public function actionCreateAjax($modelName, $modelID) { $model = new Comentarios(); if ($model->load(Yii::$app->request->post())) { $model->model = $modelName; $model->model_id = $modelID; if ($model->save()) { Yii::$app->response->format = 'json'; return ['modelP' => $model]; } } return $this->renderAjax('createajax', ['model' => $model, 'modelNameOrigen' => $modelName, 'modelIDOrigen' => $modelID]); }