Alternative_Heap::init PHP Метод

    public static function init()
    {
        if (is_null(self::$instance)) {
            self::$instance = new Alternative_Heap();
        }
        return self::$instance;
    }

 /**
  * Delete all alternative heap directories and tables on uninstall
  */
 public static function uninstall_cleanup()
 {
     require_once 'lib/class-alternative-heap.php';
     $alt_heap = Alternative_Heap::init();
     // Deleting all tmp plugins directories...
     $alt_heap->delete_alt_plugins_dirs();
     // Deleting all tmp tables...
     $alt_heap->delete_tmp_wp_tables();
 }