public function uploadFile(Request $ file){
$data =Input::file('file');
$informationdata = array('file' => $data);
$rules = array(
    'file' => 'required|mimes:xml|Max:10000000',
    );
    $validator=  Validator::make($informationdata, $rules);
    if($validator->fails()){
        echo 'the file has not the correct extension';
    } else{
        XmlParser::load($data->getRealPath());
    }

private function store($data){
    $destinationPath = public_path('uploads\');
    $fileName = $data->getClientOriginalName();
    $data->move($destinationPath,$fileName);
    $xml = simplexml_load_file($destinationPath.$fileName);
    }

$xml = new SimpleXMLElement($destinationPath.$fileName, null, true);

$xml = new DomDocument('1.0', 'utf-8'); // Or the right version and encoding of your xml file
$xml->load($destinationPath.$fileName);

$xml_object = simplexml_load_file($request->file('action')->getRealPath());