appendChild($descriptions->createElement("files"));        while (($uploadedFile = UploadedFiles::fetchNext()) != null){        $sourceFile = $uploadedFile->getSourceFile();        $sourceFileName = $sourceFile->getFileName();            $descriptionsFile = $descriptions->createElement("file");        $descriptionsFile->setAttribute("name", $sourceFileName);        $descriptionsFile->setAttribute("width", $sourceFile->getWidth());        $descriptionsFile->setAttribute("height", $sourceFile->getHeight());        $descriptionsFile->setAttribute("description", $uploadedFile->getDescription());        $descriptions->documentElement->appendChild($descriptionsFile);                    $sourceFile->save($galleryPath. "/" .$sourceFileName);    }            $descriptions->save("Descriptions.xml");?>