97 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			97 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			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' );
 | |
| 	}
 | |
| }
 |