WP_Sitemaps_Renderer

17#[AllowDynamicProperties]18class WP_Sitemaps_Renderer {19	/**20	 * XSL stylesheet for styling a sitemap for web browsers.21	 *22	 * @since 5.5.023	 *24	 * @var string25	 */26	protected $stylesheet = '';27 28	/**29	 * XSL stylesheet for styling a sitemap for web browsers.30	 *31	 * @since 5.5.032	 *33	 * @var string34	 */35	protected $stylesheet_index = '';36 37	/**38	 * WP_Sitemaps_Renderer constructor.39	 *40	 * @since 5.5.041	 */42	public function __construct() {43		$stylesheet_url = $this->get_sitemap_stylesheet_url();44 45		if ( $stylesheet_url ) {46			$this->stylesheet = '<?xml-stylesheet type="text/xsl" href="' . esc_url( $stylesheet_url ) . '" ?>';47		}48 49		$stylesheet_index_url = $this->get_sitemap_index_stylesheet_url();50 51		if ( $stylesheet_index_url ) {52			$this->stylesheet_index = '<?xml-stylesheet type="text/xsl" href="' . esc_url( $stylesheet_index_url ) . '" ?>';53		}54	}55 56	/**57	 * Gets the URL for the sitemap stylesheet.58	 *59	 * @since 5.5.060	 *61	 * @global WP_Rewrite $wp_rewrite WordPress rewrite component.62	 *63	 * @return string The sitemap stylesheet URL.64	 */65	public function get_sitemap_stylesheet_url() {66		global $wp_rewrite;67 68		$sitemap_url = home_url( '/wp-sitemap.xsl' );69 70		if ( ! $wp_rewrite->using_permalinks() ) {71			$sitemap_url = home_url( '/?sitemap-stylesheet=sitemap' );72		}73 74		/**75		 * Filters the URL for the sitemap stylesheet.76		 *77		 * If a falsey value is returned, no stylesheet will be used and78		 * the "raw" XML of the sitemap will be displayed.79		 *80		 * @since 5.5.081		 *82		 * @param string $sitemap_url Full URL for the sitemaps XSL file.83		 */84		return apply_filters( 'wp_sitemaps_stylesheet_url', $sitemap_url );85	}86 87	/**88	 * Gets the URL for the sitemap index stylesheet.89	 *90	 * @since 5.5.091	 *92	 * @global WP_Rewrite $wp_rewrite WordPress rewrite component.93	 *94	 * @return string The sitemap index stylesheet URL.95	 */96	public function get_sitemap_index_stylesheet_url() {