protected function parseSOAP12Response($xml)
    {
        $doc = new \DOMDocument('1.0', 'UTF-8');

        if ($doc->loadXML($xml) === false) {
            throw new Exception('Failed load xml');
        }

        $response = new Response();

        // Get the standard CDATA elements
        foreach (array('uri', 'checkedby', 'doctype', 'charset') as $var) {
            $element = $doc->getElementsByTagName($var);
            if ($element->length) {
                $response->{'set' . ucfirst($var)}($element->item(0)->nodeValue);
            }
        }

        // Handle the bool element validity
        $element = $doc->getElementsByTagName('validity');
        if ($element->length && $element->item(0)->nodeValue === 'true') {
            $response->setValidity(true);
        } else {
            $response->setValidity(false);
        }

        if (!$response->isValidity()) {
            $errors = $doc->getElementsByTagName('error');
            foreach ($errors as $error) {
                $response->addError(new Error($error));
            }
        }
        $warnings = $doc->getElementsByTagName('warning');
        foreach ($warnings as $warning) {
            $response->addWarning(new Warning($warning));
        }

        return $response;
    }