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-rw-r--r--wp-includes/sitemaps/class-wp-sitemaps-index.php96
-rw-r--r--wp-includes/sitemaps/class-wp-sitemaps-provider.php182
-rw-r--r--wp-includes/sitemaps/class-wp-sitemaps-registry.php86
-rw-r--r--wp-includes/sitemaps/class-wp-sitemaps-renderer.php273
-rw-r--r--wp-includes/sitemaps/class-wp-sitemaps-stylesheet.php317
-rw-r--r--wp-includes/sitemaps/class-wp-sitemaps.php264
-rw-r--r--wp-includes/sitemaps/providers/class-wp-sitemaps-posts.php231
-rw-r--r--wp-includes/sitemaps/providers/class-wp-sitemaps-taxonomies.php213
-rw-r--r--wp-includes/sitemaps/providers/class-wp-sitemaps-users.php164
9 files changed, 1826 insertions, 0 deletions
diff --git a/wp-includes/sitemaps/class-wp-sitemaps-index.php b/wp-includes/sitemaps/class-wp-sitemaps-index.php
new file mode 100644
index 0000000..9403588
--- /dev/null
+++ b/wp-includes/sitemaps/class-wp-sitemaps-index.php
@@ -0,0 +1,96 @@
+<?php
+/**
+ * Sitemaps: WP_Sitemaps_Index class.
+ *
+ * Generates the sitemap index.
+ *
+ * @package WordPress
+ * @subpackage Sitemaps
+ * @since 5.5.0
+ */
+
+/**
+ * Class WP_Sitemaps_Index.
+ * Builds the sitemap index page that lists the links to all of the sitemaps.
+ *
+ * @since 5.5.0
+ */
+#[AllowDynamicProperties]
+class WP_Sitemaps_Index {
+ /**
+ * The main registry of supported sitemaps.
+ *
+ * @since 5.5.0
+ * @var WP_Sitemaps_Registry
+ */
+ protected $registry;
+
+ /**
+ * Maximum number of sitemaps to include in an index.
+ *
+ * @since 5.5.0
+ *
+ * @var int Maximum number of sitemaps.
+ */
+ private $max_sitemaps = 50000;
+
+ /**
+ * WP_Sitemaps_Index constructor.
+ *
+ * @since 5.5.0
+ *
+ * @param WP_Sitemaps_Registry $registry Sitemap provider registry.
+ */
+ public function __construct( WP_Sitemaps_Registry $registry ) {
+ $this->registry = $registry;
+ }
+
+ /**
+ * Gets a sitemap list for the index.
+ *
+ * @since 5.5.0
+ *
+ * @return array[] Array of all sitemaps.
+ */
+ public function get_sitemap_list() {
+ $sitemaps = array();
+
+ $providers = $this->registry->get_providers();
+ /* @var WP_Sitemaps_Provider $provider */
+ foreach ( $providers as $name => $provider ) {
+ $sitemap_entries = $provider->get_sitemap_entries();
+
+ // Prevent issues with array_push and empty arrays on PHP < 7.3.
+ if ( ! $sitemap_entries ) {
+ continue;
+ }
+
+ // Using array_push is more efficient than array_merge in a loop.
+ array_push( $sitemaps, ...$sitemap_entries );
+ if ( count( $sitemaps ) >= $this->max_sitemaps ) {
+ break;
+ }
+ }
+
+ return array_slice( $sitemaps, 0, $this->max_sitemaps, true );
+ }
+
+ /**
+ * Builds the URL for the sitemap index.
+ *
+ * @since 5.5.0
+ *
+ * @global WP_Rewrite $wp_rewrite WordPress rewrite component.
+ *
+ * @return string The sitemap index URL.
+ */
+ public function get_index_url() {
+ global $wp_rewrite;
+
+ if ( ! $wp_rewrite->using_permalinks() ) {
+ return home_url( '/?sitemap=index' );
+ }
+
+ return home_url( '/wp-sitemap.xml' );
+ }
+}
diff --git a/wp-includes/sitemaps/class-wp-sitemaps-provider.php b/wp-includes/sitemaps/class-wp-sitemaps-provider.php
new file mode 100644
index 0000000..13a03f9
--- /dev/null
+++ b/wp-includes/sitemaps/class-wp-sitemaps-provider.php
@@ -0,0 +1,182 @@
+<?php
+/**
+ * Sitemaps: WP_Sitemaps_Provider class
+ *
+ * This class is a base class for other sitemap providers to extend and contains shared functionality.
+ *
+ * @package WordPress
+ * @subpackage Sitemaps
+ * @since 5.5.0
+ */
+
+/**
+ * Class WP_Sitemaps_Provider.
+ *
+ * @since 5.5.0
+ */
+#[AllowDynamicProperties]
+abstract class WP_Sitemaps_Provider {
+ /**
+ * Provider name.
+ *
+ * This will also be used as the public-facing name in URLs.
+ *
+ * @since 5.5.0
+ *
+ * @var string
+ */
+ protected $name = '';
+
+ /**
+ * Object type name (e.g. 'post', 'term', 'user').
+ *
+ * @since 5.5.0
+ *
+ * @var string
+ */
+ protected $object_type = '';
+
+ /**
+ * Gets a URL list for a sitemap.
+ *
+ * @since 5.5.0
+ *
+ * @param int $page_num Page of results.
+ * @param string $object_subtype Optional. Object subtype name. Default empty.
+ * @return array[] Array of URL information for a sitemap.
+ */
+ abstract public function get_url_list( $page_num, $object_subtype = '' );
+
+ /**
+ * Gets the max number of pages available for the object type.
+ *
+ * @since 5.5.0
+ *
+ * @param string $object_subtype Optional. Object subtype. Default empty.
+ * @return int Total number of pages.
+ */
+ abstract public function get_max_num_pages( $object_subtype = '' );
+
+ /**
+ * Gets data about each sitemap type.
+ *
+ * @since 5.5.0
+ *
+ * @return array[] Array of sitemap types including object subtype name and number of pages.
+ */
+ public function get_sitemap_type_data() {
+ $sitemap_data = array();
+
+ $object_subtypes = $this->get_object_subtypes();
+
+ /*
+ * If there are no object subtypes, include a single sitemap for the
+ * entire object type.
+ */
+ if ( empty( $object_subtypes ) ) {
+ $sitemap_data[] = array(
+ 'name' => '',
+ 'pages' => $this->get_max_num_pages(),
+ );
+ return $sitemap_data;
+ }
+
+ // Otherwise, include individual sitemaps for every object subtype.
+ foreach ( $object_subtypes as $object_subtype_name => $data ) {
+ $object_subtype_name = (string) $object_subtype_name;
+
+ $sitemap_data[] = array(
+ 'name' => $object_subtype_name,
+ 'pages' => $this->get_max_num_pages( $object_subtype_name ),
+ );
+ }
+
+ return $sitemap_data;
+ }
+
+ /**
+ * Lists sitemap pages exposed by this provider.
+ *
+ * The returned data is used to populate the sitemap entries of the index.
+ *
+ * @since 5.5.0
+ *
+ * @return array[] Array of sitemap entries.
+ */
+ public function get_sitemap_entries() {
+ $sitemaps = array();
+
+ $sitemap_types = $this->get_sitemap_type_data();
+
+ foreach ( $sitemap_types as $type ) {
+ for ( $page = 1; $page <= $type['pages']; $page++ ) {
+ $sitemap_entry = array(
+ 'loc' => $this->get_sitemap_url( $type['name'], $page ),
+ );
+
+ /**
+ * Filters the sitemap entry for the sitemap index.
+ *
+ * @since 5.5.0
+ *
+ * @param array $sitemap_entry Sitemap entry for the post.
+ * @param string $object_type Object empty name.
+ * @param string $object_subtype Object subtype name.
+ * Empty string if the object type does not support subtypes.
+ * @param int $page Page number of results.
+ */
+ $sitemap_entry = apply_filters( 'wp_sitemaps_index_entry', $sitemap_entry, $this->object_type, $type['name'], $page );
+
+ $sitemaps[] = $sitemap_entry;
+ }
+ }
+
+ return $sitemaps;
+ }
+
+ /**
+ * Gets the URL of a sitemap entry.
+ *
+ * @since 5.5.0
+ *
+ * @global WP_Rewrite $wp_rewrite WordPress rewrite component.
+ *
+ * @param string $name The name of the sitemap.
+ * @param int $page The page of the sitemap.
+ * @return string The composed URL for a sitemap entry.
+ */
+ public function get_sitemap_url( $name, $page ) {
+ global $wp_rewrite;
+
+ // Accounts for cases where name is not included, ex: sitemaps-users-1.xml.
+ $params = array_filter(
+ array(
+ 'sitemap' => $this->name,
+ 'sitemap-subtype' => $name,
+ 'paged' => $page,
+ )
+ );
+
+ $basename = sprintf(
+ '/wp-sitemap-%1$s.xml',
+ implode( '-', $params )
+ );
+
+ if ( ! $wp_rewrite->using_permalinks() ) {
+ $basename = '/?' . http_build_query( $params, '', '&' );
+ }
+
+ return home_url( $basename );
+ }
+
+ /**
+ * Returns the list of supported object subtypes exposed by the provider.
+ *
+ * @since 5.5.0
+ *
+ * @return array List of object subtypes objects keyed by their name.
+ */
+ public function get_object_subtypes() {
+ return array();
+ }
+}
diff --git a/wp-includes/sitemaps/class-wp-sitemaps-registry.php b/wp-includes/sitemaps/class-wp-sitemaps-registry.php
new file mode 100644
index 0000000..4775ae5
--- /dev/null
+++ b/wp-includes/sitemaps/class-wp-sitemaps-registry.php
@@ -0,0 +1,86 @@
+<?php
+/**
+ * Sitemaps: WP_Sitemaps_Registry class
+ *
+ * Handles registering sitemap providers.
+ *
+ * @package WordPress
+ * @subpackage Sitemaps
+ * @since 5.5.0
+ */
+
+/**
+ * Class WP_Sitemaps_Registry.
+ *
+ * @since 5.5.0
+ */
+#[AllowDynamicProperties]
+class WP_Sitemaps_Registry {
+ /**
+ * Registered sitemap providers.
+ *
+ * @since 5.5.0
+ *
+ * @var WP_Sitemaps_Provider[] Array of registered sitemap providers.
+ */
+ private $providers = array();
+
+ /**
+ * Adds a new sitemap provider.
+ *
+ * @since 5.5.0
+ *
+ * @param string $name Name of the sitemap provider.
+ * @param WP_Sitemaps_Provider $provider Instance of a WP_Sitemaps_Provider.
+ * @return bool Whether the provider was added successfully.
+ */
+ public function add_provider( $name, WP_Sitemaps_Provider $provider ) {
+ if ( isset( $this->providers[ $name ] ) ) {
+ return false;
+ }
+
+ /**
+ * Filters the sitemap provider before it is added.
+ *
+ * @since 5.5.0
+ *
+ * @param WP_Sitemaps_Provider $provider Instance of a WP_Sitemaps_Provider.
+ * @param string $name Name of the sitemap provider.
+ */
+ $provider = apply_filters( 'wp_sitemaps_add_provider', $provider, $name );
+ if ( ! $provider instanceof WP_Sitemaps_Provider ) {
+ return false;
+ }
+
+ $this->providers[ $name ] = $provider;
+
+ return true;
+ }
+
+ /**
+ * Returns a single registered sitemap provider.
+ *
+ * @since 5.5.0
+ *
+ * @param string $name Sitemap provider name.
+ * @return WP_Sitemaps_Provider|null Sitemap provider if it exists, null otherwise.
+ */
+ public function get_provider( $name ) {
+ if ( ! is_string( $name ) || ! isset( $this->providers[ $name ] ) ) {
+ return null;
+ }
+
+ return $this->providers[ $name ];
+ }
+
+ /**
+ * Returns all registered sitemap providers.
+ *
+ * @since 5.5.0
+ *
+ * @return WP_Sitemaps_Provider[] Array of sitemap providers.
+ */
+ public function get_providers() {
+ return $this->providers;
+ }
+}
diff --git a/wp-includes/sitemaps/class-wp-sitemaps-renderer.php b/wp-includes/sitemaps/class-wp-sitemaps-renderer.php
new file mode 100644
index 0000000..10a1ef1
--- /dev/null
+++ b/wp-includes/sitemaps/class-wp-sitemaps-renderer.php
@@ -0,0 +1,273 @@
+<?php
+/**
+ * Sitemaps: WP_Sitemaps_Renderer class
+ *
+ * Responsible for rendering Sitemaps data to XML in accordance with sitemap protocol.
+ *
+ * @package WordPress
+ * @subpackage Sitemaps
+ * @since 5.5.0
+ */
+
+/**
+ * Class WP_Sitemaps_Renderer
+ *
+ * @since 5.5.0
+ */
+#[AllowDynamicProperties]
+class WP_Sitemaps_Renderer {
+ /**
+ * XSL stylesheet for styling a sitemap for web browsers.
+ *
+ * @since 5.5.0
+ *
+ * @var string
+ */
+ protected $stylesheet = '';
+
+ /**
+ * XSL stylesheet for styling a sitemap for web browsers.
+ *
+ * @since 5.5.0
+ *
+ * @var string
+ */
+ protected $stylesheet_index = '';
+
+ /**
+ * WP_Sitemaps_Renderer constructor.
+ *
+ * @since 5.5.0
+ */
+ public function __construct() {
+ $stylesheet_url = $this->get_sitemap_stylesheet_url();
+
+ if ( $stylesheet_url ) {
+ $this->stylesheet = '<?xml-stylesheet type="text/xsl" href="' . esc_url( $stylesheet_url ) . '" ?>';
+ }
+
+ $stylesheet_index_url = $this->get_sitemap_index_stylesheet_url();
+
+ if ( $stylesheet_index_url ) {
+ $this->stylesheet_index = '<?xml-stylesheet type="text/xsl" href="' . esc_url( $stylesheet_index_url ) . '" ?>';
+ }
+ }
+
+ /**
+ * Gets the URL for the sitemap stylesheet.
+ *
+ * @since 5.5.0
+ *
+ * @global WP_Rewrite $wp_rewrite WordPress rewrite component.
+ *
+ * @return string The sitemap stylesheet URL.
+ */
+ public function get_sitemap_stylesheet_url() {
+ global $wp_rewrite;
+
+ $sitemap_url = home_url( '/wp-sitemap.xsl' );
+
+ if ( ! $wp_rewrite->using_permalinks() ) {
+ $sitemap_url = home_url( '/?sitemap-stylesheet=sitemap' );
+ }
+
+ /**
+ * Filters the URL for the sitemap stylesheet.
+ *
+ * If a falsey value is returned, no stylesheet will be used and
+ * the "raw" XML of the sitemap will be displayed.
+ *
+ * @since 5.5.0
+ *
+ * @param string $sitemap_url Full URL for the sitemaps XSL file.
+ */
+ return apply_filters( 'wp_sitemaps_stylesheet_url', $sitemap_url );
+ }
+
+ /**
+ * Gets the URL for the sitemap index stylesheet.
+ *
+ * @since 5.5.0
+ *
+ * @global WP_Rewrite $wp_rewrite WordPress rewrite component.
+ *
+ * @return string The sitemap index stylesheet URL.
+ */
+ public function get_sitemap_index_stylesheet_url() {
+ global $wp_rewrite;
+
+ $sitemap_url = home_url( '/wp-sitemap-index.xsl' );
+
+ if ( ! $wp_rewrite->using_permalinks() ) {
+ $sitemap_url = home_url( '/?sitemap-stylesheet=index' );
+ }
+
+ /**
+ * Filters the URL for the sitemap index stylesheet.
+ *
+ * If a falsey value is returned, no stylesheet will be used and
+ * the "raw" XML of the sitemap index will be displayed.
+ *
+ * @since 5.5.0
+ *
+ * @param string $sitemap_url Full URL for the sitemaps index XSL file.
+ */
+ return apply_filters( 'wp_sitemaps_stylesheet_index_url', $sitemap_url );
+ }
+
+ /**
+ * Renders a sitemap index.
+ *
+ * @since 5.5.0
+ *
+ * @param array $sitemaps Array of sitemap URLs.
+ */
+ public function render_index( $sitemaps ) {
+ header( 'Content-Type: application/xml; charset=UTF-8' );
+
+ $this->check_for_simple_xml_availability();
+
+ $index_xml = $this->get_sitemap_index_xml( $sitemaps );
+
+ if ( ! empty( $index_xml ) ) {
+ // All output is escaped within get_sitemap_index_xml().
+ echo $index_xml;
+ }
+ }
+
+ /**
+ * Gets XML for a sitemap index.
+ *
+ * @since 5.5.0
+ *
+ * @param array $sitemaps Array of sitemap URLs.
+ * @return string|false A well-formed XML string for a sitemap index. False on error.
+ */
+ public function get_sitemap_index_xml( $sitemaps ) {
+ $sitemap_index = new SimpleXMLElement(
+ sprintf(
+ '%1$s%2$s%3$s',
+ '<?xml version="1.0" encoding="UTF-8" ?>',
+ $this->stylesheet_index,
+ '<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" />'
+ )
+ );
+
+ foreach ( $sitemaps as $entry ) {
+ $sitemap = $sitemap_index->addChild( 'sitemap' );
+
+ // Add each element as a child node to the <sitemap> entry.
+ foreach ( $entry as $name => $value ) {
+ if ( 'loc' === $name ) {
+ $sitemap->addChild( $name, esc_url( $value ) );
+ } elseif ( 'lastmod' === $name ) {
+ $sitemap->addChild( $name, esc_xml( $value ) );
+ } else {
+ _doing_it_wrong(
+ __METHOD__,
+ sprintf(
+ /* translators: %s: List of element names. */
+ __( 'Fields other than %s are not currently supported for the sitemap index.' ),
+ implode( ',', array( 'loc', 'lastmod' ) )
+ ),
+ '5.5.0'
+ );
+ }
+ }
+ }
+
+ return $sitemap_index->asXML();
+ }
+
+ /**
+ * Renders a sitemap.
+ *
+ * @since 5.5.0
+ *
+ * @param array $url_list Array of URLs for a sitemap.
+ */
+ public function render_sitemap( $url_list ) {
+ header( 'Content-Type: application/xml; charset=UTF-8' );
+
+ $this->check_for_simple_xml_availability();
+
+ $sitemap_xml = $this->get_sitemap_xml( $url_list );
+
+ if ( ! empty( $sitemap_xml ) ) {
+ // All output is escaped within get_sitemap_xml().
+ echo $sitemap_xml;
+ }
+ }
+
+ /**
+ * Gets XML for a sitemap.
+ *
+ * @since 5.5.0
+ *
+ * @param array $url_list Array of URLs for a sitemap.
+ * @return string|false A well-formed XML string for a sitemap index. False on error.
+ */
+ public function get_sitemap_xml( $url_list ) {
+ $urlset = new SimpleXMLElement(
+ sprintf(
+ '%1$s%2$s%3$s',
+ '<?xml version="1.0" encoding="UTF-8" ?>',
+ $this->stylesheet,
+ '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" />'
+ )
+ );
+
+ foreach ( $url_list as $url_item ) {
+ $url = $urlset->addChild( 'url' );
+
+ // Add each element as a child node to the <url> entry.
+ foreach ( $url_item as $name => $value ) {
+ if ( 'loc' === $name ) {
+ $url->addChild( $name, esc_url( $value ) );
+ } elseif ( in_array( $name, array( 'lastmod', 'changefreq', 'priority' ), true ) ) {
+ $url->addChild( $name, esc_xml( $value ) );
+ } else {
+ _doing_it_wrong(
+ __METHOD__,
+ sprintf(
+ /* translators: %s: List of element names. */
+ __( 'Fields other than %s are not currently supported for sitemaps.' ),
+ implode( ',', array( 'loc', 'lastmod', 'changefreq', 'priority' ) )
+ ),
+ '5.5.0'
+ );
+ }
+ }
+ }
+
+ return $urlset->asXML();
+ }
+
+ /**
+ * Checks for the availability of the SimpleXML extension and errors if missing.
+ *
+ * @since 5.5.0
+ */
+ private function check_for_simple_xml_availability() {
+ if ( ! class_exists( 'SimpleXMLElement' ) ) {
+ add_filter(
+ 'wp_die_handler',
+ static function () {
+ return '_xml_wp_die_handler';
+ }
+ );
+
+ wp_die(
+ sprintf(
+ /* translators: %s: SimpleXML */
+ esc_xml( __( 'Could not generate XML sitemap due to missing %s extension' ) ),
+ 'SimpleXML'
+ ),
+ esc_xml( __( 'WordPress &rsaquo; Error' ) ),
+ array(
+ 'response' => 501, // "Not implemented".
+ )
+ );
+ }
+ }
+}
diff --git a/wp-includes/sitemaps/class-wp-sitemaps-stylesheet.php b/wp-includes/sitemaps/class-wp-sitemaps-stylesheet.php
new file mode 100644
index 0000000..1bf1032
--- /dev/null
+++ b/wp-includes/sitemaps/class-wp-sitemaps-stylesheet.php
@@ -0,0 +1,317 @@
+<?php
+/**
+ * Sitemaps: WP_Sitemaps_Stylesheet class
+ *
+ * This class provides the XSL stylesheets to style all sitemaps.
+ *
+ * @package WordPress
+ * @subpackage Sitemaps
+ * @since 5.5.0
+ */
+
+/**
+ * Stylesheet provider class.
+ *
+ * @since 5.5.0
+ */
+#[AllowDynamicProperties]
+class WP_Sitemaps_Stylesheet {
+ /**
+ * Renders the XSL stylesheet depending on whether it's the sitemap index or not.
+ *
+ * @param string $type Stylesheet type. Either 'sitemap' or 'index'.
+ */
+ public function render_stylesheet( $type ) {
+ header( 'Content-Type: application/xml; charset=UTF-8' );
+
+ if ( 'sitemap' === $type ) {
+ // All content is escaped below.
+ echo $this->get_sitemap_stylesheet();
+ }
+
+ if ( 'index' === $type ) {
+ // All content is escaped below.
+ echo $this->get_sitemap_index_stylesheet();
+ }
+
+ exit;
+ }
+
+ /**
+ * Returns the escaped XSL for all sitemaps, except index.
+ *
+ * @since 5.5.0
+ */
+ public function get_sitemap_stylesheet() {
+ $css = $this->get_stylesheet_css();
+ $title = esc_xml( __( 'XML Sitemap' ) );
+ $description = esc_xml( __( 'This XML Sitemap is generated by WordPress to make your content more visible for search engines.' ) );
+ $learn_more = sprintf(
+ '<a href="%s">%s</a>',
+ esc_url( __( 'https://www.sitemaps.org/' ) ),
+ esc_xml( __( 'Learn more about XML sitemaps.' ) )
+ );
+
+ $text = sprintf(
+ /* translators: %s: Number of URLs. */
+ esc_xml( __( 'Number of URLs in this XML Sitemap: %s.' ) ),
+ '<xsl:value-of select="count( sitemap:urlset/sitemap:url )" />'
+ );
+
+ $lang = get_language_attributes( 'html' );
+ $url = esc_xml( __( 'URL' ) );
+ $lastmod = esc_xml( __( 'Last Modified' ) );
+ $changefreq = esc_xml( __( 'Change Frequency' ) );
+ $priority = esc_xml( __( 'Priority' ) );
+
+ $xsl_content = <<<XSL
+<?xml version="1.0" encoding="UTF-8"?>
+<xsl:stylesheet
+ version="1.0"
+ xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+ xmlns:sitemap="http://www.sitemaps.org/schemas/sitemap/0.9"
+ exclude-result-prefixes="sitemap"
+ >
+
+ <xsl:output method="html" encoding="UTF-8" indent="yes" />
+
+ <!--
+ Set variables for whether lastmod, changefreq or priority occur for any url in the sitemap.
+ We do this up front because it can be expensive in a large sitemap.
+ -->
+ <xsl:variable name="has-lastmod" select="count( /sitemap:urlset/sitemap:url/sitemap:lastmod )" />
+ <xsl:variable name="has-changefreq" select="count( /sitemap:urlset/sitemap:url/sitemap:changefreq )" />
+ <xsl:variable name="has-priority" select="count( /sitemap:urlset/sitemap:url/sitemap:priority )" />
+
+ <xsl:template match="/">
+ <html {$lang}>
+ <head>
+ <title>{$title}</title>
+ <style>
+ {$css}
+ </style>
+ </head>
+ <body>
+ <div id="sitemap">
+ <div id="sitemap__header">
+ <h1>{$title}</h1>
+ <p>{$description}</p>
+ <p>{$learn_more}</p>
+ </div>
+ <div id="sitemap__content">
+ <p class="text">{$text}</p>
+ <table id="sitemap__table">
+ <thead>
+ <tr>
+ <th class="loc">{$url}</th>
+ <xsl:if test="\$has-lastmod">
+ <th class="lastmod">{$lastmod}</th>
+ </xsl:if>
+ <xsl:if test="\$has-changefreq">
+ <th class="changefreq">{$changefreq}</th>
+ </xsl:if>
+ <xsl:if test="\$has-priority">
+ <th class="priority">{$priority}</th>
+ </xsl:if>
+ </tr>
+ </thead>
+ <tbody>
+ <xsl:for-each select="sitemap:urlset/sitemap:url">
+ <tr>
+ <td class="loc"><a href="{sitemap:loc}"><xsl:value-of select="sitemap:loc" /></a></td>
+ <xsl:if test="\$has-lastmod">
+ <td class="lastmod"><xsl:value-of select="sitemap:lastmod" /></td>
+ </xsl:if>
+ <xsl:if test="\$has-changefreq">
+ <td class="changefreq"><xsl:value-of select="sitemap:changefreq" /></td>
+ </xsl:if>
+ <xsl:if test="\$has-priority">
+ <td class="priority"><xsl:value-of select="sitemap:priority" /></td>
+ </xsl:if>
+ </tr>
+ </xsl:for-each>
+ </tbody>
+ </table>
+ </div>
+ </div>
+ </body>
+ </html>
+ </xsl:template>
+</xsl:stylesheet>
+
+XSL;
+
+ /**
+ * Filters the content of the sitemap stylesheet.
+ *
+ * @since 5.5.0
+ *
+ * @param string $xsl_content Full content for the XML stylesheet.
+ */
+ return apply_filters( 'wp_sitemaps_stylesheet_content', $xsl_content );
+ }
+
+ /**
+ * Returns the escaped XSL for the index sitemaps.
+ *
+ * @since 5.5.0
+ */
+ public function get_sitemap_index_stylesheet() {
+ $css = $this->get_stylesheet_css();
+ $title = esc_xml( __( 'XML Sitemap' ) );
+ $description = esc_xml( __( 'This XML Sitemap is generated by WordPress to make your content more visible for search engines.' ) );
+ $learn_more = sprintf(
+ '<a href="%s">%s</a>',
+ esc_url( __( 'https://www.sitemaps.org/' ) ),
+ esc_xml( __( 'Learn more about XML sitemaps.' ) )
+ );
+
+ $text = sprintf(
+ /* translators: %s: Number of URLs. */
+ esc_xml( __( 'Number of URLs in this XML Sitemap: %s.' ) ),
+ '<xsl:value-of select="count( sitemap:sitemapindex/sitemap:sitemap )" />'
+ );
+
+ $lang = get_language_attributes( 'html' );
+ $url = esc_xml( __( 'URL' ) );
+ $lastmod = esc_xml( __( 'Last Modified' ) );
+
+ $xsl_content = <<<XSL
+<?xml version="1.0" encoding="UTF-8"?>
+<xsl:stylesheet
+ version="1.0"
+ xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+ xmlns:sitemap="http://www.sitemaps.org/schemas/sitemap/0.9"
+ exclude-result-prefixes="sitemap"
+ >
+
+ <xsl:output method="html" encoding="UTF-8" indent="yes" />
+
+ <!--
+ Set variables for whether lastmod occurs for any sitemap in the index.
+ We do this up front because it can be expensive in a large sitemap.
+ -->
+ <xsl:variable name="has-lastmod" select="count( /sitemap:sitemapindex/sitemap:sitemap/sitemap:lastmod )" />
+
+ <xsl:template match="/">
+ <html {$lang}>
+ <head>
+ <title>{$title}</title>
+ <style>
+ {$css}
+ </style>
+ </head>
+ <body>
+ <div id="sitemap">
+ <div id="sitemap__header">
+ <h1>{$title}</h1>
+ <p>{$description}</p>
+ <p>{$learn_more}</p>
+ </div>
+ <div id="sitemap__content">
+ <p class="text">{$text}</p>
+ <table id="sitemap__table">
+ <thead>
+ <tr>
+ <th class="loc">{$url}</th>
+ <xsl:if test="\$has-lastmod">
+ <th class="lastmod">{$lastmod}</th>
+ </xsl:if>
+ </tr>
+ </thead>
+ <tbody>
+ <xsl:for-each select="sitemap:sitemapindex/sitemap:sitemap">
+ <tr>
+ <td class="loc"><a href="{sitemap:loc}"><xsl:value-of select="sitemap:loc" /></a></td>
+ <xsl:if test="\$has-lastmod">
+ <td class="lastmod"><xsl:value-of select="sitemap:lastmod" /></td>
+ </xsl:if>
+ </tr>
+ </xsl:for-each>
+ </tbody>
+ </table>
+ </div>
+ </div>
+ </body>
+ </html>
+ </xsl:template>
+</xsl:stylesheet>
+
+XSL;
+
+ /**
+ * Filters the content of the sitemap index stylesheet.
+ *
+ * @since 5.5.0
+ *
+ * @param string $xsl_content Full content for the XML stylesheet.
+ */
+ return apply_filters( 'wp_sitemaps_stylesheet_index_content', $xsl_content );
+ }
+
+ /**
+ * Gets the CSS to be included in sitemap XSL stylesheets.
+ *
+ * @since 5.5.0
+ *
+ * @return string The CSS.
+ */
+ public function get_stylesheet_css() {
+ $text_align = is_rtl() ? 'right' : 'left';
+
+ $css = <<<EOF
+
+ body {
+ font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
+ color: #444;
+ }
+
+ #sitemap {
+ max-width: 980px;
+ margin: 0 auto;
+ }
+
+ #sitemap__table {
+ width: 100%;
+ border: solid 1px #ccc;
+ border-collapse: collapse;
+ }
+
+ #sitemap__table tr td.loc {
+ /*
+ * URLs should always be LTR.
+ * See https://core.trac.wordpress.org/ticket/16834
+ * and https://core.trac.wordpress.org/ticket/49949
+ */
+ direction: ltr;
+ }
+
+ #sitemap__table tr th {
+ text-align: {$text_align};
+ }
+
+ #sitemap__table tr td,
+ #sitemap__table tr th {
+ padding: 10px;
+ }
+
+ #sitemap__table tr:nth-child(odd) td {
+ background-color: #eee;
+ }
+
+ a:hover {
+ text-decoration: none;
+ }
+
+EOF;
+
+ /**
+ * Filters the CSS only for the sitemap stylesheet.
+ *
+ * @since 5.5.0
+ *
+ * @param string $css CSS to be applied to default XSL file.
+ */
+ return apply_filters( 'wp_sitemaps_stylesheet_css', $css );
+ }
+}
diff --git a/wp-includes/sitemaps/class-wp-sitemaps.php b/wp-includes/sitemaps/class-wp-sitemaps.php
new file mode 100644
index 0000000..d897fa8
--- /dev/null
+++ b/wp-includes/sitemaps/class-wp-sitemaps.php
@@ -0,0 +1,264 @@
+<?php
+/**
+ * Sitemaps: WP_Sitemaps class
+ *
+ * This is the main class integrating all other classes.
+ *
+ * @package WordPress
+ * @subpackage Sitemaps
+ * @since 5.5.0
+ */
+
+/**
+ * Class WP_Sitemaps.
+ *
+ * @since 5.5.0
+ */
+#[AllowDynamicProperties]
+class WP_Sitemaps {
+ /**
+ * The main index of supported sitemaps.
+ *
+ * @since 5.5.0
+ *
+ * @var WP_Sitemaps_Index
+ */
+ public $index;
+
+ /**
+ * The main registry of supported sitemaps.
+ *
+ * @since 5.5.0
+ *
+ * @var WP_Sitemaps_Registry
+ */
+ public $registry;
+
+ /**
+ * An instance of the renderer class.
+ *
+ * @since 5.5.0
+ *
+ * @var WP_Sitemaps_Renderer
+ */
+ public $renderer;
+
+ /**
+ * WP_Sitemaps constructor.
+ *
+ * @since 5.5.0
+ */
+ public function __construct() {
+ $this->registry = new WP_Sitemaps_Registry();
+ $this->renderer = new WP_Sitemaps_Renderer();
+ $this->index = new WP_Sitemaps_Index( $this->registry );
+ }
+
+ /**
+ * Initiates all sitemap functionality.
+ *
+ * If sitemaps are disabled, only the rewrite rules will be registered
+ * by this method, in order to properly send 404s.
+ *
+ * @since 5.5.0
+ */
+ public function init() {
+ // These will all fire on the init hook.
+ $this->register_rewrites();
+
+ add_action( 'template_redirect', array( $this, 'render_sitemaps' ) );
+
+ if ( ! $this->sitemaps_enabled() ) {
+ return;
+ }
+
+ $this->register_sitemaps();
+
+ // Add additional action callbacks.
+ add_filter( 'pre_handle_404', array( $this, 'redirect_sitemapxml' ), 10, 2 );
+ add_filter( 'robots_txt', array( $this, 'add_robots' ), 0, 2 );
+ }
+
+ /**
+ * Determines whether sitemaps are enabled or not.
+ *
+ * @since 5.5.0
+ *
+ * @return bool Whether sitemaps are enabled.
+ */
+ public function sitemaps_enabled() {
+ $is_enabled = (bool) get_option( 'blog_public' );
+
+ /**
+ * Filters whether XML Sitemaps are enabled or not.
+ *
+ * When XML Sitemaps are disabled via this filter, rewrite rules are still
+ * in place to ensure a 404 is returned.
+ *
+ * @see WP_Sitemaps::register_rewrites()
+ *
+ * @since 5.5.0
+ *
+ * @param bool $is_enabled Whether XML Sitemaps are enabled or not.
+ * Defaults to true for public sites.
+ */
+ return (bool) apply_filters( 'wp_sitemaps_enabled', $is_enabled );
+ }
+
+ /**
+ * Registers and sets up the functionality for all supported sitemaps.
+ *
+ * @since 5.5.0
+ */
+ public function register_sitemaps() {
+ $providers = array(
+ 'posts' => new WP_Sitemaps_Posts(),
+ 'taxonomies' => new WP_Sitemaps_Taxonomies(),
+ 'users' => new WP_Sitemaps_Users(),
+ );
+
+ /* @var WP_Sitemaps_Provider $provider */
+ foreach ( $providers as $name => $provider ) {
+ $this->registry->add_provider( $name, $provider );
+ }
+ }
+
+ /**
+ * Registers sitemap rewrite tags and routing rules.
+ *
+ * @since 5.5.0
+ */
+ public function register_rewrites() {
+ // Add rewrite tags.
+ add_rewrite_tag( '%sitemap%', '([^?]+)' );
+ add_rewrite_tag( '%sitemap-subtype%', '([^?]+)' );
+
+ // Register index route.
+ add_rewrite_rule( '^wp-sitemap\.xml$', 'index.php?sitemap=index', 'top' );
+
+ // Register rewrites for the XSL stylesheet.
+ add_rewrite_tag( '%sitemap-stylesheet%', '([^?]+)' );
+ add_rewrite_rule( '^wp-sitemap\.xsl$', 'index.php?sitemap-stylesheet=sitemap', 'top' );
+ add_rewrite_rule( '^wp-sitemap-index\.xsl$', 'index.php?sitemap-stylesheet=index', 'top' );
+
+ // Register routes for providers.
+ add_rewrite_rule(
+ '^wp-sitemap-([a-z]+?)-([a-z\d_-]+?)-(\d+?)\.xml$',
+ 'index.php?sitemap=$matches[1]&sitemap-subtype=$matches[2]&paged=$matches[3]',
+ 'top'
+ );
+ add_rewrite_rule(
+ '^wp-sitemap-([a-z]+?)-(\d+?)\.xml$',
+ 'index.php?sitemap=$matches[1]&paged=$matches[2]',
+ 'top'
+ );
+ }
+
+ /**
+ * Renders sitemap templates based on rewrite rules.
+ *
+ * @since 5.5.0
+ *
+ * @global WP_Query $wp_query WordPress Query object.
+ */
+ public function render_sitemaps() {
+ global $wp_query;
+
+ $sitemap = sanitize_text_field( get_query_var( 'sitemap' ) );
+ $object_subtype = sanitize_text_field( get_query_var( 'sitemap-subtype' ) );
+ $stylesheet_type = sanitize_text_field( get_query_var( 'sitemap-stylesheet' ) );
+ $paged = absint( get_query_var( 'paged' ) );
+
+ // Bail early if this isn't a sitemap or stylesheet route.
+ if ( ! ( $sitemap || $stylesheet_type ) ) {
+ return;
+ }
+
+ if ( ! $this->sitemaps_enabled() ) {
+ $wp_query->set_404();
+ status_header( 404 );
+ return;
+ }
+
+ // Render stylesheet if this is stylesheet route.
+ if ( $stylesheet_type ) {
+ $stylesheet = new WP_Sitemaps_Stylesheet();
+
+ $stylesheet->render_stylesheet( $stylesheet_type );
+ exit;
+ }
+
+ // Render the index.
+ if ( 'index' === $sitemap ) {
+ $sitemap_list = $this->index->get_sitemap_list();
+
+ $this->renderer->render_index( $sitemap_list );
+ exit;
+ }
+
+ $provider = $this->registry->get_provider( $sitemap );
+
+ if ( ! $provider ) {
+ return;
+ }
+
+ if ( empty( $paged ) ) {
+ $paged = 1;
+ }
+
+ $url_list = $provider->get_url_list( $paged, $object_subtype );
+
+ // Force a 404 and bail early if no URLs are present.
+ if ( empty( $url_list ) ) {
+ $wp_query->set_404();
+ status_header( 404 );
+ return;
+ }
+
+ $this->renderer->render_sitemap( $url_list );
+ exit;
+ }
+
+ /**
+ * Redirects a URL to the wp-sitemap.xml
+ *
+ * @since 5.5.0
+ *
+ * @param bool $bypass Pass-through of the pre_handle_404 filter value.
+ * @param WP_Query $query The WP_Query object.
+ * @return bool Bypass value.
+ */
+ public function redirect_sitemapxml( $bypass, $query ) {
+ // If a plugin has already utilized the pre_handle_404 function, return without action to avoid conflicts.
+ if ( $bypass ) {
+ return $bypass;
+ }
+
+ // 'pagename' is for most permalink types, name is for when the %postname% is used as a top-level field.
+ if ( 'sitemap-xml' === $query->get( 'pagename' )
+ || 'sitemap-xml' === $query->get( 'name' )
+ ) {
+ wp_safe_redirect( $this->index->get_index_url() );
+ exit();
+ }
+
+ return $bypass;
+ }
+
+ /**
+ * Adds the sitemap index to robots.txt.
+ *
+ * @since 5.5.0
+ *
+ * @param string $output robots.txt output.
+ * @param bool $is_public Whether the site is public.
+ * @return string The robots.txt output.
+ */
+ public function add_robots( $output, $is_public ) {
+ if ( $is_public ) {
+ $output .= "\nSitemap: " . esc_url( $this->index->get_index_url() ) . "\n";
+ }
+
+ return $output;
+ }
+}
diff --git a/wp-includes/sitemaps/providers/class-wp-sitemaps-posts.php b/wp-includes/sitemaps/providers/class-wp-sitemaps-posts.php
new file mode 100644
index 0000000..dff85a7
--- /dev/null
+++ b/wp-includes/sitemaps/providers/class-wp-sitemaps-posts.php
@@ -0,0 +1,231 @@
+<?php
+/**
+ * Sitemaps: WP_Sitemaps_Posts class
+ *
+ * Builds the sitemaps for the 'post' object type.
+ *
+ * @package WordPress
+ * @subpackage Sitemaps
+ * @since 5.5.0
+ */
+
+/**
+ * Posts XML sitemap provider.
+ *
+ * @since 5.5.0
+ */
+class WP_Sitemaps_Posts extends WP_Sitemaps_Provider {
+ /**
+ * WP_Sitemaps_Posts constructor.
+ *
+ * @since 5.5.0
+ */
+ public function __construct() {
+ $this->name = 'posts';
+ $this->object_type = 'post';
+ }
+
+ /**
+ * Returns the public post types, which excludes nav_items and similar types.
+ * Attachments are also excluded. This includes custom post types with public = true.
+ *
+ * @since 5.5.0
+ *
+ * @return WP_Post_Type[] Array of registered post type objects keyed by their name.
+ */
+ public function get_object_subtypes() {
+ $post_types = get_post_types( array( 'public' => true ), 'objects' );
+ unset( $post_types['attachment'] );
+
+ $post_types = array_filter( $post_types, 'is_post_type_viewable' );
+
+ /**
+ * Filters the list of post object sub types available within the sitemap.
+ *
+ * @since 5.5.0
+ *
+ * @param WP_Post_Type[] $post_types Array of registered post type objects keyed by their name.
+ */
+ return apply_filters( 'wp_sitemaps_post_types', $post_types );
+ }
+
+ /**
+ * Gets a URL list for a post type sitemap.
+ *
+ * @since 5.5.0
+ * @since 5.9.0 Renamed `$post_type` 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. Post type 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.
+ $post_type = $object_subtype;
+
+ // Bail early if the queried post type is not supported.
+ $supported_types = $this->get_object_subtypes();
+
+ if ( ! isset( $supported_types[ $post_type ] ) ) {
+ return array();
+ }
+
+ /**
+ * Filters the posts 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 $post_type Post type name.
+ * @param int $page_num Page of results.
+ */
+ $url_list = apply_filters(
+ 'wp_sitemaps_posts_pre_url_list',
+ null,
+ $post_type,
+ $page_num
+ );
+
+ if ( null !== $url_list ) {
+ return $url_list;
+ }
+
+ $args = $this->get_posts_query_args( $post_type );
+ $args['paged'] = $page_num;
+
+ $query = new WP_Query( $args );
+
+ $url_list = array();
+
+ /*
+ * Add a URL for the homepage in the pages sitemap.
+ * Shows only on the first page if the reading settings are set to display latest posts.
+ */
+ if ( 'page' === $post_type && 1 === $page_num && 'posts' === get_option( 'show_on_front' ) ) {
+ // Extract the data needed for home URL to add to the array.
+ $sitemap_entry = array(
+ 'loc' => home_url( '/' ),
+ );
+
+ /**
+ * Filters the sitemap entry for the home page when the 'show_on_front' option equals 'posts'.
+ *
+ * @since 5.5.0
+ *
+ * @param array $sitemap_entry Sitemap entry for the home page.
+ */
+ $sitemap_entry = apply_filters( 'wp_sitemaps_posts_show_on_front_entry', $sitemap_entry );
+ $url_list[] = $sitemap_entry;
+ }
+
+ foreach ( $query->posts as $post ) {
+ $sitemap_entry = array(
+ 'loc' => get_permalink( $post ),
+ );
+
+ /**
+ * Filters the sitemap entry for an individual post.
+ *
+ * @since 5.5.0
+ *
+ * @param array $sitemap_entry Sitemap entry for the post.
+ * @param WP_Post $post Post object.
+ * @param string $post_type Name of the post_type.
+ */
+ $sitemap_entry = apply_filters( 'wp_sitemaps_posts_entry', $sitemap_entry, $post, $post_type );
+ $url_list[] = $sitemap_entry;
+ }
+
+ return $url_list;
+ }
+
+ /**
+ * Gets the max number of pages available for the object type.
+ *
+ * @since 5.5.0
+ * @since 5.9.0 Renamed `$post_type` to `$object_subtype` to match parent class
+ * for PHP 8 named parameter support.
+ *
+ * @param string $object_subtype Optional. Post type 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.
+ $post_type = $object_subtype;
+
+ /**
+ * Filters the max number of pages 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 $post_type Post type name.
+ */
+ $max_num_pages = apply_filters( 'wp_sitemaps_posts_pre_max_num_pages', null, $post_type );
+
+ if ( null !== $max_num_pages ) {
+ return $max_num_pages;
+ }
+
+ $args = $this->get_posts_query_args( $post_type );
+ $args['fields'] = 'ids';
+ $args['no_found_rows'] = false;
+
+ $query = new WP_Query( $args );
+
+ $min_num_pages = ( 'page' === $post_type && 'posts' === get_option( 'show_on_front' ) ) ? 1 : 0;
+ return isset( $query->max_num_pages ) ? max( $min_num_pages, $query->max_num_pages ) : 1;
+ }
+
+ /**
+ * Returns the query args for retrieving posts to list in the sitemap.
+ *
+ * @since 5.5.0
+ * @since 6.1.0 Added `ignore_sticky_posts` default parameter.
+ *
+ * @param string $post_type Post type name.
+ * @return array Array of WP_Query arguments.
+ */
+ protected function get_posts_query_args( $post_type ) {
+ /**
+ * Filters the query arguments for post type sitemap queries.
+ *
+ * @see WP_Query for a full list of arguments.
+ *
+ * @since 5.5.0
+ * @since 6.1.0 Added `ignore_sticky_posts` default parameter.
+ *
+ * @param array $args Array of WP_Query arguments.
+ * @param string $post_type Post type name.
+ */
+ $args = apply_filters(
+ 'wp_sitemaps_posts_query_args',
+ array(
+ 'orderby' => 'ID',
+ 'order' => 'ASC',
+ 'post_type' => $post_type,
+ 'posts_per_page' => wp_sitemaps_get_max_urls( $this->object_type ),
+ 'post_status' => array( 'publish' ),
+ 'no_found_rows' => true,
+ 'update_post_term_cache' => false,
+ 'update_post_meta_cache' => false,
+ 'ignore_sticky_posts' => true, // Sticky posts will still appear, but they won't be moved to the front.
+ ),
+ $post_type
+ );
+
+ return $args;
+ }
+}
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;
+ }
+}
diff --git a/wp-includes/sitemaps/providers/class-wp-sitemaps-users.php b/wp-includes/sitemaps/providers/class-wp-sitemaps-users.php
new file mode 100644
index 0000000..8e9f57d
--- /dev/null
+++ b/wp-includes/sitemaps/providers/class-wp-sitemaps-users.php
@@ -0,0 +1,164 @@
+<?php
+/**
+ * Sitemaps: WP_Sitemaps_Users class
+ *
+ * Builds the sitemaps for the 'user' object type.
+ *
+ * @package WordPress
+ * @subpackage Sitemaps
+ * @since 5.5.0
+ */
+
+/**
+ * Users XML sitemap provider.
+ *
+ * @since 5.5.0
+ */
+class WP_Sitemaps_Users extends WP_Sitemaps_Provider {
+ /**
+ * WP_Sitemaps_Users constructor.
+ *
+ * @since 5.5.0
+ */
+ public function __construct() {
+ $this->name = 'users';
+ $this->object_type = 'user';
+ }
+
+ /**
+ * Gets a URL list for a user sitemap.
+ *
+ * @since 5.5.0
+ *
+ * @param int $page_num Page of results.
+ * @param string $object_subtype Optional. Not applicable for Users but
+ * required for compatibility with the parent
+ * provider class. Default empty.
+ * @return array[] Array of URL information for a sitemap.
+ */
+ public function get_url_list( $page_num, $object_subtype = '' ) {
+ /**
+ * Filters the users 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 int $page_num Page of results.
+ */
+ $url_list = apply_filters(
+ 'wp_sitemaps_users_pre_url_list',
+ null,
+ $page_num
+ );
+
+ if ( null !== $url_list ) {
+ return $url_list;
+ }
+
+ $args = $this->get_users_query_args();
+ $args['paged'] = $page_num;
+
+ $query = new WP_User_Query( $args );
+ $users = $query->get_results();
+ $url_list = array();
+
+ foreach ( $users as $user ) {
+ $sitemap_entry = array(
+ 'loc' => get_author_posts_url( $user->ID ),
+ );
+
+ /**
+ * Filters the sitemap entry for an individual user.
+ *
+ * @since 5.5.0
+ *
+ * @param array $sitemap_entry Sitemap entry for the user.
+ * @param WP_User $user User object.
+ */
+ $sitemap_entry = apply_filters( 'wp_sitemaps_users_entry', $sitemap_entry, $user );
+ $url_list[] = $sitemap_entry;
+ }
+
+ return $url_list;
+ }
+
+ /**
+ * Gets the max number of pages available for the object type.
+ *
+ * @since 5.5.0
+ *
+ * @see WP_Sitemaps_Provider::max_num_pages
+ *
+ * @param string $object_subtype Optional. Not applicable for Users but
+ * required for compatibility with the parent
+ * provider class. Default empty.
+ * @return int Total page count.
+ */
+ public function get_max_num_pages( $object_subtype = '' ) {
+ /**
+ * Filters the max number of pages for a user sitemap before it is generated.
+ *
+ * Returning a non-null value will effectively 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.
+ */
+ $max_num_pages = apply_filters( 'wp_sitemaps_users_pre_max_num_pages', null );
+
+ if ( null !== $max_num_pages ) {
+ return $max_num_pages;
+ }
+
+ $args = $this->get_users_query_args();
+ $query = new WP_User_Query( $args );
+
+ $total_users = $query->get_total();
+
+ return (int) ceil( $total_users / wp_sitemaps_get_max_urls( $this->object_type ) );
+ }
+
+ /**
+ * Returns the query args for retrieving users to list in the sitemap.
+ *
+ * @since 5.5.0
+ *
+ * @return array Array of WP_User_Query arguments.
+ */
+ protected function get_users_query_args() {
+ $public_post_types = get_post_types(
+ array(
+ 'public' => true,
+ )
+ );
+
+ // We're not supporting sitemaps for author pages for attachments and pages.
+ unset( $public_post_types['attachment'] );
+ unset( $public_post_types['page'] );
+
+ /**
+ * Filters the query arguments for authors with public posts.
+ *
+ * Allows modification of the authors query arguments before querying.
+ *
+ * @see WP_User_Query for a full list of arguments
+ *
+ * @since 5.5.0
+ *
+ * @param array $args Array of WP_User_Query arguments.
+ */
+ $args = apply_filters(
+ 'wp_sitemaps_users_query_args',
+ array(
+ 'has_published_posts' => array_keys( $public_post_types ),
+ 'number' => wp_sitemaps_get_max_urls( $this->object_type ),
+ )
+ );
+
+ return $args;
+ }
+}