/**
* Constructor
*
* @param string $message
* @param string $xml
*/
public function __construct($message = null, $xml = null)
{
parent::__construct($message);
$this->_xml = (string) $xml;
}
/**
* Constructor
*
* @param string $message Error message
* @param integer $code Error code
* @param string $url URL accessed during failure
*/
public function __construct($message = null, $code = null, $url = null)
{
parent::__construct($message, $code);
$this->_url = (string) $url;
}