public function actionEdit($id = null, $gid = null) { if (Yii::$app->request->isAjax) { if ($model = $this->findModelByExercise($id, $gid)) { } else { $model = new CompleteExercise(); $model->exercise_id = $id; $model->given_task_id = $gid; } $date = new \DateTime(); $model->date = $date->getTimestamp(); if ($model->load(Yii::$app->request->post()) && $model->save()) { return $this->redirect(['task/taken', 'id' => $gid]); } //$exercise = \common\models\Exercise::findOne($id); return $this->renderAjax('edit', ['model' => $model]); } }