WPSEO_Taxonomy_Sitemap_Provider::get_index_links() │ public │ Yoast 1.0

Retrieves the links for the sitemap.

Метод класса: WPSEO_Taxonomy_Sitemap_Provider{}

Возвращает

Массив.

Использование

$WPSEO_Taxonomy_Sitemap_Provider = new WPSEO_Taxonomy_Sitemap_Provider();
$WPSEO_Taxonomy_Sitemap_Provider->get_index_links( $max_entries );

$max_entries(int) (обязательный)

Entries per sitemap.

Код WPSEO_Taxonomy_Sitemap_Provider::get_index_links() WPSEO Taxonomy Sitemap Provider::get index links ^{Yoast 22.4}

public function get_index_links( $max_entries ) {

	$taxonomies = get_taxonomies( [ 'public' => true ], 'objects' );

	if ( empty( $taxonomies ) ) {
		return [];
	}

	$taxonomy_names = array_filter( array_keys( $taxonomies ), [ $this, 'is_valid_taxonomy' ] );
	$taxonomies     = array_intersect_key( $taxonomies, array_flip( $taxonomy_names ) );

	// Retrieve all the taxonomies and their terms so we can do a proper count on them.

	/**
	 * Filter the setting of excluding empty terms from the XML sitemap.
	 *
	 * @param bool  $exclude        Defaults to true.
	 * @param array $taxonomy_names Array of names for the taxonomies being processed.
	 */
	$hide_empty = apply_filters( 'wpseo_sitemap_exclude_empty_terms', true, $taxonomy_names );

	$all_taxonomies = [];

	foreach ( $taxonomy_names as $taxonomy_name ) {
		/**
		 * Filter the setting of excluding empty terms from the XML sitemap for a specific taxonomy.
		 *
		 * @param bool   $exclude       Defaults to the sitewide setting.
		 * @param string $taxonomy_name The name of the taxonomy being processed.
		 */
		$hide_empty_tax = apply_filters( 'wpseo_sitemap_exclude_empty_terms_taxonomy', $hide_empty, $taxonomy_name );

		$term_args      = [
			'taxonomy'   => $taxonomy_name,
			'hide_empty' => $hide_empty_tax,
			'fields'     => 'ids',
		];
		$taxonomy_terms = get_terms( $term_args );

		if ( count( $taxonomy_terms ) > 0 ) {
			$all_taxonomies[ $taxonomy_name ] = $taxonomy_terms;
		}
	}

	$index = [];

	foreach ( $taxonomies as $tax_name => $tax ) {

		if ( ! isset( $all_taxonomies[ $tax_name ] ) ) { // No eligible terms found.
			continue;
		}

		$total_count = ( isset( $all_taxonomies[ $tax_name ] ) ) ? count( $all_taxonomies[ $tax_name ] ) : 1;
		$max_pages   = 1;

		if ( $total_count > $max_entries ) {
			$max_pages = (int) ceil( $total_count / $max_entries );
		}

		$last_modified_gmt = WPSEO_Sitemaps::get_last_modified_gmt( $tax->object_type );

		for ( $page_counter = 0; $page_counter < $max_pages; $page_counter++ ) {

			$current_page = ( $page_counter === 0 ) ? '' : ( $page_counter + 1 );

			if ( ! is_array( $tax->object_type ) || count( $tax->object_type ) === 0 ) {
				continue;
			}

			$terms = array_splice( $all_taxonomies[ $tax_name ], 0, $max_entries );

			if ( ! $terms ) {
				continue;
			}

			$args  = [
				'post_type'      => $tax->object_type,
				'tax_query'      => [
					[
						'taxonomy' => $tax_name,
						'terms'    => $terms,
					],
				],
				'orderby'        => 'modified',
				'order'          => 'DESC',
				'posts_per_page' => 1,
			];
			$query = new WP_Query( $args );

			if ( $query->have_posts() ) {
				$date = $query->posts[0]->post_modified_gmt;
			}
			else {
				$date = $last_modified_gmt;
			}

			$index[] = [
				'loc'     => WPSEO_Sitemaps_Router::get_base_url( $tax_name . '-sitemap' . $current_page . '.xml' ),
				'lastmod' => $date,
			];
		}
	}

	return $index;
}