วิวัฒนาการ-จัดการ
แก้ไขไฟล์: class-wp-sitemaps-index.php
<?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' ); } }