param bool $bad_slug Whether the post slug would be bad in a hierarchical post context. + * @param string $slug The post slug. + * @param string $post_type Post type. + * @param int $post_parent Post parent ID. + */ + $is_bad_hierarchical_slug = apply_filters( 'wp_unique_post_slug_is_bad_hierarchical_slug', false, $slug, $post_type, $post_parent ); + + if ( $post_name_check + || in_array( $slug, $feeds, true ) || 'embed' === $slug + || preg_match( "@^($wp_rewrite->pagination_base)?\d+$@", $slug ) + || $is_bad_hierarchical_slug + ) { + $suffix = 2; + do { + $alt_post_name = _truncate_post_slug( $slug, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix"; + $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $alt_post_name, $post_type, $post_id, $post_parent ) ); + ++$suffix; + } while ( $post_name_check ); + $slug = $alt_post_name; + } + } else { + // Post slugs must be unique across all posts. + $check_sql = "SELECT post_name FROM $wpdb->posts WHERE post_name = %s AND post_type = %s AND ID != %d LIMIT 1"; + $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_type, $post_id ) ); + + $post = get_post( $post_id ); + + // Prevent new post slugs that could result in URLs that conflict with date archives. + $conflicts_with_date_archive = false; + if ( 'post' === $post_type && ( ! $post || $post->post_name !== $slug ) && preg_match( '/^[0-9]+$/', $slug ) ) { + $slug_num = (int) $slug; + + if ( $slug_num ) { + $permastructs = array_values( array_filter( explode( '/', get_option( 'permalink_structure' ) ) ) ); + $postname_index = array_search( '%postname%', $permastructs, true ); + + /* + * Potential date clashes are as follows: + * + * - Any integer in the first permastruct position could be a year. + * - An integer between 1 and 12 that follows 'year' conflicts with 'monthnum'. + * - An integer between 1 and 31 that follows 'monthnum' conflicts with 'day'. + */ + if ( 0 === $postname_index || + ( $postname_index && '%year%' === $permastructs[ $postname_index - 1 ] && 13 > $slug_num ) || + ( $postname_index && '%monthnum%' === $permastructs[ $postname_index - 1 ] && 32 > $slug_num ) + ) { + $conflicts_with_date_archive = true; + } + } + } + + /** + * Filters whether the post slug would be bad as a flat slug. + * + * @since 3.1.0 + * + * @param bool $bad_slug Whether the post slug would be bad as a flat slug. + * @param string $slug The post slug. + * @param string $post_type Post type. + */ + $is_bad_flat_slug = apply_filters( 'wp_unique_post_slug_is_bad_flat_slug', false, $slug, $post_type ); + + if ( $post_name_check + || in_array( $slug, $feeds, true ) || 'embed' === $slug + || $conflicts_with_date_archive + || $is_bad_flat_slug + ) { + $suffix = 2; + do { + $alt_post_name = _truncate_post_slug( $slug, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix"; + $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $alt_post_name, $post_type, $post_id ) ); + ++$suffix; + } while ( $post_name_check ); + $slug = $alt_post_name; + } + } + + /** + * Filters the unique post slug. + * + * @since 3.3.0 + * + * @param string $slug The post slug. + * @param int $post_id Post ID. + * @param string $post_status The post status. + * @param string $post_type Post type. + * @param int $post_parent Post parent ID + * @param string $original_slug The original post slug. + */ + return apply_filters( 'wp_unique_post_slug', $slug, $post_id, $post_status, $post_type, $post_parent, $original_slug ); +} + +/** + * Truncates a post slug. + * + * @since 3.6.0 + * @access private + * + * @see utf8_uri_encode() + * + * @param string $slug The slug to truncate. + * @param int $length Optional. Max length of the slug. Default 200 (characters). + * @return string The truncated slug. + */ +function _truncate_post_slug( $slug, $length = 200 ) { + if ( strlen( $slug ) > $length ) { + $decoded_slug = urldecode( $slug ); + if ( $decoded_slug === $slug ) { + $slug = substr( $slug, 0, $length ); + } else { + $slug = utf8_uri_encode( $decoded_slug, $length, true ); + } + } + + return rtrim( $slug, '-' ); +} + +/** + * Adds tags to a post. + * + * @see wp_set_post_tags() + * + * @since 2.3.0 + * + * @param int $post_id Optional. The Post ID. Does not default to the ID of the global $post. + * @param string|array $tags Optional. An array of tags to set for the post, or a string of tags + * separated by commas. Default empty. + * @return array|false|WP_Error Array of affected term IDs. WP_Error or false on failure. + */ +function wp_add_post_tags( $post_id = 0, $tags = '' ) { + return wp_set_post_tags( $post_id, $tags, true ); +} + +/** + * Sets the tags for a post. + * + * @since 2.3.0 + * + * @see wp_set_object_terms() + * + * @param int $post_id Optional. The Post ID. Does not default to the ID of the global $post. + * @param string|array $tags Optional. An array of tags to set for the post, or a string of tags + * separated by commas. Default empty. + * @param bool $append Optional. If true, don't delete existing tags, just add on. If false, + * replace the tags with the new tags. Default false. + * @return array|false|WP_Error Array of term taxonomy IDs of affected terms. WP_Error or false on failure. + */ +function wp_set_post_tags( $post_id = 0, $tags = '', $append = false ) { + return wp_set_post_terms( $post_id, $tags, 'post_tag', $append ); +} + +/** + * Sets the terms for a post. + * + * @since 2.8.0 + * + * @see wp_set_object_terms() + * + * @param int $post_id Optional. The Post ID. Does not default to the ID of the global $post. + * @param string|array $terms Optional. An array of terms to set for the post, or a string of terms + * separated by commas. Hierarchical taxonomies must always pass IDs rather + * than names so that children with the same names but different parents + * aren't confused. Default empty. + * @param string $taxonomy Optional. Taxonomy name. Default 'post_tag'. + * @param bool $append Optional. If true, don't delete existing terms, just add on. If false, + * replace the terms with the new terms. Default false. + * @return array|false|WP_Error Array of term taxonomy IDs of affected terms. WP_Error or false on failure. + */ +function wp_set_post_terms( $post_id = 0, $terms = '', $taxonomy = 'post_tag', $append = false ) { + $post_id = (int) $post_id; + + if ( ! $post_id ) { + return false; + } + + if ( empty( $terms ) ) { + $terms = array(); + } + + if ( ! is_array( $terms ) ) { + $comma = _x( ',', 'tag delimiter' ); + if ( ',' !== $comma ) { + $terms = str_replace( $comma, ',', $terms ); + } + $terms = explode( ',', trim( $terms, " \n\t\r\0\x0B," ) ); + } + + /* + * Hierarchical taxonomies must always pass IDs rather than names so that + * children with the same names but different parents aren't confused. + */ + if ( is_taxonomy_hierarchical( $taxonomy ) ) { + $terms = array_unique( array_map( 'intval', $terms ) ); + } + + return wp_set_object_terms( $post_id, $terms, $taxonomy, $append ); +} + +/** + * Sets categories for a post. + * + * If no categories are provided, the default category is used. + * + * @since 2.1.0 + * + * @param int $post_id Optional. The Post ID. Does not default to the ID + * of the global $post. Default 0. + * @param int[]|int $post_categories Optional. List of category IDs, or the ID of a single category. + * Default empty array. + * @param bool $append If true, don't delete existing categories, just add on. + * If false, replace the categories with the new categories. + * @return array|false|WP_Error Array of term taxonomy IDs of affected categories. WP_Error or false on failure. + */ +function wp_set_post_categories( $post_id = 0, $post_categories = array(), $append = false ) { + $post_id = (int) $post_id; + $post_type = get_post_type( $post_id ); + $post_status = get_post_status( $post_id ); + + // If $post_categories isn't already an array, make it one. + $post_categories = (array) $post_categories; + + if ( empty( $post_categories ) ) { + /** + * Filters post types (in addition to 'post') that require a default category. + * + * @since 5.5.0 + * + * @param string[] $post_types An array of post type names. Default empty array. + */ + $default_category_post_types = apply_filters( 'default_category_post_types', array() ); + + // Regular posts always require a default category. + $default_category_post_types = array_merge( $default_category_post_types, array( 'post' ) ); + + if ( in_array( $post_type, $default_category_post_types, true ) + && is_object_in_taxonomy( $post_type, 'category' ) + && 'auto-draft' !== $post_status + ) { + $post_categories = array( get_option( 'default_category' ) ); + $append = false; + } else { + $post_categories = array(); + } + } elseif ( 1 === count( $post_categories ) && '' === reset( $post_categories ) ) { + return true; + } + + return wp_set_post_terms( $post_id, $post_categories, 'category', $append ); +} + +/** + * Fires actions related to the transitioning of a post's status. + * + * When a post is saved, the post status is "transitioned" from one status to another, + * though this does not always mean the status has actually changed before and after + * the save. This function fires a number of action hooks related to that transition: + * the generic {@see 'transition_post_status'} action, as well as the dynamic hooks + * {@see '$old_status_to_$new_status'} and {@see '$new_status_$post->post_type'}. Note + * that the function does not transition the post object in the database. + * + * For instance: When publishing a post for the first time, the post status may transition + * from 'draft' – or some other status – to 'publish'. However, if a post is already + * published and is simply being updated, the "old" and "new" statuses may both be 'publish' + * before and after the transition. + * + * @since 2.3.0 + * + * @param string $new_status Transition to this post status. + * @param string $old_status Previous post status. + * @param WP_Post $post Post data. + */ +function wp_transition_post_status( $new_status, $old_status, $post ) { + /** + * Fires when a post is transitioned from one status to another. + * + * @since 2.3.0 + * + * @param string $new_status New post status. + * @param string $old_status Old post status. + * @param WP_Post $post Post object. + */ + do_action( 'transition_post_status', $new_status, $old_status, $post ); + + /** + * Fires when a post is transitioned from one status to another. + * + * The dynamic portions of the hook name, `$new_status` and `$old_status`, + * refer to the old and new post statuses, respectively. + * + * Possible hook names include: + * + * - `draft_to_publish` + * - `publish_to_trash` + * - `pending_to_draft` + * + * @since 2.3.0 + * + * @param WP_Post $post Post object. + */ + do_action( "{$old_status}_to_{$new_status}", $post ); + + /** + * Fires when a post is transitioned from one status to another. + * + * The dynamic portions of the hook name, `$new_status` and `$post->post_type`, + * refer to the new post status and post type, respectively. + * + * Possible hook names include: + * + * - `draft_post` + * - `future_post` + * - `pending_post` + * - `private_post` + * - `publish_post` + * - `trash_post` + * - `draft_page` + * - `future_page` + * - `pending_page` + * - `private_page` + * - `publish_page` + * - `trash_page` + * - `publish_attachment` + * - `trash_attachment` + * + * Please note: When this action is hooked using a particular post status (like + * 'publish', as `publish_{$post->post_type}`), it will fire both when a post is + * first transitioned to that status from something else, as well as upon + * subsequent post updates (old and new status are both the same). + * + * Therefore, if you are looking to only fire a callback when a post is first + * transitioned to a status, use the {@see 'transition_post_status'} hook instead. + * + * @since 2.3.0 + * @since 5.9.0 Added `$old_status` parameter. + * + * @param int $post_id Post ID. + * @param WP_Post $post Post object. + * @param string $old_status Old post status. + */ + do_action( "{$new_status}_{$post->post_type}", $post->ID, $post, $old_status ); +} + +/** + * Fires actions after a post, its terms and meta data has been saved. + * + * @since 5.6.0 + * + * @param int|WP_Post $post The post ID or object that has been saved. + * @param bool $update Whether this is an existing post being updated. + * @param null|WP_Post $post_before Null for new posts, the WP_Post object prior + * to the update for updated posts. + */ +function wp_after_insert_post( $post, $update, $post_before ) { + $post = get_post( $post ); + + if ( ! $post ) { + return; + } + + $post_id = $post->ID; + + /** + * Fires once a post, its terms and meta data has been saved. + * + * @since 5.6.0 + * + * @param int $post_id Post ID. + * @param WP_Post $post Post object. + * @param bool $update Whether this is an existing post being updated. + * @param null|WP_Post $post_before Null for new posts, the WP_Post object prior + * to the update for updated posts. + */ + do_action( 'wp_after_insert_post', $post_id, $post, $update, $post_before ); +} + +// +// Comment, trackback, and pingback functions. +// + +/** + * Adds a URL to those already pinged. + * + * @since 1.5.0 + * @since 4.7.0 `$post` can be a WP_Post object. + * @since 4.7.0 `$uri` can be an array of URIs. + * + * @global wpdb $wpdb WordPress database abstraction object. + * + * @param int|WP_Post $post Post ID or post object. + * @param string|array $uri Ping URI or array of URIs. + * @return int|false How many rows were updated. + */ +function add_ping( $post, $uri ) { + global $wpdb; + + $post = get_post( $post ); + + if ( ! $post ) { + return false; + } + + $pung = trim( $post->pinged ); + $pung = preg_split( '/\s/', $pung ); + + if ( is_array( $uri ) ) { + $pung = array_merge( $pung, $uri ); + } else { + $pung[] = $uri; + } + $new = implode( "\n", $pung ); + + /** + * Filters the new ping URL to add for the given post. + * + * @since 2.0.0 + * + * @param string $new New ping URL to add. + */ + $new = apply_filters( 'add_ping', $new ); + + $return = $wpdb->update( $wpdb->posts, array( 'pinged' => $new ), array( 'ID' => $post->ID ) ); + clean_post_cache( $post->ID ); + return $return; +} + +/** + * Retrieves enclosures already enclosed for a post. + * + * @since 1.5.0 + * + * @param int $post_id Post ID. + * @return string[] Array of enclosures for the given post. + */ +function get_enclosed( $post_id ) { + $custom_fields = get_post_custom( $post_id ); + $pung = array(); + if ( ! is_array( $custom_fields ) ) { + return $pung; + } + + foreach ( $custom_fields as $key => $val ) { + if ( 'enclosure' !== $key || ! is_array( $val ) ) { + continue; + } + foreach ( $val as $enc ) { + $enclosure = explode( "\n", $enc ); + $pung[] = trim( $enclosure[0] ); + } + } + + /** + * Filters the list of enclosures already enclosed for the given post. + * + * @since 2.0.0 + * + * @param string[] $pung Array of enclosures for the given post. + * @param int $post_id Post ID. + */ + return apply_filters( 'get_enclosed', $pung, $post_id ); +} + +/** + * Retrieves URLs already pinged for a post. + * + * @since 1.5.0 + * + * @since 4.7.0 `$post` can be a WP_Post object. + * + * @param int|WP_Post $post Post ID or object. + * @return string[]|false Array of URLs already pinged for the given post, false if the post is not found. + */ +function get_pung( $post ) { + $post = get_post( $post ); + + if ( ! $post ) { + return false; + } + + $pung = trim( $post->pinged ); + $pung = preg_split( '/\s/', $pung ); + + /** + * Filters the list of already-pinged URLs for the given post. + * + * @since 2.0.0 + * + * @param string[] $pung Array of URLs already pinged for the given post. + */ + return apply_filters( 'get_pung', $pung ); +} + +/** + * Retrieves URLs that need to be pinged. + * + * @since 1.5.0 + * @since 4.7.0 `$post` can be a WP_Post object. + * + * @param int|WP_Post $post Post ID or post object. + * @return string[]|false List of URLs yet to ping. + */ +function get_to_ping( $post ) { + $post = get_post( $post ); + + if ( ! $post ) { + return false; + } + + $to_ping = sanitize_trackback_urls( $post->to_ping ); + $to_ping = preg_split( '/\s/', $to_ping, -1, PREG_SPLIT_NO_EMPTY ); + + /** + * Filters the list of URLs yet to ping for the given post. + * + * @since 2.0.0 + * + * @param string[] $to_ping List of URLs yet to ping. + */ + return apply_filters( 'get_to_ping', $to_ping ); +} + +/** + * Does trackbacks for a list of URLs. + * + * @since 1.0.0 + * + * @param string $tb_list Comma separated list of URLs. + * @param int $post_id Post ID. + */ +function trackback_url_list( $tb_list, $post_id ) { + if ( ! empty( $tb_list ) ) { + // Get post data. + $postdata = get_post( $post_id, ARRAY_A ); + + // Form an excerpt. + $excerpt = strip_tags( $postdata['post_excerpt'] ? $postdata['post_excerpt'] : $postdata['post_content'] ); + + if ( strlen( $excerpt ) > 255 ) { + $excerpt = substr( $excerpt, 0, 252 ) . '…'; + } + + $trackback_urls = explode( ',', $tb_list ); + foreach ( (array) $trackback_urls as $tb_url ) { + $tb_url = trim( $tb_url ); + trackback( $tb_url, wp_unslash( $postdata['post_title'] ), $excerpt, $post_id ); + } + } +} + +// +// Page functions. +// + +/** + * Gets a list of page IDs. + * + * @since 2.0.0 + * + * @global wpdb $wpdb WordPress database abstraction object. + * + * @return string[] List of page IDs as strings. + */ +function get_all_page_ids() { + global $wpdb; + + $page_ids = wp_cache_get( 'all_page_ids', 'posts' ); + if ( ! is_array( $page_ids ) ) { + $page_ids = $wpdb->get_col( "SELECT ID FROM $wpdb->posts WHERE post_type = 'page'" ); + wp_cache_add( 'all_page_ids', $page_ids, 'posts' ); + } + + return $page_ids; +} + +/** + * Retrieves page data given a page ID or page object. + * + * Use get_post() instead of get_page(). + * + * @since 1.5.1 + * @deprecated 3.5.0 Use get_post() + * + * @param int|WP_Post $page Page object or page ID. Passed by reference. + * @param string $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which + * correspond to a WP_Post object, an associative array, or a numeric array, + * respectively. Default OBJECT. + * @param string $filter Optional. How the return value should be filtered. Accepts 'raw', + * 'edit', 'db', 'display'. Default 'raw'. + * @return WP_Post|array|null WP_Post or array on success, null on failure. + */ +function get_page( $page, $output = OBJECT, $filter = 'raw' ) { + return get_post( $page, $output, $filter ); +} + +/** + * Retrieves a page given its path. + * + * @since 2.1.0 + * + * @global wpdb $wpdb WordPress database abstraction object. + * + * @param string $page_path Page path. + * @param string $output Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which + * correspond to a WP_Post object, an associative array, or a numeric array, + * respectively. Default OBJECT. + * @param string|array $post_type Optional. Post type or array of post types. Default 'page'. + * @return WP_Post|array|null WP_Post (or array) on success, or null on failure. + */ +function get_page_by_path( $page_path, $output = OBJECT, $post_type = 'page' ) { + global $wpdb; + + $last_changed = wp_cache_get_last_changed( 'posts' ); + + $hash = md5( $page_path . serialize( $post_type ) ); + $cache_key = "get_page_by_path:$hash:$last_changed"; + $cached = wp_cache_get( $cache_key, 'post-queries' ); + if ( false !== $cached ) { + // Special case: '0' is a bad `$page_path`. + if ( '0' === $cached || 0 === $cached ) { + return; + } else { + return get_post( $cached, $output ); + } + } + + $page_path = rawurlencode( urldecode( $page_path ) ); + $page_path = str_replace( '%2F', '/', $page_path ); + $page_path = str_replace( '%20', ' ', $page_path ); + $parts = explode( '/', trim( $page_path, '/' ) ); + $parts = array_map( 'sanitize_title_for_query', $parts ); + $escaped_parts = esc_sql( $parts ); + + $in_string = "'" . implode( "','", $escaped_parts ) . "'"; + + if ( is_array( $post_type ) ) { + $post_types = $post_type; + } else { + $post_types = array( $post_type, 'attachment' ); + } + + $post_types = esc_sql( $post_types ); + $post_type_in_string = "'" . implode( "','", $post_types ) . "'"; + $sql = " + SELECT ID, post_name, post_parent, post_type + FROM $wpdb->posts + WHERE post_name IN ($in_string) + AND post_type IN ($post_type_in_string) + "; + + $pages = $wpdb->get_results( $sql, OBJECT_K ); + + $revparts = array_reverse( $parts ); + + $foundid = 0; + foreach ( (array) $pages as $page ) { + if ( $page->post_name == $revparts[0] ) { + $count = 0; + $p = $page; + + /* + * Loop through the given path parts from right to left, + * ensuring each matches the post ancestry. + */ + while ( 0 != $p->post_parent && isset( $pages[ $p->post_parent ] ) ) { + ++$count; + $parent = $pages[ $p->post_parent ]; + if ( ! isset( $revparts[ $count ] ) || $parent->post_name != $revparts[ $count ] ) { + break; + } + $p = $parent; + } + + if ( 0 == $p->post_parent && count( $revparts ) === $count + 1 && $p->post_name == $revparts[ $count ] ) { + $foundid = $page->ID; + if ( $page->post_type == $post_type ) { + break; + } + } + } + } + + // We cache misses as well as hits. + wp_cache_set( $cache_key, $foundid, 'post-queries' ); + + if ( $foundid ) { + return get_post( $foundid, $output ); + } + + return null; +} + +/** + * Identifies descendants of a given page ID in a list of page objects. + * + * Descendants are identified from the `$pages` array passed to the function. No database queries are performed. + * + * @since 1.5.1 + * + * @param int $page_id Page ID. + * @param WP_Post[] $pages List of page objects from which descendants should be identified. + * @return WP_Post[] List of page children. + */ +function get_page_children( $page_id, $pages ) { + // Build a hash of ID -> children. + $children = array(); + foreach ( (array) $pages as $page ) { + $children[ (int) $page->post_parent ][] = $page; + } + + $page_list = array(); + + // Start the search by looking at immediate children. + if ( isset( $children[ $page_id ] ) ) { + // Always start at the end of the stack in order to preserve original `$pages` order. + $to_look = array_reverse( $children[ $page_id ] ); + + while ( $to_look ) { + $p = array_pop( $to_look ); + $page_list[] = $p; + if ( isset( $children[ $p->ID ] ) ) { + foreach ( array_reverse( $children[ $p->ID ] ) as $child ) { + // Append to the `$to_look` stack to descend the tree. + $to_look[] = $child; + } + } + } + } + + return $page_list; +} + +/** + * Orders the pages with children under parents in a flat list. + * + * It uses auxiliary structure to hold parent-children relationships and + * runs in O(N) complexity + * + * @since 2.0.0 + * + * @param WP_Post[] $pages Posts array (passed by reference). + * @param int $page_id Optional. Parent page ID. Default 0. + * @return string[] Array of post names keyed by ID and arranged by hierarchy. Children immediately follow their parents. + */ +function get_page_hierarchy( &$pages, $page_id = 0 ) { + if ( empty( $pages ) ) { + return array(); + } + + $children = array(); + foreach ( (array) $pages as $p ) { + $parent_id = (int) $p->post_parent; + $children[ $parent_id ][] = $p; + } + + $result = array(); + _page_traverse_name( $page_id, $children, $result ); + + return $result; +} + +/** + * Traverses and return all the nested children post names of a root page. + * + * $children contains parent-children relations + * + * @since 2.9.0 + * @access private + * + * @see _page_traverse_name() + * + * @param int $page_id Page ID. + * @param array $children Parent-children relations (passed by reference). + * @param string[] $result Array of page names keyed by ID (passed by reference). + */ +function _page_traverse_name( $page_id, &$children, &$result ) { + if ( isset( $children[ $page_id ] ) ) { + foreach ( (array) $children[ $page_id ] as $child ) { + $result[ $child->ID ] = $child->post_name; + _page_traverse_name( $child->ID, $children, $result ); + } + } +} + +/** + * Builds the URI path for a page. + * + * Sub pages will be in the "directory" under the parent page post name. + * + * @since 1.5.0 + * @since 4.6.0 The `$page` parameter was made optional. + * + * @param WP_Post|object|int $page Optional. Page ID or WP_Post object. Default is global $post. + * @return string|false Page URI, false on error. + */ +function get_page_uri( $page = 0 ) { + if ( ! $page instanceof WP_Post ) { + $page = get_post( $page ); + } + + if ( ! $page ) { + return false; + } + + $uri = $page->post_name; + + foreach ( $page->ancestors as $parent ) { + $parent = get_post( $parent ); + if ( $parent && $parent->post_name ) { + $uri = $parent->post_name . '/' . $uri; + } + } + + /** + * Filters the URI for a page. + * + * @since 4.4.0 + * + * @param string $uri Page URI. + * @param WP_Post $page Page object. + */ + return apply_filters( 'get_page_uri', $uri, $page ); +} + +/** + * Retrieves an array of pages (or hierarchical post type items). + * + * @since 1.5.0 + * @since 6.3.0 Use WP_Query internally. + * + * @param array|string $args { + * Optional. Array or string of arguments to retrieve pages. + * + * @type int $child_of Page ID to return child and grandchild pages of. Note: The value + * of `$hierarchical` has no bearing on whether `$child_of` returns + * hierarchical results. Default 0, or no restriction. + * @type string $sort_order How to sort retrieved pages. Accepts 'ASC', 'DESC'. Default 'ASC'. + * @type string $sort_column What columns to sort pages by, comma-separated. Accepts 'post_author', + * 'post_date', 'post_title', 'post_name', 'post_modified', 'menu_order', + * 'post_modified_gmt', 'post_parent', 'ID', 'rand', 'comment_count'. + * 'post_' can be omitted for any values that start with it. + * Default 'post_title'. + * @type bool $hierarchical Whether to return pages hierarchically. If false in conjunction with + * `$child_of` also being false, both arguments will be disregarded. + * Default true. + * @type int[] $exclude Array of page IDs to exclude. Default empty array. + * @type int[] $include Array of page IDs to include. Cannot be used with `$child_of`, + * `$parent`, `$exclude`, `$meta_key`, `$meta_value`, or `$hierarchical`. + * Default empty array. + * @type string $meta_key Only include pages with this meta key. Default empty. + * @type string $meta_value Only include pages with this meta value. Requires `$meta_key`. + * Default empty. + * @type string $authors A comma-separated list of author IDs. Default empty. + * @type int $parent Page ID to return direct children of. Default -1, or no restriction. + * @type string|int[] $exclude_tree Comma-separated string or array of page IDs to exclude. + * Default empty array. + * @type int $number The number of pages to return. Default 0, or all pages. + * @type int $offset The number of pages to skip before returning. Requires `$number`. + * Default 0. + * @type string $post_type The post type to query. Default 'page'. + * @type string|array $post_status A comma-separated list or array of post statuses to include. + * Default 'publish'. + * } + * @return WP_Post[]|false Array of pages (or hierarchical post type items). Boolean false if the + * specified post type is not hierarchical or the specified status is not + * supported by the post type. + */ +function get_pages( $args = array() ) { + $defaults = array( + 'child_of' => 0, + 'sort_order' => 'ASC', + 'sort_column' => 'post_title', + 'hierarchical' => 1, + 'exclude' => array(), + 'include' => array(), + 'meta_key' => '', + 'meta_value' => '', + 'authors' => '', + 'parent' => -1, + 'exclude_tree' => array(), + 'number' => '', + 'offset' => 0, + 'post_type' => 'page', + 'post_status' => 'publish', + ); + + $parsed_args = wp_parse_args( $args, $defaults ); + + $number = (int) $parsed_args['number']; + $offset = (int) $parsed_args['offset']; + $child_of = (int) $parsed_args['child_of']; + $hierarchical = $parsed_args['hierarchical']; + $exclude = $parsed_args['exclude']; + $meta_key = $parsed_args['meta_key']; + $meta_value = $parsed_args['meta_value']; + $parent = $parsed_args['parent']; + $post_status = $parsed_args['post_status']; + + // Make sure the post type is hierarchical. + $hierarchical_post_types = get_post_types( array( 'hierarchical' => true ) ); + if ( ! in_array( $parsed_args['post_type'], $hierarchical_post_types, true ) ) { + return false; + } + + if ( $parent > 0 && ! $child_of ) { + $hierarchical = false; + } + + // Make sure we have a valid post status. + if ( ! is_array( $post_status ) ) { + $post_status = explode( ',', $post_status ); + } + if ( array_diff( $post_status, get_post_stati() ) ) { + return false; + } + + $query_args = array( + 'orderby' => 'post_title', + 'order' => 'ASC', + 'post__not_in' => wp_parse_id_list( $exclude ), + 'meta_key' => $meta_key, + 'meta_value' => $meta_value, + 'posts_per_page' => -1, + 'offset' => $offset, + 'post_type' => $parsed_args['post_type'], + 'post_status' => $post_status, + 'update_post_term_cache' => false, + 'update_post_meta_cache' => false, + 'ignore_sticky_posts' => true, + 'no_found_rows' => true, + ); + + if ( ! empty( $parsed_args['include'] ) ) { + $child_of = 0; // Ignore child_of, parent, exclude, meta_key, and meta_value params if using include. + $parent = -1; + unset( $query_args['post__not_in'], $query_args['meta_key'], $query_args['meta_value'] ); + $hierarchical = false; + $query_args['post__in'] = wp_parse_id_list( $parsed_args['include'] ); + } + + if ( ! empty( $parsed_args['authors'] ) ) { + $post_authors = wp_parse_list( $parsed_args['authors'] ); + + if ( ! empty( $post_authors ) ) { + $query_args['author__in'] = array(); + foreach ( $post_authors as $post_author ) { + // Do we have an author id or an author login? + if ( 0 == (int) $post_author ) { + $post_author = get_user_by( 'login', $post_author ); + if ( empty( $post_author ) ) { + continue; + } + if ( empty( $post_author->ID ) ) { + continue; + } + $post_author = $post_author->ID; + } + $query_args['author__in'][] = (int) $post_author; + } + } + } + + if ( is_array( $parent ) ) { + $post_parent__in = array_map( 'absint', (array) $parent ); + if ( ! empty( $post_parent__in ) ) { + $query_args['post_parent__in'] = $post_parent__in; + } + } elseif ( $parent >= 0 ) { + $query_args['post_parent'] = $parent; + } + + /* + * Maintain backward compatibility for `sort_column` key. + * Additionally to `WP_Query`, it has been supporting the `post_modified_gmt` field, so this logic will translate + * it to `post_modified` which should result in the same order given the two dates in the fields match. + */ + $orderby = wp_parse_list( $parsed_args['sort_column'] ); + $orderby = array_map( + static function ( $orderby_field ) { + $orderby_field = trim( $orderby_field ); + if ( 'post_modified_gmt' === $orderby_field || 'modified_gmt' === $orderby_field ) { + $orderby_field = str_replace( '_gmt', '', $orderby_field ); + } + return $orderby_field; + }, + $orderby + ); + if ( $orderby ) { + $query_args['orderby'] = array_fill_keys( $orderby, $parsed_args['sort_order'] ); + } + + $order = $parsed_args['sort_order']; + if ( $order ) { + $query_args['order'] = $order; + } + + if ( ! empty( $number ) ) { + $query_args['posts_per_page'] = $number; + } + + /** + * Filters query arguments passed to WP_Query in get_pages. + * + * @since 6.3.0 + * + * @param array $query_args Array of arguments passed to WP_Query. + * @param array $parsed_args Array of get_pages() arguments. + */ + $query_args = apply_filters( 'get_pages_query_args', $query_args, $parsed_args ); + + $pages = new WP_Query(); + $pages = $pages->query( $query_args ); + + if ( $child_of || $hierarchical ) { + $pages = get_page_children( $child_of, $pages ); + } + + if ( ! empty( $parsed_args['exclude_tree'] ) ) { + $exclude = wp_parse_id_list( $parsed_args['exclude_tree'] ); + foreach ( $exclude as $id ) { + $children = get_page_children( $id, $pages ); + foreach ( $children as $child ) { + $exclude[] = $child->ID; + } + } + + $num_pages = count( $pages ); + for ( $i = 0; $i < $num_pages; $i++ ) { + if ( in_array( $pages[ $i ]->ID, $exclude, true ) ) { + unset( $pages[ $i ] ); + } + } + } + + /** + * Filters the retrieved list of pages. + * + * @since 2.1.0 + * + * @param WP_Post[] $pages Array of page objects. + * @param array $parsed_args Array of get_pages() arguments. + */ + return apply_filters( 'get_pages', $pages, $parsed_args ); +} + +// +// Attachment functions. +// + +/** + * Determines whether an attachment URI is local and really an attachment. + * + * For more information on this and similar theme functions, check out + * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ + * Conditional Tags} article in the Theme Developer Handbook. + * + * @since 2.0.0 + * + * @param string $url URL to check + * @return bool True on success, false on failure. + */ +function is_local_attachment( $url ) { + if ( ! str_contains( $url, home_url() ) ) { + return false; + } + if ( str_contains( $url, home_url( '/?attachment_id=' ) ) ) { + return true; + } + + $id = url_to_postid( $url ); + if ( $id ) { + $post = get_post( $id ); + if ( 'attachment' === $post->post_type ) { + return true; + } + } + return false; +} + +/** + * Inserts an attachment. + * + * If you set the 'ID' in the $args parameter, it will mean that you are + * updating and attempt to update the attachment. You can also set the + * attachment name or title by setting the key 'post_name' or 'post_title'. + * + * You can set the dates for the attachment manually by setting the 'post_date' + * and 'post_date_gmt' keys' values. + * + * By default, the comments will use the default settings for whether the + * comments are allowed. You can close them manually or keep them open by + * setting the value for the 'comment_status' key. + * + * @since 2.0.0 + * @since 4.7.0 Added the `$wp_error` parameter to allow a WP_Error to be returned on failure. + * @since 5.6.0 Added the `$fire_after_hooks` parameter. + * + * @see wp_insert_post() + * + * @param string|array $args Arguments for inserting an attachment. + * @param string|false $file Optional. Filename. Default false. + * @param int $parent_post_id Optional. Parent post ID or 0 for no parent. Default 0. + * @param bool $wp_error Optional. Whether to return a WP_Error on failure. Default false. + * @param bool $fire_after_hooks Optional. Whether to fire the after insert hooks. Default true. + * @return int|WP_Error The attachment ID on success. The value 0 or WP_Error on failure. + */ +function wp_insert_attachment( $args, $file = false, $parent_post_id = 0, $wp_error = false, $fire_after_hooks = true ) { + $defaults = array( + 'file' => $file, + 'post_parent' => 0, + ); + + $data = wp_parse_args( $args, $defaults ); + + if ( ! empty( $parent_post_id ) ) { + $data['post_parent'] = $parent_post_id; + } + + $data['post_type'] = 'attachment'; + + return wp_insert_post( $data, $wp_error, $fire_after_hooks ); +} + +/** + * Trashes or deletes an attachment. + * + * When an attachment is permanently deleted, the file will also be removed. + * Deletion removes all post meta fields, taxonomy, comments, etc. associated + * with the attachment (except the main post). + * + * The attachment is moved to the Trash instead of permanently deleted unless Trash + * for media is disabled, item is already in the Trash, or $force_delete is true. + * + * @since 2.0.0 + * + * @global wpdb $wpdb WordPress database abstraction object. + * + * @param int $post_id Attachment ID. + * @param bool $force_delete Optional. Whether to bypass Trash and force deletion. + * Default false. + * @return WP_Post|false|null Post data on success, false or null on failure. + */ +function wp_delete_attachment( $post_id, $force_delete = false ) { + global $wpdb; + + $post = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->posts WHERE ID = %d", $post_id ) ); + + if ( ! $post ) { + return $post; + } + + $post = get_post( $post ); + + if ( 'attachment' !== $post->post_type ) { + return false; + } + + if ( ! $force_delete && EMPTY_TRASH_DAYS && MEDIA_TRASH && 'trash' !== $post->post_status ) { + return wp_trash_post( $post_id ); + } + + /** + * Filters whether an attachment deletion should take place. + * + * @since 5.5.0 + * + * @param WP_Post|false|null $delete Whether to go forward with deletion. + * @param WP_Post $post Post object. + * @param bool $force_delete Whether to bypass the Trash. + */ + $check = apply_filters( 'pre_delete_attachment', null, $post, $force_delete ); + if ( null !== $check ) { + return $check; + } + + delete_post_meta( $post_id, '_wp_trash_meta_status' ); + delete_post_meta( $post_id, '_wp_trash_meta_time' ); + + $meta = wp_get_attachment_metadata( $post_id ); + $backup_sizes = get_post_meta( $post->ID, '_wp_attachment_backup_sizes', true ); + $file = get_attached_file( $post_id ); + + if ( is_multisite() && is_string( $file ) && ! empty( $file ) ) { + clean_dirsize_cache( $file ); + } + + /** + * Fires before an attachment is deleted, at the start of wp_delete_attachment(). + * + * @since 2.0.0 + * @since 5.5.0 Added the `$post` parameter. + * + * @param int $post_id Attachment ID. + * @param WP_Post $post Post object. + */ + do_action( 'delete_attachment', $post_id, $post ); + + wp_delete_object_term_relationships( $post_id, array( 'category', 'post_tag' ) ); + wp_delete_object_term_relationships( $post_id, get_object_taxonomies( $post->post_type ) ); + + // Delete all for any posts. + delete_metadata( 'post', null, '_thumbnail_id', $post_id, true ); + + wp_defer_comment_counting( true ); + + $comment_ids = $wpdb->get_col( $wpdb->prepare( "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = %d ORDER BY comment_ID DESC", $post_id ) ); + foreach ( $comment_ids as $comment_id ) { + wp_delete_comment( $comment_id, true ); + } + + wp_defer_comment_counting( false ); + + $post_meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE post_id = %d ", $post_id ) ); + foreach ( $post_meta_ids as $mid ) { + delete_metadata_by_mid( 'post', $mid ); + } + + /** This action is documented in wp-includes/post.php */ + do_action( 'delete_post', $post_id, $post ); + $result = $wpdb->delete( $wpdb->posts, array( 'ID' => $post_id ) ); + if ( ! $result ) { + return false; + } + /** This action is documented in wp-includes/post.php */ + do_action( 'deleted_post', $post_id, $post ); + + wp_delete_attachment_files( $post_id, $meta, $backup_sizes, $file ); + + clean_post_cache( $post ); + + return $post; +} + +/** + * Deletes all files that belong to the given attachment. + * + * @since 4.9.7 + * + * @global wpdb $wpdb WordPress database abstraction object. + * + * @param int $post_id Attachment ID. + * @param array $meta The attachment's meta data. + * @param array $backup_sizes The meta data for the attachment's backup images. + * @param string $file Absolute path to the attachment's file. + * @return bool True on success, false on failure. + */ +function wp_delete_attachment_files( $post_id, $meta, $backup_sizes, $file ) { + global $wpdb; + + $uploadpath = wp_get_upload_dir(); + $deleted = true; + + if ( ! empty( $meta['thumb'] ) ) { + // Don't delete the thumb if another attachment uses it. + if ( ! $wpdb->get_row( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE meta_key = '_wp_attachment_metadata' AND meta_value LIKE %s AND post_id <> %d", '%' . $wpdb->esc_like( $meta['thumb'] ) . '%', $post_id ) ) ) { + $thumbfile = str_replace( wp_basename( $file ), $meta['thumb'], $file ); + + if ( ! empty( $thumbfile ) ) { + $thumbfile = path_join( $uploadpath['basedir'], $thumbfile ); + $thumbdir = path_join( $uploadpath['basedir'], dirname( $file ) ); + + if ( ! wp_delete_file_from_directory( $thumbfile, $thumbdir ) ) { + $deleted = false; + } + } + } + } + + // Remove intermediate and backup images if there are any. + if ( isset( $meta['sizes'] ) && is_array( $meta['sizes'] ) ) { + $intermediate_dir = path_join( $uploadpath['basedir'], dirname( $file ) ); + + foreach ( $meta['sizes'] as $size => $sizeinfo ) { + $intermediate_file = str_replace( wp_basename( $file ), $sizeinfo['file'], $file ); + + if ( ! empty( $intermediate_file ) ) { + $intermediate_file = path_join( $uploadpath['basedir'], $intermediate_file ); + + if ( ! wp_delete_file_from_directory( $intermediate_file, $intermediate_dir ) ) { + $deleted = false; + } + } + } + } + + if ( ! empty( $meta['original_image'] ) ) { + if ( empty( $intermediate_dir ) ) { + $intermediate_dir = path_join( $uploadpath['basedir'], dirname( $file ) ); + } + + $original_image = str_replace( wp_basename( $file ), $meta['original_image'], $file ); + + if ( ! empty( $original_image ) ) { + $original_image = path_join( $uploadpath['basedir'], $original_image ); + + if ( ! wp_delete_file_from_directory( $original_image, $intermediate_dir ) ) { + $deleted = false; + } + } + } + + if ( is_array( $backup_sizes ) ) { + $del_dir = path_join( $uploadpath['basedir'], dirname( $meta['file'] ) ); + + foreach ( $backup_sizes as $size ) { + $del_file = path_join( dirname( $meta['file'] ), $size['file'] ); + + if ( ! empty( $del_file ) ) { + $del_file = path_join( $uploadpath['basedir'], $del_file ); + + if ( ! wp_delete_file_from_directory( $del_file, $del_dir ) ) { + $deleted = false; + } + } + } + } + + if ( ! wp_delete_file_from_directory( $file, $uploadpath['basedir'] ) ) { + $deleted = false; + } + + return $deleted; +} + +/** + * Retrieves attachment metadata for attachment ID. + * + * @since 2.1.0 + * @since 6.0.0 The `$filesize` value was added to the returned array. + * + * @param int $attachment_id Attachment post ID. Defaults to global $post. + * @param bool $unfiltered Optional. If true, filters are not run. Default false. + * @return array|false { + * Attachment metadata. False on failure. + * + * @type int $width The width of the attachment. + * @type int $height The height of the attachment. + * @type string $file The file path relative to `wp-content/uploads`. + * @type array $sizes Keys are size slugs, each value is an array containing + * 'file', 'width', 'height', and 'mime-type'. + * @type array $image_meta Image metadata. + * @type int $filesize File size of the attachment. + * } + */ +function wp_get_attachment_metadata( $attachment_id = 0, $unfiltered = false ) { + $attachment_id = (int) $attachment_id; + + if ( ! $attachment_id ) { + $post = get_post(); + + if ( ! $post ) { + return false; + } + + $attachment_id = $post->ID; + } + + $data = get_post_meta( $attachment_id, '_wp_attachment_metadata', true ); + + if ( ! $data ) { + return false; + } + + if ( $unfiltered ) { + return $data; + } + + /** + * Filters the attachment meta data. + * + * @since 2.1.0 + * + * @param array $data Array of meta data for the given attachment. + * @param int $attachment_id Attachment post ID. + */ + return apply_filters( 'wp_get_attachment_metadata', $data, $attachment_id ); +} + +/** + * Updates metadata for an attachment. + * + * @since 2.1.0 + * + * @param int $attachment_id Attachment post ID. + * @param array $data Attachment meta data. + * @return int|false False if $post is invalid. + */ +function wp_update_attachment_metadata( $attachment_id, $data ) { + $attachment_id = (int) $attachment_id; + + $post = get_post( $attachment_id ); + + if ( ! $post ) { + return false; + } + + /** + * Filters the updated attachment meta data. + * + * @since 2.1.0 + * + * @param array $data Array of updated attachment meta data. + * @param int $attachment_id Attachment post ID. + */ + $data = apply_filters( 'wp_update_attachment_metadata', $data, $post->ID ); + if ( $data ) { + return update_post_meta( $post->ID, '_wp_attachment_metadata', $data ); + } else { + return delete_post_meta( $post->ID, '_wp_attachment_metadata' ); + } +} + +/** + * Retrieves the URL for an attachment. + * + * @since 2.1.0 + * + * @global string $pagenow The filename of the current screen. + * + * @param int $attachment_id Optional. Attachment post ID. Defaults to global $post. + * @return string|false Attachment URL, otherwise false. + */ +function wp_get_attachment_url( $attachment_id = 0 ) { + global $pagenow; + + $attachment_id = (int) $attachment_id; + + $post = get_post( $attachment_id ); + + if ( ! $post ) { + return false; + } + + if ( 'attachment' !== $post->post_type ) { + return false; + } + + $url = ''; + // Get attached file. + $file = get_post_meta( $post->ID, '_wp_attached_file', true ); + if ( $file ) { + // Get upload directory. + $uploads = wp_get_upload_dir(); + if ( $uploads && false === $uploads['error'] ) { + // Check that the upload base exists in the file location. + if ( str_starts_with( $file, $uploads['basedir'] ) ) { + // Replace file location with url location. + $url = str_replace( $uploads['basedir'], $uploads['baseurl'], $file ); + } elseif ( str_contains( $file, 'wp-content/uploads' ) ) { + // Get the directory name relative to the basedir (back compat for pre-2.7 uploads). + $url = trailingslashit( $uploads['baseurl'] . '/' . _wp_get_attachment_relative_path( $file ) ) . wp_basename( $file ); + } else { + // It's a newly-uploaded file, therefore $file is relative to the basedir. + $url = $uploads['baseurl'] . "/$file"; + } + } + } + + /* + * If any of the above options failed, Fallback on the GUID as used pre-2.7, + * not recommended to rely upon this. + */ + if ( ! $url ) { + $url = get_the_guid( $post->ID ); + } + + // On SSL front end, URLs should be HTTPS. + if ( is_ssl() && ! is_admin() && 'wp-login.php' !== $pagenow ) { + $url = set_url_scheme( $url ); + } + + /** + * Filters the attachment URL. + * + * @since 2.1.0 + * + * @param string $url URL for the given attachment. + * @param int $attachment_id Attachment post ID. + */ + $url = apply_filters( 'wp_get_attachment_url', $url, $post->ID ); + + if ( ! $url ) { + return false; + } + + return $url; +} + +/** + * Retrieves the caption for an attachment. + * + * @since 4.6.0 + * + * @param int $post_id Optional. Attachment ID. Default is the ID of the global `$post`. + * @return string|false Attachment caption on success, false on failure. + */ +function wp_get_attachment_caption( $post_id = 0 ) { + $post_id = (int) $post_id; + $post = get_post( $post_id ); + + if ( ! $post ) { + return false; + } + + if ( 'attachment' !== $post->post_type ) { + return false; + } + + $caption = $post->post_excerpt; + + /** + * Filters the attachment caption. + * + * @since 4.6.0 + * + * @param string $caption Caption for the given attachment. + * @param int $post_id Attachment ID. + */ + return apply_filters( 'wp_get_attachment_caption', $caption, $post->ID ); +} + +/** + * Retrieves URL for an attachment thumbnail. + * + * @since 2.1.0 + * @since 6.1.0 Changed to use wp_get_attachment_image_url(). + * + * @param int $post_id Optional. Attachment ID. Default is the ID of the global `$post`. + * @return string|false Thumbnail URL on success, false on failure. + */ +function wp_get_attachment_thumb_url( $post_id = 0 ) { + $post_id = (int) $post_id; + + /* + * This uses image_downsize() which also looks for the (very) old format $image_meta['thumb'] + * when the newer format $image_meta['sizes']['thumbnail'] doesn't exist. + */ + $thumbnail_url = wp_get_attachment_image_url( $post_id, 'thumbnail' ); + + if ( empty( $thumbnail_url ) ) { + return false; + } + + /** + * Filters the attachment thumbnail URL. + * + * @since 2.1.0 + * + * @param string $thumbnail_url URL for the attachment thumbnail. + * @param int $post_id Attachment ID. + */ + return apply_filters( 'wp_get_attachment_thumb_url', $thumbnail_url, $post_id ); +} + +/** + * Verifies an attachment is of a given type. + * + * @since 4.2.0 + * + * @param string $type Attachment type. Accepts 'image', 'audio', or 'video'. + * @param int|WP_Post $post Optional. Attachment ID or object. Default is global $post. + * @return bool True if one of the accepted types, false otherwise. + */ +function wp_attachment_is( $type, $post = null ) { + $post = get_post( $post ); + + if ( ! $post ) { + return false; + } + + $file = get_attached_file( $post->ID ); + + if ( ! $file ) { + return false; + } + + if ( str_starts_with( $post->post_mime_type, $type . '/' ) ) { + return true; + } + + $check = wp_check_filetype( $file ); + + if ( empty( $check['ext'] ) ) { + return false; + } + + $ext = $check['ext']; + + if ( 'import' !== $post->post_mime_type ) { + return $type === $ext; + } + + switch ( $type ) { + case 'image': + $image_exts = array( 'jpg', 'jpeg', 'jpe', 'gif', 'png', 'webp' ); + return in_array( $ext, $image_exts, true ); + + case 'audio': + return in_array( $ext, wp_get_audio_extensions(), true ); + + case 'video': + return in_array( $ext, wp_get_video_extensions(), true ); + + default: + return $type === $ext; + } +} + +/** + * Determines whether an attachment is an image. + * + * For more information on this and similar theme functions, check out + * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ + * Conditional Tags} article in the Theme Developer Handbook. + * + * @since 2.1.0 + * @since 4.2.0 Modified into wrapper for wp_attachment_is() and + * allowed WP_Post object to be passed. + * + * @param int|WP_Post $post Optional. Attachment ID or object. Default is global $post. + * @return bool Whether the attachment is an image. + */ +function wp_attachment_is_image( $post = null ) { + return wp_attachment_is( 'image', $post ); +} + +/** + * Retrieves the icon for a MIME type or attachment. + * + * @since 2.1.0 + * + * @param string|int $mime MIME type or attachment ID. + * @return string|false Icon, false otherwise. + */ +function wp_mime_type_icon( $mime = 0 ) { + if ( ! is_numeric( $mime ) ) { + $icon = wp_cache_get( "mime_type_icon_$mime" ); + } + + $post_id = 0; + if ( empty( $icon ) ) { + $post_mimes = array(); + if ( is_numeric( $mime ) ) { + $mime = (int) $mime; + $post = get_post( $mime ); + if ( $post ) { + $post_id = (int) $post->ID; + $file = get_attached_file( $post_id ); + $ext = preg_replace( '/^.+?\.([^.]+)$/', '$1', $file ); + if ( ! empty( $ext ) ) { + $post_mimes[] = $ext; + $ext_type = wp_ext2type( $ext ); + if ( $ext_type ) { + $post_mimes[] = $ext_type; + } + } + $mime = $post->post_mime_type; + } else { + $mime = 0; + } + } else { + $post_mimes[] = $mime; + } + + $icon_files = wp_cache_get( 'icon_files' ); + + if ( ! is_array( $icon_files ) ) { + /** + * Filters the icon directory path. + * + * @since 2.0.0 + * + * @param string $path Icon directory absolute path. + */ + $icon_dir = apply_filters( 'icon_dir', ABSPATH . WPINC . '/images/media' ); + + /** + * Filters the icon directory URI. + * + * @since 2.0.0 + * + * @param string $uri Icon directory URI. + */ + $icon_dir_uri = apply_filters( 'icon_dir_uri', includes_url( 'images/media' ) ); + + /** + * Filters the array of icon directory URIs. + * + * @since 2.5.0 + * + * @param string[] $uris Array of icon directory URIs keyed by directory absolute path. + */ + $dirs = apply_filters( 'icon_dirs', array( $icon_dir => $icon_dir_uri ) ); + $icon_files = array(); + while ( $dirs ) { + $keys = array_keys( $dirs ); + $dir = array_shift( $keys ); + $uri = array_shift( $dirs ); + $dh = opendir( $dir ); + if ( $dh ) { + while ( false !== $file = readdir( $dh ) ) { + $file = wp_basename( $file ); + if ( str_starts_with( $file, '.' ) ) { + continue; + } + + $ext = strtolower( substr( $file, -4 ) ); + if ( ! in_array( $ext, array( '.png', '.gif', '.jpg' ), true ) ) { + if ( is_dir( "$dir/$file" ) ) { + $dirs[ "$dir/$file" ] = "$uri/$file"; + } + continue; + } + $icon_files[ "$dir/$file" ] = "$uri/$file"; + } + closedir( $dh ); + } + } + wp_cache_add( 'icon_files', $icon_files, 'default', 600 ); + } + + $types = array(); + // Icon wp_basename - extension = MIME wildcard. + foreach ( $icon_files as $file => $uri ) { + $types[ preg_replace( '/^([^.]*).*$/', '$1', wp_basename( $file ) ) ] =& $icon_files[ $file ]; + } + + if ( ! empty( $mime ) ) { + $post_mimes[] = substr( $mime, 0, strpos( $mime, '/' ) ); + $post_mimes[] = substr( $mime, strpos( $mime, '/' ) + 1 ); + $post_mimes[] = str_replace( '/', '_', $mime ); + } + + $matches = wp_match_mime_types( array_keys( $types ), $post_mimes ); + $matches['default'] = array( 'default' ); + + foreach ( $matches as $match => $wilds ) { + foreach ( $wilds as $wild ) { + if ( ! isset( $types[ $wild ] ) ) { + continue; + } + + $icon = $types[ $wild ]; + if ( ! is_numeric( $mime ) ) { + wp_cache_add( "mime_type_icon_$mime", $icon ); + } + break 2; + } + } + } + + /** + * Filters the mime type icon. + * + * @since 2.1.0 + * + * @param string $icon Path to the mime type icon. + * @param string $mime Mime type. + * @param int $post_id Attachment ID. Will equal 0 if the function passed + * the mime type. + */ + return apply_filters( 'wp_mime_type_icon', $icon, $mime, $post_id ); +} + +/** + * Checks for changed slugs for published post objects and save the old slug. + * + * The function is used when a post object of any type is updated, + * by comparing the current and previous post objects. + * + * If the slug was changed and not already part of the old slugs then it will be + * added to the post meta field ('_wp_old_slug') for storing old slugs for that + * post. + * + * The most logically usage of this function is redirecting changed post objects, so + * that those that linked to an changed post will be redirected to the new post. + * + * @since 2.1.0 + * + * @param int $post_id Post ID. + * @param WP_Post $post The post object. + * @param WP_Post $post_before The previous post object. + */ +function wp_check_for_changed_slugs( $post_id, $post, $post_before ) { + // Don't bother if it hasn't changed. + if ( $post->post_name == $post_before->post_name ) { + return; + } + + // We're only concerned with published, non-hierarchical objects. + if ( ! ( 'publish' === $post->post_status || ( 'attachment' === get_post_type( $post ) && 'inherit' === $post->post_status ) ) || is_post_type_hierarchical( $post->post_type ) ) { + return; + } + + $old_slugs = (array) get_post_meta( $post_id, '_wp_old_slug' ); + + // If we haven't added this old slug before, add it now. + if ( ! empty( $post_before->post_name ) && ! in_array( $post_before->post_name, $old_slugs, true ) ) { + add_post_meta( $post_id, '_wp_old_slug', $post_before->post_name ); + } + + // If the new slug was used previously, delete it from the list. + if ( in_array( $post->post_name, $old_slugs, true ) ) { + delete_post_meta( $post_id, '_wp_old_slug', $post->post_name ); + } +} + +/** + * Checks for changed dates for published post objects and save the old date. + * + * The function is used when a post object of any type is updated, + * by comparing the current and previous post objects. + * + * If the date was changed and not already part of the old dates then it will be + * added to the post meta field ('_wp_old_date') for storing old dates for that + * post. + * + * The most logically usage of this function is redirecting changed post objects, so + * that those that linked to an changed post will be redirected to the new post. + * + * @since 4.9.3 + * + * @param int $post_id Post ID. + * @param WP_Post $post The post object. + * @param WP_Post $post_before The previous post object. + */ +function wp_check_for_changed_dates( $post_id, $post, $post_before ) { + $previous_date = gmdate( 'Y-m-d', strtotime( $post_before->post_date ) ); + $new_date = gmdate( 'Y-m-d', strtotime( $post->post_date ) ); + + // Don't bother if it hasn't changed. + if ( $new_date == $previous_date ) { + return; + } + + // We're only concerned with published, non-hierarchical objects. + if ( ! ( 'publish' === $post->post_status || ( 'attachment' === get_post_type( $post ) && 'inherit' === $post->post_status ) ) || is_post_type_hierarchical( $post->post_type ) ) { + return; + } + + $old_dates = (array) get_post_meta( $post_id, '_wp_old_date' ); + + // If we haven't added this old date before, add it now. + if ( ! empty( $previous_date ) && ! in_array( $previous_date, $old_dates, true ) ) { + add_post_meta( $post_id, '_wp_old_date', $previous_date ); + } + + // If the new slug was used previously, delete it from the list. + if ( in_array( $new_date, $old_dates, true ) ) { + delete_post_meta( $post_id, '_wp_old_date', $new_date ); + } +} + +/** + * Retrieves the private post SQL based on capability. + * + * This function provides a standardized way to appropriately select on the + * post_status of a post type. The function will return a piece of SQL code + * that can be added to a WHERE clause; this SQL is constructed to allow all + * published posts, and all private posts to which the user has access. + * + * @since 2.2.0 + * @since 4.3.0 Added the ability to pass an array to `$post_type`. + * + * @param string|array $post_type Single post type or an array of post types. Currently only supports 'post' or 'page'. + * @return string SQL code that can be added to a where clause. + */ +function get_private_posts_cap_sql( $post_type ) { + return get_posts_by_author_sql( $post_type, false ); +} + +/** + * Retrieves the post SQL based on capability, author, and type. + * + * @since 3.0.0 + * @since 4.3.0 Introduced the ability to pass an array of post types to `$post_type`. + * + * @see get_private_posts_cap_sql() + * @global wpdb $wpdb WordPress database abstraction object. + * + * @param string|string[] $post_type Single post type or an array of post types. + * @param bool $full Optional. Returns a full WHERE statement instead of just + * an 'andalso' term. Default true. + * @param int $post_author Optional. Query posts having a single author ID. Default null. + * @param bool $public_only Optional. Only return public posts. Skips cap checks for + * $current_user. Default false. + * @return string SQL WHERE code that can be added to a query. + */ +function get_posts_by_author_sql( $post_type, $full = true, $post_author = null, $public_only = false ) { + global $wpdb; + + if ( is_array( $post_type ) ) { + $post_types = $post_type; + } else { + $post_types = array( $post_type ); + } + + $post_type_clauses = array(); + foreach ( $post_types as $post_type ) { + $post_type_obj = get_post_type_object( $post_type ); + + if ( ! $post_type_obj ) { + continue; + } + + /** + * Filters the capability to read private posts for a custom post type + * when generating SQL for getting posts by author. + * + * @since 2.2.0 + * @deprecated 3.2.0 The hook transitioned from "somewhat useless" to "totally useless". + * + * @param string $cap Capability. + */ + $cap = apply_filters_deprecated( 'pub_priv_sql_capability', array( '' ), '3.2.0' ); + + if ( ! $cap ) { + $cap = current_user_can( $post_type_obj->cap->read_private_posts ); + } + + // Only need to check the cap if $public_only is false. + $post_status_sql = "post_status = 'publish'"; + + if ( false === $public_only ) { + if ( $cap ) { + // Does the user have the capability to view private posts? Guess so. + $post_status_sql .= " OR post_status = 'private'"; + } elseif ( is_user_logged_in() ) { + // Users can view their own private posts. + $id = get_current_user_id(); + if ( null === $post_author || ! $full ) { + $post_status_sql .= " OR post_status = 'private' AND post_author = $id"; + } elseif ( $id == (int) $post_author ) { + $post_status_sql .= " OR post_status = 'private'"; + } // Else none. + } // Else none. + } + + $post_type_clauses[] = "( post_type = '" . $post_type . "' AND ( $post_status_sql ) )"; + } + + if ( empty( $post_type_clauses ) ) { + return $full ? 'WHERE 1 = 0' : '1 = 0'; + } + + $sql = '( ' . implode( ' OR ', $post_type_clauses ) . ' )'; + + if ( null !== $post_author ) { + $sql .= $wpdb->prepare( ' AND post_author = %d', $post_author ); + } + + if ( $full ) { + $sql = 'WHERE ' . $sql; + } + + return $sql; +} + +/** + * Retrieves the most recent time that a post on the site was published. + * + * The server timezone is the default and is the difference between GMT and + * server time. The 'blog' value is the date when the last post was posted. + * The 'gmt' is when the last post was posted in GMT formatted date. + * + * @since 0.71 + * @since 4.4.0 The `$post_type` argument was added. + * + * @param string $timezone Optional. The timezone for the timestamp. Accepts 'server', 'blog', or 'gmt'. + * 'server' uses the server's internal timezone. + * 'blog' uses the `post_date` field, which proxies to the timezone set for the site. + * 'gmt' uses the `post_date_gmt` field. + * Default 'server'. + * @param string $post_type Optional. The post type to check. Default 'any'. + * @return string The date of the last post, or false on failure. + */ +function get_lastpostdate( $timezone = 'server', $post_type = 'any' ) { + $lastpostdate = _get_last_post_time( $timezone, 'date', $post_type ); + + /** + * Filters the most recent time that a post on the site was published. + * + * @since 2.3.0 + * @since 5.5.0 Added the `$post_type` parameter. + * + * @param string|false $lastpostdate The most recent time that a post was published, + * in 'Y-m-d H:i:s' format. False on failure. + * @param string $timezone Location to use for getting the post published date. + * See get_lastpostdate() for accepted `$timezone` values. + * @param string $post_type The post type to check. + */ + return apply_filters( 'get_lastpostdate', $lastpostdate, $timezone, $post_type ); +} + +/** + * Gets the most recent time that a post on the site was modified. + * + * The server timezone is the default and is the difference between GMT and + * server time. The 'blog' value is just when the last post was modified. + * The 'gmt' is when the last post was modified in GMT time. + * + * @since 1.2.0 + * @since 4.4.0 The `$post_type` argument was added. + * + * @param string $timezone Optional. The timezone for the timestamp. See get_lastpostdate() + * for information on accepted values. + * Default 'server'. + * @param string $post_type Optional. The post type to check. Default 'any'. + * @return string The timestamp in 'Y-m-d H:i:s' format, or false on failure. + */ +function get_lastpostmodified( $timezone = 'server', $post_type = 'any' ) { + /** + * Pre-filter the return value of get_lastpostmodified() before the query is run. + * + * @since 4.4.0 + * + * @param string|false $lastpostmodified The most recent time that a post was modified, + * in 'Y-m-d H:i:s' format, or false. Returning anything + * other than false will short-circuit the function. + * @param string $timezone Location to use for getting the post modified date. + * See get_lastpostdate() for accepted `$timezone` values. + * @param string $post_type The post type to check. + */ + $lastpostmodified = apply_filters( 'pre_get_lastpostmodified', false, $timezone, $post_type ); + + if ( false !== $lastpostmodified ) { + return $lastpostmodified; + } + + $lastpostmodified = _get_last_post_time( $timezone, 'modified', $post_type ); + $lastpostdate = get_lastpostdate( $timezone, $post_type ); + + if ( $lastpostdate > $lastpostmodified ) { + $lastpostmodified = $lastpostdate; + } + + /** + * Filters the most recent time that a post on the site was modified. + * + * @since 2.3.0 + * @since 5.5.0 Added the `$post_type` parameter. + * + * @param string|false $lastpostmodified The most recent time that a post was modified, + * in 'Y-m-d H:i:s' format. False on failure. + * @param string $timezone Location to use for getting the post modified date. + * See get_lastpostdate() for accepted `$timezone` values. + * @param string $post_type The post type to check. + */ + return apply_filters( 'get_lastpostmodified', $lastpostmodified, $timezone, $post_type ); +} + +/** + * Gets the timestamp of the last time any post was modified or published. + * + * @since 3.1.0 + * @since 4.4.0 The `$post_type` argument was added. + * @access private + * + * @global wpdb $wpdb WordPress database abstraction object. + * + * @param string $timezone The timezone for the timestamp. See get_lastpostdate(). + * for information on accepted values. + * @param string $field Post field to check. Accepts 'date' or 'modified'. + * @param string $post_type Optional. The post type to check. Default 'any'. + * @return string|false The timestamp in 'Y-m-d H:i:s' format, or false on failure. + */ +function _get_last_post_time( $timezone, $field, $post_type = 'any' ) { + global $wpdb; + + if ( ! in_array( $field, array( 'date', 'modified' ), true ) ) { + return false; + } + + $timezone = strtolower( $timezone ); + + $key = "lastpost{$field}:$timezone"; + if ( 'any' !== $post_type ) { + $key .= ':' . sanitize_key( $post_type ); + } + + $date = wp_cache_get( $key, 'timeinfo' ); + if ( false !== $date ) { + return $date; + } + + if ( 'any' === $post_type ) { + $post_types = get_post_types( array( 'public' => true ) ); + array_walk( $post_types, array( $wpdb, 'escape_by_ref' ) ); + $post_types = "'" . implode( "', '", $post_types ) . "'"; + } else { + $post_types = "'" . sanitize_key( $post_type ) . "'"; + } + + switch ( $timezone ) { + case 'gmt': + $date = $wpdb->get_var( "SELECT post_{$field}_gmt FROM $wpdb->posts WHERE post_status = 'publish' AND post_type IN ({$post_types}) ORDER BY post_{$field}_gmt DESC LIMIT 1" ); + break; + case 'blog': + $date = $wpdb->get_var( "SELECT post_{$field} FROM $wpdb->posts WHERE post_status = 'publish' AND post_type IN ({$post_types}) ORDER BY post_{$field}_gmt DESC LIMIT 1" ); + break; + case 'server': + $add_seconds_server = gmdate( 'Z' ); + $date = $wpdb->get_var( "SELECT DATE_ADD(post_{$field}_gmt, INTERVAL '$add_seconds_server' SECOND) FROM $wpdb->posts WHERE post_status = 'publish' AND post_type IN ({$post_types}) ORDER BY post_{$field}_gmt DESC LIMIT 1" ); + break; + } + + if ( $date ) { + wp_cache_set( $key, $date, 'timeinfo' ); + + return $date; + } + + return false; +} + +/** + * Updates posts in cache. + * + * @since 1.5.1 + * + * @param WP_Post[] $posts Array of post objects (passed by reference). + */ +function update_post_cache( &$posts ) { + if ( ! $posts ) { + return; + } + + $data = array(); + foreach ( $posts as $post ) { + if ( empty( $post->filter ) || 'raw' !== $post->filter ) { + $post = sanitize_post( $post, 'raw' ); + } + $data[ $post->ID ] = $post; + } + wp_cache_add_multiple( $data, 'posts' ); +} + +/** + * Will clean the post in the cache. + * + * Cleaning means delete from the cache of the post. Will call to clean the term + * object cache associated with the post ID. + * + * This function not run if $_wp_suspend_cache_invalidation is not empty. See + * wp_suspend_cache_invalidation(). + * + * @since 2.0.0 + * + * @global bool $_wp_suspend_cache_invalidation + * + * @param int|WP_Post $post Post ID or post object to remove from the cache. + */ +function clean_post_cache( $post ) { + global $_wp_suspend_cache_invalidation; + + if ( ! empty( $_wp_suspend_cache_invalidation ) ) { + return; + } + + $post = get_post( $post ); + + if ( ! $post ) { + return; + } + + wp_cache_delete( $post->ID, 'posts' ); + wp_cache_delete( 'post_parent:' . (string) $post->ID, 'posts' ); + wp_cache_delete( $post->ID, 'post_meta' ); + + clean_object_term_cache( $post->ID, $post->post_type ); + + wp_cache_delete( 'wp_get_archives', 'general' ); + + /** + * Fires immediately after the given post's cache is cleaned. + * + * @since 2.5.0 + * + * @param int $post_id Post ID. + * @param WP_Post $post Post object. + */ + do_action( 'clean_post_cache', $post->ID, $post ); + + if ( 'page' === $post->post_type ) { + wp_cache_delete( 'all_page_ids', 'posts' ); + + /** + * Fires immediately after the given page's cache is cleaned. + * + * @since 2.5.0 + * + * @param int $post_id Post ID. + */ + do_action( 'clean_page_cache', $post->ID ); + } + + wp_cache_set_posts_last_changed(); +} + +/** + * Updates post, term, and metadata caches for a list of post objects. + * + * @since 1.5.0 + * + * @param WP_Post[] $posts Array of post objects (passed by reference). + * @param string $post_type Optional. Post type. Default 'post'. + * @param bool $update_term_cache Optional. Whether to update the term cache. Default true. + * @param bool $update_meta_cache Optional. Whether to update the meta cache. Default true. + */ +function update_post_caches( &$posts, $post_type = 'post', $update_term_cache = true, $update_meta_cache = true ) { + // No point in doing all this work if we didn't match any posts. + if ( ! $posts ) { + return; + } + + update_post_cache( $posts ); + + $post_ids = array(); + foreach ( $posts as $post ) { + $post_ids[] = $post->ID; + } + + if ( ! $post_type ) { + $post_type = 'any'; + } + + if ( $update_term_cache ) { + if ( is_array( $post_type ) ) { + $ptypes = $post_type; + } elseif ( 'any' === $post_type ) { + $ptypes = array(); + // Just use the post_types in the supplied posts. + foreach ( $posts as $post ) { + $ptypes[] = $post->post_type; + } + $ptypes = array_unique( $ptypes ); + } else { + $ptypes = array( $post_type ); + } + + if ( ! empty( $ptypes ) ) { + update_object_term_cache( $post_ids, $ptypes ); + } + } + + if ( $update_meta_cache ) { + update_postmeta_cache( $post_ids ); + } +} + +/** + * Updates post author user caches for a list of post objects. + * + * @since 6.1.0 + * + * @param WP_Post[] $posts Array of post objects. + */ +function update_post_author_caches( $posts ) { + /* + * cache_users() is a pluggable function so is not available prior + * to the `plugins_loaded` hook firing. This is to ensure against + * fatal errors when the function is not available. + */ + if ( ! function_exists( 'cache_users' ) ) { + return; + } + + $author_ids = wp_list_pluck( $posts, 'post_author' ); + $author_ids = array_map( 'absint', $author_ids ); + $author_ids = array_unique( array_filter( $author_ids ) ); + + cache_users( $author_ids ); +} + +/** + * Updates parent post caches for a list of post objects. + * + * @since 6.1.0 + * + * @param WP_Post[] $posts Array of post objects. + */ +function update_post_parent_caches( $posts ) { + $parent_ids = wp_list_pluck( $posts, 'post_parent' ); + $parent_ids = array_map( 'absint', $parent_ids ); + $parent_ids = array_unique( array_filter( $parent_ids ) ); + + if ( ! empty( $parent_ids ) ) { + _prime_post_caches( $parent_ids, false ); + } +} + +/** + * Updates metadata cache for a list of post IDs. + * + * Performs SQL query to retrieve the metadata for the post IDs and updates the + * metadata cache for the posts. Therefore, the functions, which call this + * function, do not need to perform SQL queries on their own. + * + * @since 2.1.0 + * + * @param int[] $post_ids Array of post IDs. + * @return array|false An array of metadata on success, false if there is nothing to update. + */ +function update_postmeta_cache( $post_ids ) { + return update_meta_cache( 'post', $post_ids ); +} + +/** + * Will clean the attachment in the cache. + * + * Cleaning means delete from the cache. Optionally will clean the term + * object cache associated with the attachment ID. + * + * This function will not run if $_wp_suspend_cache_invalidation is not empty. + * + * @since 3.0.0 + * + * @global bool $_wp_suspend_cache_invalidation + * + * @param int $id The attachment ID in the cache to clean. + * @param bool $clean_terms Optional. Whether to clean terms cache. Default false. + */ +function clean_attachment_cache( $id, $clean_terms = false ) { + global $_wp_suspend_cache_invalidation; + + if ( ! empty( $_wp_suspend_cache_invalidation ) ) { + return; + } + + $id = (int) $id; + + wp_cache_delete( $id, 'posts' ); + wp_cache_delete( $id, 'post_meta' ); + + if ( $clean_terms ) { + clean_object_term_cache( $id, 'attachment' ); + } + + /** + * Fires after the given attachment's cache is cleaned. + * + * @since 3.0.0 + * + * @param int $id Attachment ID. + */ + do_action( 'clean_attachment_cache', $id ); +} + +// +// Hooks. +// + +/** + * Hook for managing future post transitions to published. + * + * @since 2.3.0 + * @access private + * + * @see wp_clear_scheduled_hook() + * @global wpdb $wpdb WordPress database abstraction object. + * + * @param string $new_status New post status. + * @param string $old_status Previous post status. + * @param WP_Post $post Post object. + */ +function _transition_post_status( $new_status, $old_status, $post ) { + global $wpdb; + + if ( 'publish' !== $old_status && 'publish' === $new_status ) { + // Reset GUID if transitioning to publish and it is empty. + if ( '' === get_the_guid( $post->ID ) ) { + $wpdb->update( $wpdb->posts, array( 'guid' => get_permalink( $post->ID ) ), array( 'ID' => $post->ID ) ); + } + + /** + * Fires when a post's status is transitioned from private to published. + * + * @since 1.5.0 + * @deprecated 2.3.0 Use {@see 'private_to_publish'} instead. + * + * @param int $post_id Post ID. + */ + do_action_deprecated( 'private_to_published', array( $post->ID ), '2.3.0', 'private_to_publish' ); + } + + // If published posts changed clear the lastpostmodified cache. + if ( 'publish' === $new_status || 'publish' === $old_status ) { + foreach ( array( 'server', 'gmt', 'blog' ) as $timezone ) { + wp_cache_delete( "lastpostmodified:$timezone", 'timeinfo' ); + wp_cache_delete( "lastpostdate:$timezone", 'timeinfo' ); + wp_cache_delete( "lastpostdate:$timezone:{$post->post_type}", 'timeinfo' ); + } + } + + if ( $new_status !== $old_status ) { + wp_cache_delete( _count_posts_cache_key( $post->post_type ), 'counts' ); + wp_cache_delete( _count_posts_cache_key( $post->post_type, 'readable' ), 'counts' ); + } + + // Always clears the hook in case the post status bounced from future to draft. + wp_clear_scheduled_hook( 'publish_future_post', array( $post->ID ) ); +} + +/** + * Hook used to schedule publication for a post marked for the future. + * + * The $post properties used and must exist are 'ID' and 'post_date_gmt'. + * + * @since 2.3.0 + * @access private + * + * @param int $deprecated Not used. Can be set to null. Never implemented. Not marked + * as deprecated with _deprecated_argument() as it conflicts with + * wp_transition_post_status() and the default filter for _future_post_hook(). + * @param WP_Post $post Post object. + */ +function _future_post_hook( $deprecated, $post ) { + wp_clear_scheduled_hook( 'publish_future_post', array( $post->ID ) ); + wp_schedule_single_event( strtotime( get_gmt_from_date( $post->post_date ) . ' GMT' ), 'publish_future_post', array( $post->ID ) ); +} + +/** + * Hook to schedule pings and enclosures when a post is published. + * + * Uses XMLRPC_REQUEST and WP_IMPORTING constants. + * + * @since 2.3.0 + * @access private + * + * @param int $post_id The ID of the post being published. + */ +function _publish_post_hook( $post_id ) { + if ( defined( 'XMLRPC_REQUEST' ) ) { + /** + * Fires when _publish_post_hook() is called during an XML-RPC request. + * + * @since 2.1.0 + * + * @param int $post_id Post ID. + */ + do_action( 'xmlrpc_publish_post', $post_id ); + } + + if ( defined( 'WP_IMPORTING' ) ) { + return; + } + + if ( get_option( 'default_pingback_flag' ) ) { + add_post_meta( $post_id, '_pingme', '1', true ); + } + add_post_meta( $post_id, '_encloseme', '1', true ); + + $to_ping = get_to_ping( $post_id ); + if ( ! empty( $to_ping ) ) { + add_post_meta( $post_id, '_trackbackme', '1' ); + } + + if ( ! wp_next_scheduled( 'do_pings' ) ) { + wp_schedule_single_event( time(), 'do_pings' ); + } +} + +/** + * Returns the ID of the post's parent. + * + * @since 3.1.0 + * @since 5.9.0 The `$post` parameter was made optional. + * + * @param int|WP_Post|null $post Optional. Post ID or post object. Defaults to global $post. + * @return int|false Post parent ID (which can be 0 if there is no parent), + * or false if the post does not exist. + */ +function wp_get_post_parent_id( $post = null ) { + $post = get_post( $post ); + + if ( ! $post || is_wp_error( $post ) ) { + return false; + } + + return (int) $post->post_parent; +} + +/** + * Checks the given subset of the post hierarchy for hierarchy loops. + * + * Prevents loops from forming and breaks those that it finds. Attached + * to the {@see 'wp_insert_post_parent'} filter. + * + * @since 3.1.0 + * + * @see wp_find_hierarchy_loop() + * + * @param int $post_parent ID of the parent for the post we're checking. + * @param int $post_id ID of the post we're checking. + * @return int The new post_parent for the post, 0 otherwise. + */ +function wp_check_post_hierarchy_for_loops( $post_parent, $post_id ) { + // Nothing fancy here - bail. + if ( ! $post_parent ) { + return 0; + } + + // New post can't cause a loop. + if ( ! $post_id ) { + return $post_parent; + } + + // Can't be its own parent. + if ( $post_parent == $post_id ) { + return 0; + } + + // Now look for larger loops. + $loop = wp_find_hierarchy_loop( 'wp_get_post_parent_id', $post_id, $post_parent ); + if ( ! $loop ) { + return $post_parent; // No loop. + } + + // Setting $post_parent to the given value causes a loop. + if ( isset( $loop[ $post_id ] ) ) { + return 0; + } + + // There's a loop, but it doesn't contain $post_id. Break the loop. + foreach ( array_keys( $loop ) as $loop_member ) { + wp_update_post( + array( + 'ID' => $loop_member, + 'post_parent' => 0, + ) + ); + } + + return $post_parent; +} + +/** + * Sets the post thumbnail (featured image) for the given post. + * + * @since 3.1.0 + * + * @param int|WP_Post $post Post ID or post object where thumbnail should be attached. + * @param int $thumbnail_id Thumbnail to attach. + * @return int|bool True on success, false on failure. + */ +function set_post_thumbnail( $post, $thumbnail_id ) { + $post = get_post( $post ); + $thumbnail_id = absint( $thumbnail_id ); + if ( $post && $thumbnail_id && get_post( $thumbnail_id ) ) { + if ( wp_get_attachment_image( $thumbnail_id, 'thumbnail' ) ) { + return update_post_meta( $post->ID, '_thumbnail_id', $thumbnail_id ); + } else { + return delete_post_meta( $post->ID, '_thumbnail_id' ); + } + } + return false; +} + +/** + * Removes the thumbnail (featured image) from the given post. + * + * @since 3.3.0 + * + * @param int|WP_Post $post Post ID or post object from which the thumbnail should be removed. + * @return bool True on success, false on failure. + */ +function delete_post_thumbnail( $post ) { + $post = get_post( $post ); + if ( $post ) { + return delete_post_meta( $post->ID, '_thumbnail_id' ); + } + return false; +} + +/** + * Deletes auto-drafts for new posts that are > 7 days old. + * + * @since 3.4.0 + * + * @global wpdb $wpdb WordPress database abstraction object. + */ +function wp_delete_auto_drafts() { + global $wpdb; + + // Cleanup old auto-drafts more than 7 days old. + $old_posts = $wpdb->get_col( "SELECT ID FROM $wpdb->posts WHERE post_status = 'auto-draft' AND DATE_SUB( NOW(), INTERVAL 7 DAY ) > post_date" ); + foreach ( (array) $old_posts as $delete ) { + // Force delete. + wp_delete_post( $delete, true ); + } +} + +/** + * Queues posts for lazy-loading of term meta. + * + * @since 4.5.0 + * + * @param WP_Post[] $posts Array of WP_Post objects. + */ +function wp_queue_posts_for_term_meta_lazyload( $posts ) { + $post_type_taxonomies = array(); + $prime_post_terms = array(); + foreach ( $posts as $post ) { + if ( ! ( $post instanceof WP_Post ) ) { + continue; + } + + if ( ! isset( $post_type_taxonomies[ $post->post_type ] ) ) { + $post_type_taxonomies[ $post->post_type ] = get_object_taxonomies( $post->post_type ); + } + + foreach ( $post_type_taxonomies[ $post->post_type ] as $taxonomy ) { + $prime_post_terms[ $taxonomy ][] = $post->ID; + } + } + + $term_ids = array(); + if ( $prime_post_terms ) { + foreach ( $prime_post_terms as $taxonomy => $post_ids ) { + $cached_term_ids = wp_cache_get_multiple( $post_ids, "{$taxonomy}_relationships" ); + if ( is_array( $cached_term_ids ) ) { + $cached_term_ids = array_filter( $cached_term_ids ); + foreach ( $cached_term_ids as $_term_ids ) { + // Backward compatibility for if a plugin is putting objects into the cache, rather than IDs. + foreach ( $_term_ids as $term_id ) { + if ( is_numeric( $term_id ) ) { + $term_ids[] = (int) $term_id; + } elseif ( isset( $term_id->term_id ) ) { + $term_ids[] = (int) $term_id->term_id; + } + } + } + } + } + $term_ids = array_unique( $term_ids ); + } + + wp_lazyload_term_meta( $term_ids ); +} + +/** + * Updates the custom taxonomies' term counts when a post's status is changed. + * + * For example, default posts term counts (for custom taxonomies) don't include + * private / draft posts. + * + * @since 3.3.0 + * @access private + * + * @param string $new_status New post status. + * @param string $old_status Old post status. + * @param WP_Post $post Post object. + */ +function _update_term_count_on_transition_post_status( $new_status, $old_status, $post ) { + // Update counts for the post's terms. + foreach ( (array) get_object_taxonomies( $post->post_type ) as $taxonomy ) { + $tt_ids = wp_get_object_terms( $post->ID, $taxonomy, array( 'fields' => 'tt_ids' ) ); + wp_update_term_count( $tt_ids, $taxonomy ); + } +} + +/** + * Adds any posts from the given IDs to the cache that do not already exist in cache. + * + * @since 3.4.0 + * @since 6.1.0 This function is no longer marked as "private". + * + * @see update_post_cache() + * @see update_postmeta_cache() + * @see update_object_term_cache() + * + * @global wpdb $wpdb WordPress database abstraction object. + * + * @param int[] $ids ID list. + * @param bool $update_term_cache Optional. Whether to update the term cache. Default true. + * @param bool $update_meta_cache Optional. Whether to update the meta cache. Default true. + */ +function _prime_post_caches( $ids, $update_term_cache = true, $update_meta_cache = true ) { + global $wpdb; + + $non_cached_ids = _get_non_cached_ids( $ids, 'posts' ); + if ( ! empty( $non_cached_ids ) ) { + $fresh_posts = $wpdb->get_results( sprintf( "SELECT $wpdb->posts.* FROM $wpdb->posts WHERE ID IN (%s)", implode( ',', $non_cached_ids ) ) ); + + if ( $fresh_posts ) { + // Despite the name, update_post_cache() expects an array rather than a single post. + update_post_cache( $fresh_posts ); + } + } + + if ( $update_meta_cache ) { + update_postmeta_cache( $ids ); + } + + if ( $update_term_cache ) { + $post_types = array_map( 'get_post_type', $ids ); + $post_types = array_unique( $post_types ); + update_object_term_cache( $ids, $post_types ); + } +} + +/** + * Prime the cache containing the parent ID of various post objects. + * + * @global wpdb $wpdb WordPress database abstraction object. + * + * @since 6.4.0 + * + * @param int[] $ids ID list. + */ +function _prime_post_parent_id_caches( array $ids ) { + global $wpdb; + + $ids = array_filter( $ids, '_validate_cache_id' ); + $ids = array_unique( array_map( 'intval', $ids ), SORT_NUMERIC ); + + if ( empty( $ids ) ) { + return; + } + + $cache_keys = array(); + foreach ( $ids as $id ) { + $cache_keys[ $id ] = 'post_parent:' . (string) $id; + } + + $cached_data = wp_cache_get_multiple( array_values( $cache_keys ), 'posts' ); + + $non_cached_ids = array(); + foreach ( $cache_keys as $id => $cache_key ) { + if ( false === $cached_data[ $cache_key ] ) { + $non_cached_ids[] = $id; + } + } + + if ( ! empty( $non_cached_ids ) ) { + $fresh_posts = $wpdb->get_results( sprintf( "SELECT $wpdb->posts.ID, $wpdb->posts.post_parent FROM $wpdb->posts WHERE ID IN (%s)", implode( ',', $non_cached_ids ) ) ); + + if ( $fresh_posts ) { + $post_parent_data = array(); + foreach ( $fresh_posts as $fresh_post ) { + $post_parent_data[ 'post_parent:' . (string) $fresh_post->ID ] = (int) $fresh_post->post_parent; + } + + wp_cache_add_multiple( $post_parent_data, 'posts' ); + } + } +} + +/** + * Adds a suffix if any trashed posts have a given slug. + * + * Store its desired (i.e. current) slug so it can try to reclaim it + * if the post is untrashed. + * + * For internal use. + * + * @since 4.5.0 + * @access private + * + * @param string $post_name Post slug. + * @param int $post_id Optional. Post ID that should be ignored. Default 0. + */ +function wp_add_trashed_suffix_to_post_name_for_trashed_posts( $post_name, $post_id = 0 ) { + $trashed_posts_with_desired_slug = get_posts( + array( + 'name' => $post_name, + 'post_status' => 'trash', + 'post_type' => 'any', + 'nopaging' => true, + 'post__not_in' => array( $post_id ), + ) + ); + + if ( ! empty( $trashed_posts_with_desired_slug ) ) { + foreach ( $trashed_posts_with_desired_slug as $_post ) { + wp_add_trashed_suffix_to_post_name_for_post( $_post ); + } + } +} + +/** + * Adds a trashed suffix for a given post. + * + * Store its desired (i.e. current) slug so it can try to reclaim it + * if the post is untrashed. + * + * For internal use. + * + * @since 4.5.0 + * @access private + * + * @global wpdb $wpdb WordPress database abstraction object. + * + * @param WP_Post $post The post. + * @return string New slug for the post. + */ +function wp_add_trashed_suffix_to_post_name_for_post( $post ) { + global $wpdb; + + $post = get_post( $post ); + + if ( str_ends_with( $post->post_name, '__trashed' ) ) { + return $post->post_name; + } + add_post_meta( $post->ID, '_wp_desired_post_slug', $post->post_name ); + $post_name = _truncate_post_slug( $post->post_name, 191 ) . '__trashed'; + $wpdb->update( $wpdb->posts, array( 'post_name' => $post_name ), array( 'ID' => $post->ID ) ); + clean_post_cache( $post->ID ); + return $post_name; +} + +/** + * Sets the last changed time for the 'posts' cache group. + * + * @since 5.0.0 + */ +function wp_cache_set_posts_last_changed() { + wp_cache_set_last_changed( 'posts' ); +} + +/** + * Gets all available post MIME types for a given post type. + * + * @since 2.5.0 + * + * @global wpdb $wpdb WordPress database abstraction object. + * + * @param string $type + * @return string[] An array of MIME types. + */ +function get_available_post_mime_types( $type = 'attachment' ) { + global $wpdb; + + /** + * Filters the list of available post MIME types for the given post type. + * + * @since 6.4.0 + * + * @param string[]|null $mime_types An array of MIME types. Default null. + * @param string $type The post type name. Usually 'attachment' but can be any post type. + */ + $mime_types = apply_filters( 'pre_get_available_post_mime_types', null, $type ); + + if ( ! is_array( $mime_types ) ) { + $mime_types = $wpdb->get_col( $wpdb->prepare( "SELECT DISTINCT post_mime_type FROM $wpdb->posts WHERE post_type = %s", $type ) ); + } + + return $mime_types; +} + +/** + * Retrieves the path to an uploaded image file. + * + * Similar to `get_attached_file()` however some images may have been processed after uploading + * to make them suitable for web use. In this case the attached "full" size file is usually replaced + * with a scaled down version of the original image. This function always returns the path + * to the originally uploaded image file. + * + * @since 5.3.0 + * @since 5.4.0 Added the `$unfiltered` parameter. + * + * @param int $attachment_id Attachment ID. + * @param bool $unfiltered Optional. Passed through to `get_attached_file()`. Default false. + * @return string|false Path to the original image file or false if the attachment is not an image. + */ +function wp_get_original_image_path( $attachment_id, $unfiltered = false ) { + if ( ! wp_attachment_is_image( $attachment_id ) ) { + return false; + } + + $image_meta = wp_get_attachment_metadata( $attachment_id ); + $image_file = get_attached_file( $attachment_id, $unfiltered ); + + if ( empty( $image_meta['original_image'] ) ) { + $original_image = $image_file; + } else { + $original_image = path_join( dirname( $image_file ), $image_meta['original_image'] ); + } + + /** + * Filters the path to the original image. + * + * @since 5.3.0 + * + * @param string $original_image Path to original image file. + * @param int $attachment_id Attachment ID. + */ + return apply_filters( 'wp_get_original_image_path', $original_image, $attachment_id ); +} + +/** + * Retrieves the URL to an original attachment image. + * + * Similar to `wp_get_attachment_url()` however some images may have been + * processed after uploading. In this case this function returns the URL + * to the originally uploaded image file. + * + * @since 5.3.0 + * + * @param int $attachment_id Attachment post ID. + * @return string|false Attachment image URL, false on error or if the attachment is not an image. + */ +function wp_get_original_image_url( $attachment_id ) { + if ( ! wp_attachment_is_image( $attachment_id ) ) { + return false; + } + + $image_url = wp_get_attachment_url( $attachment_id ); + + if ( ! $image_url ) { + return false; + } + + $image_meta = wp_get_attachment_metadata( $attachment_id ); + + if ( empty( $image_meta['original_image'] ) ) { + $original_image_url = $image_url; + } else { + $original_image_url = path_join( dirname( $image_url ), $image_meta['original_image'] ); + } + + /** + * Filters the URL to the original attachment image. + * + * @since 5.3.0 + * + * @param string $original_image_url URL to original image. + * @param int $attachment_id Attachment ID. + */ + return apply_filters( 'wp_get_original_image_url', $original_image_url, $attachment_id ); +} + +/** + * Filters callback which sets the status of an untrashed post to its previous status. + * + * This can be used as a callback on the `wp_untrash_post_status` filter. + * + * @since 5.6.0 + * + * @param string $new_status The new status of the post being restored. + * @param int $post_id The ID of the post being restored. + * @param string $previous_status The status of the post at the point where it was trashed. + * @return string The new status of the post. + */ +function wp_untrash_post_set_previous_status( $new_status, $post_id, $previous_status ) { + return $previous_status; +} + +/** + * Returns whether the post can be edited in the block editor. + * + * @since 5.0.0 + * @since 6.1.0 Moved to wp-includes from wp-admin. + * + * @param int|WP_Post $post Post ID or WP_Post object. + * @return bool Whether the post can be edited in the block editor. + */ +function use_block_editor_for_post( $post ) { + $post = get_post( $post ); + + if ( ! $post ) { + return false; + } + + // We're in the meta box loader, so don't use the block editor. + if ( is_admin() && isset( $_GET['meta-box-loader'] ) ) { + check_admin_referer( 'meta-box-loader', 'meta-box-loader-nonce' ); + return false; + } + + $use_block_editor = use_block_editor_for_post_type( $post->post_type ); + + /** + * Filters whether a post is able to be edited in the block editor. + * + * @since 5.0.0 + * + * @param bool $use_block_editor Whether the post can be edited or not. + * @param WP_Post $post The post being checked. + */ + return apply_filters( 'use_block_editor_for_post', $use_block_editor, $post ); +} + +/** + * Returns whether a post type is compatible with the block editor. + * + * The block editor depends on the REST API, and if the post type is not shown in the + * REST API, then it won't work with the block editor. + * + * @since 5.0.0 + * @since 6.1.0 Moved to wp-includes from wp-admin. + * + * @param string $post_type The post type. + * @return bool Whether the post type can be edited with the block editor. + */ +function use_block_editor_for_post_type( $post_type ) { + if ( ! post_type_exists( $post_type ) ) { + return false; + } + + if ( ! post_type_supports( $post_type, 'editor' ) ) { + return false; + } + + $post_type_object = get_post_type_object( $post_type ); + if ( $post_type_object && ! $post_type_object->show_in_rest ) { + return false; + } + + /** + * Filters whether a post is able to be edited in the block editor. + * + * @since 5.0.0 + * + * @param bool $use_block_editor Whether the post type can be edited or not. Default true. + * @param string $post_type The post type being checked. + */ + return apply_filters( 'use_block_editor_for_post_type', true, $post_type ); +} + +/** + * Registers any additional post meta fields. + * + * @since 6.3.0 Adds `wp_pattern_sync_status` meta field to the wp_block post type so an unsynced option can be added. + * + * @link https://github.com/WordPress/gutenberg/pull/51144 + */ +function wp_create_initial_post_meta() { + register_post_meta( + 'wp_block', + 'wp_pattern_sync_status', + array( + 'sanitize_callback' => 'sanitize_text_field', + 'single' => true, + 'type' => 'string', + 'show_in_rest' => array( + 'schema' => array( + 'type' => 'string', + 'enum' => array( 'partial', 'unsynced' ), + ), + ), + ) + ); +} |