if(!$xml->subs) {
                                foreach ($query->subs as $key => $value) {
                                    switch ($value->name) {
                                        case 'username':
                                            $username = $value->data;
                                            break;

                                        case 'password':
                                            $password = $value->data;
                                            break;
                                    }
                                }
							}