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Editing: class-wp-sitemaps.php
<?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( '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 * @deprecated 6.7.0 Deprecated in favor of {@see WP_Rewrite::rewrite_rules()} * * @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 ) { _deprecated_function( __FUNCTION__, '6.7.0' ); // 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; } }
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