/**
  * Updates an existing TravellersCountries model.
  * If update is successful, the browser will be redirected to the 'view' page.
  * @param integer $id
  * @return mixed
  */
 public function actionUpdate($id)
 {
     $traveller = \frontend\models\Travellers::findOne($id);
     $model = new TravellersCountries();
     $model->travelled_country = Yii::$app->commoncomponent->getCountriesArray($traveller->travelledCountries);
     $model->lived_country = Yii::$app->commoncomponent->getCountriesArray($traveller->livedCountries);
     $model->favourite_country = Yii::$app->commoncomponent->getCountriesArray($traveller->favouriteCountries);
     $Countries = Yii::$app->commoncomponent->getAllCountriesArray();
     $TravellersBestThing = TravellersBestThing::find()->where(['traveller_id' => $id])->one();
     if ($model->load(Yii::$app->request->post())) {
         Yii::$app->commoncomponent->deleteTravellerCountries($id);
         Yii::$app->commoncomponent->saveTravellerCountries($model->travelled_country, $id, 'travelled_country');
         Yii::$app->commoncomponent->saveTravellerCountries($model->lived_country, $id, 'lived_country');
         Yii::$app->commoncomponent->saveTravellerCountries($model->favourite_country, $id, 'favourite_country');
         return $this->redirect(['travellers/imagegallery', 'id' => $model->traveller_id]);
     } else {
         return $this->render('update', ['model' => $model, 'traveller_id' => $id, 'TravellersBestThing' => $TravellersBestThing, 'Countries' => $Countries]);
     }
 }