/** * set configuration */ protected function _setConfig() { if (null === self::$_config) { if (file_exists(self::$_cnf_file)) { try { self::$_config = new Zend_Config_Ini(self::$_cnf_file, self::$_env); } catch (Zend_Config_Exception $e) { trigger_error($e->getMessage()); exit; } } } }