/** * String representation of the exception * * @link http://pl2.php.net/manual/en/exception.tostring.php * @return string */ public function __toString() { if (version_compare(PHP_VERSION, '5.3.0', '<')) { if (null !== ($e = $this->_getPrevious())) { return $e->__toString() . "\n\nNext " . parent::__toString(); } } return parent::__toString(); }