/**
* Create error logger
*
* @return Naf_ErrorLog_Interface
*/
private static function _logger()
{
if (null === self::$_logger) {
$class = empty(self::$settings['logger']) ? 'Naf_ErrorLog_Null' : self::$settings['logger'];
self::$_logger = new $class();
}
return self::$_logger;
}
