diff options
Diffstat (limited to 'wp-includes/sitemaps/providers/class-wp-sitemaps-taxonomies.php')
| -rw-r--r-- | wp-includes/sitemaps/providers/class-wp-sitemaps-taxonomies.php | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/wp-includes/sitemaps/providers/class-wp-sitemaps-taxonomies.php b/wp-includes/sitemaps/providers/class-wp-sitemaps-taxonomies.php new file mode 100644 index 0000000..5571ff4 --- /dev/null +++ b/wp-includes/sitemaps/providers/class-wp-sitemaps-taxonomies.php @@ -0,0 +1,213 @@ +<?php +/** + * Sitemaps: WP_Sitemaps_Taxonomies class + * + * Builds the sitemaps for the 'taxonomy' object type. + * + * @package WordPress + * @subpackage Sitemaps + * @since 5.5.0 + */ + +/** + * Taxonomies XML sitemap provider. + * + * @since 5.5.0 + */ +class WP_Sitemaps_Taxonomies extends WP_Sitemaps_Provider { + /** + * WP_Sitemaps_Taxonomies constructor. + * + * @since 5.5.0 + */ + public function __construct() { + $this->name = 'taxonomies'; + $this->object_type = 'term'; + } + + /** + * Returns all public, registered taxonomies. + * + * @since 5.5.0 + * + * @return WP_Taxonomy[] Array of registered taxonomy objects keyed by their name. + */ + public function get_object_subtypes() { + $taxonomies = get_taxonomies( array( 'public' => true ), 'objects' ); + + $taxonomies = array_filter( $taxonomies, 'is_taxonomy_viewable' ); + + /** + * Filters the list of taxonomy object subtypes available within the sitemap. + * + * @since 5.5.0 + * + * @param WP_Taxonomy[] $taxonomies Array of registered taxonomy objects keyed by their name. + */ + return apply_filters( 'wp_sitemaps_taxonomies', $taxonomies ); + } + + /** + * Gets a URL list for a taxonomy sitemap. + * + * @since 5.5.0 + * @since 5.9.0 Renamed `$taxonomy` to `$object_subtype` to match parent class + * for PHP 8 named parameter support. + * + * @param int $page_num Page of results. + * @param string $object_subtype Optional. Taxonomy name. Default empty. + * @return array[] Array of URL information for a sitemap. + */ + public function get_url_list( $page_num, $object_subtype = '' ) { + // Restores the more descriptive, specific name for use within this method. + $taxonomy = $object_subtype; + + $supported_types = $this->get_object_subtypes(); + + // Bail early if the queried taxonomy is not supported. + if ( ! isset( $supported_types[ $taxonomy ] ) ) { + return array(); + } + + /** + * Filters the taxonomies URL list before it is generated. + * + * Returning a non-null value will effectively short-circuit the generation, + * returning that value instead. + * + * @since 5.5.0 + * + * @param array[]|null $url_list The URL list. Default null. + * @param string $taxonomy Taxonomy name. + * @param int $page_num Page of results. + */ + $url_list = apply_filters( + 'wp_sitemaps_taxonomies_pre_url_list', + null, + $taxonomy, + $page_num + ); + + if ( null !== $url_list ) { + return $url_list; + } + + $url_list = array(); + + // Offset by how many terms should be included in previous pages. + $offset = ( $page_num - 1 ) * wp_sitemaps_get_max_urls( $this->object_type ); + + $args = $this->get_taxonomies_query_args( $taxonomy ); + $args['fields'] = 'all'; + $args['offset'] = $offset; + + $taxonomy_terms = new WP_Term_Query( $args ); + + if ( ! empty( $taxonomy_terms->terms ) ) { + foreach ( $taxonomy_terms->terms as $term ) { + $term_link = get_term_link( $term, $taxonomy ); + + if ( is_wp_error( $term_link ) ) { + continue; + } + + $sitemap_entry = array( + 'loc' => $term_link, + ); + + /** + * Filters the sitemap entry for an individual term. + * + * @since 5.5.0 + * @since 6.0.0 Added `$term` argument containing the term object. + * + * @param array $sitemap_entry Sitemap entry for the term. + * @param int $term_id Term ID. + * @param string $taxonomy Taxonomy name. + * @param WP_Term $term Term object. + */ + $sitemap_entry = apply_filters( 'wp_sitemaps_taxonomies_entry', $sitemap_entry, $term->term_id, $taxonomy, $term ); + $url_list[] = $sitemap_entry; + } + } + + return $url_list; + } + + /** + * Gets the max number of pages available for the object type. + * + * @since 5.5.0 + * @since 5.9.0 Renamed `$taxonomy` to `$object_subtype` to match parent class + * for PHP 8 named parameter support. + * + * @param string $object_subtype Optional. Taxonomy name. Default empty. + * @return int Total number of pages. + */ + public function get_max_num_pages( $object_subtype = '' ) { + if ( empty( $object_subtype ) ) { + return 0; + } + + // Restores the more descriptive, specific name for use within this method. + $taxonomy = $object_subtype; + + /** + * Filters the max number of pages for a taxonomy sitemap before it is generated. + * + * Passing a non-null value will short-circuit the generation, + * returning that value instead. + * + * @since 5.5.0 + * + * @param int|null $max_num_pages The maximum number of pages. Default null. + * @param string $taxonomy Taxonomy name. + */ + $max_num_pages = apply_filters( 'wp_sitemaps_taxonomies_pre_max_num_pages', null, $taxonomy ); + + if ( null !== $max_num_pages ) { + return $max_num_pages; + } + + $term_count = wp_count_terms( $this->get_taxonomies_query_args( $taxonomy ) ); + + return (int) ceil( $term_count / wp_sitemaps_get_max_urls( $this->object_type ) ); + } + + /** + * Returns the query args for retrieving taxonomy terms to list in the sitemap. + * + * @since 5.5.0 + * + * @param string $taxonomy Taxonomy name. + * @return array Array of WP_Term_Query arguments. + */ + protected function get_taxonomies_query_args( $taxonomy ) { + /** + * Filters the taxonomy terms query arguments. + * + * Allows modification of the taxonomy query arguments before querying. + * + * @see WP_Term_Query for a full list of arguments + * + * @since 5.5.0 + * + * @param array $args Array of WP_Term_Query arguments. + * @param string $taxonomy Taxonomy name. + */ + $args = apply_filters( + 'wp_sitemaps_taxonomies_query_args', + array( + 'taxonomy' => $taxonomy, + 'orderby' => 'term_order', + 'number' => wp_sitemaps_get_max_urls( $this->object_type ), + 'hide_empty' => true, + 'hierarchical' => false, + 'update_term_meta_cache' => false, + ), + $taxonomy + ); + + return $args; + } +} |