private function getXMLReport()
{
$fileScanner = new FileList();
$dom = new DOMDocument('1.0', 'utf-8');
// create report container
$websiteInfoNode = $dom->createElement('website_info');
$dom->appendChild($websiteInfoNode);
// gather server info and append it to the report
$wsEnv = new WebServerEnvInfo();
$wsEnvNode = $wsEnv->getXMLNode();
$dom->documentElement->appendChild($dom->importNode($wsEnvNode, true));
// gather cms list and append it to the report
$cmsDetector = new CmsVersionDetector($_SERVER['DOCUMENT_ROOT']);
$cmsListNode = $cmsDetector->getXMLNode();
$dom->documentElement->appendChild($dom->importNode($cmsListNode, true));
// retrieve list of files and append it to the report
$tmpXmlDoc = new DOMDocument();
$tmpXmlDoc->loadXML('<files>' . $fileScanner->getXMLFilelist() . '</files>');
$dom->documentElement->appendChild($dom->importNode($tmpXmlDoc->documentElement, true));
return $dom->saveXML();
}