if (isset($_GET['assetId']) && $_GET['assetId']) {
        $assetId = preg_replace("([^\w\s\d\-_~,;\[\]\(\).])", '', $_GET['assetId']);
        error_log( "assetid is: " . $assetId);

        $users = new SimpleXMLElement('data/officeIDdata.xml', null, true);

        foreach ($users->xpath("//user[ipAddress='$assetId']/id") as $id) { }

        foreach ($users->xpath("//user[id='$id']/image") as $image){
            $dom=dom_import_simplexml($image);
            $dom->nodeValue = $assetId  ;
        }