static function Get_fb_application_cached($user_ID)
 {
     global $blog_id;
     $app_key = c_al2fb_transient_cache . md5('app' . $blog_id . $user_ID);
     $app = get_transient($app_key);
     if (get_option(c_al2fb_option_debug)) {
         $app = false;
     }
     if ($app === false) {
         $app = WPAL2Int::Get_fb_application($user_ID);
         $duration = WPAL2Int::Get_duration(false);
         set_transient($app_key, $app, $duration);
     }
     return $app;
 }