['created_at' => $date]]; $view = '_gridViewAllUsers'; if ($user_id){ $params['user_id'] = $user_id; $view = '_gridViewOneUser'; } $dataProvider = $searchModel->search($params); return $this->render($view, [ 'dataProvider' => $dataProvider, ]); } public function actionGetReportsForMonthByIdYearMonth($year, $month, $user_id=null) { $searchModel = new ReportsSearch(); $dataProvider = $searchModel->search(Yii::$app->request->queryParams); $reports_array = array_column($dataProvider->getModels(), 'created_at'); $response = Yii::$app->response; $response->format = Response::FORMAT_JSON; $response->getHeaders()->set('Content-Type', 'application/json; charset=utf-8'); $response->content = json_encode($reports_array); return $response; } }