Prado\Web\UI\WebControls\TXmlTransform::getSourceXmlDocument PHP Méthode

    private function getSourceXmlDocument()
    {
        if (($content = $this->getDocumentContent()) !== '') {
            $document = new DOMDocument();
            $document->loadXML($content);
            return $document;
        } else {
            if (($path = $this->getDocumentPath()) !== '') {
                $document = new DOMDocument();
                $document->load($path);
                return $document;
            } else {
                return null;
            }
        }
    }