[ 'class' => 'yii\web\ErrorAction', ], ]; } public function actionIndex() { $cameras = []; foreach (Yii::$app->params['cameras'] as $id => $zm_id) { $cameras[$id] = Url::to(['camera/stream', 'id' => $id]); } return $this->render('index', [ 'cameras' => $cameras ]); } }