PHP SchemaOrg_Breadcrumbs示例

示例#1

文件： schemaorg_breadcrumbs.php 项目： amt925/wordpress-project-starter

 /**
  * Singleton Pattern
  *
  * @return SchemaOrg_Breadcrumbs instance
  */
 public static function instance()
 {
     if (self::$instance === null) {
         self::$instance = new self();
     }
     return self::$instance;
 }

示例#2

文件： functions.php 项目： amt925/wordpress-project-starter

 function instantiate_schemaorg_breadcrumb_class()
 {
     if (function_exists('yoast_breadcrumb')) {
         SchemaOrg_Breadcrumbs::instance();
     }
 }