public function initialize()
 {
     if (!sfConfig::get('app_sfErrorNotifier_enabled', true)) {
         return;
     }
     $this->dispatcher->connect('application.throw_exception', array('sfErrorNotifier', 'notify'));
     if (sfConfig::get('app_sfErrorNotifier_report404', false)) {
         $this->dispatcher->connect('controller.page_not_found', array('sfErrorNotifier', 'notify404'));
     }
     sfErrorNotifierErrorHandler::start();
 }
 protected static function _freeMemory()
 {
     self::$tmpBuffer = '';
 }