WPSEO_Post_Type_Sitemap_Provider::get_index_links() │ public │ Yoast 1.0

Retrieves the sitemap links.

Метод класса: WPSEO_Post_Type_Sitemap_Provider{}

Хуков нет.

Возвращает

Массив.

Использование

$WPSEO_Post_Type_Sitemap_Provider = new WPSEO_Post_Type_Sitemap_Provider();
$WPSEO_Post_Type_Sitemap_Provider->get_index_links( $max_entries );
$max_entries(int) (обязательный)
Entries per sitemap.

Код WPSEO_Post_Type_Sitemap_Provider::get_index_links() Yoast 20.0

yoast/inc/sitemaps/class-post-type-sitemap-provider.php 
public function get_index_links( $max_entries ) {
	global $wpdb;

	$post_types          = WPSEO_Post_Type::get_accessible_post_types();
	$post_types          = array_filter( $post_types, [ $this, 'is_valid_post_type' ] );
	$last_modified_times = WPSEO_Sitemaps::get_last_modified_gmt( $post_types, true );
	$index               = [];

	foreach ( $post_types as $post_type ) {

		$total_count = $this->get_post_type_count( $post_type );

		if ( $total_count === 0 ) {
			continue;
		}

		$max_pages = 1;
		if ( $total_count > $max_entries ) {
			$max_pages = (int) ceil( $total_count / $max_entries );
		}

		$all_dates = [];

		if ( $max_pages > 1 ) {
			$post_statuses = array_map( 'esc_sql', WPSEO_Sitemaps::get_post_statuses( $post_type ) );

			$sql = "
			SELECT post_modified_gmt
			    FROM ( SELECT @rownum:=0 ) init
			    JOIN {$wpdb->posts} USE INDEX( type_status_date )
			    WHERE post_status IN ('" . implode( "','", $post_statuses ) . "')
			      AND post_type = %s
			      AND ( @rownum:=@rownum+1 ) %% %d = 0
			    ORDER BY post_modified_gmt ASC
			";

			$all_dates = $wpdb->get_col( $wpdb->prepare( $sql, $post_type, $max_entries ) );
		}

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

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

			if ( empty( $current_page ) || $current_page === $max_pages ) {

				if ( ! empty( $last_modified_times[ $post_type ] ) ) {
					$date = $last_modified_times[ $post_type ];
				}
			}
			else {
				$date = $all_dates[ $page_counter ];
			}

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

	return $index;
}