Pimcore\Tool\XmlWriter::addChildConsiderCdata PHP Method

    protected function addChildConsiderCdata($xml, $key, $data)
    {
        $sData = (string) $data;
        $child = @$xml->addChild($key, $sData);
        if ((string) $child != $sData) {
            $xml->{$key} = null;
            $child = $xml->{$key}->addCData((string) $data);
        }
        return $child;
    }