public function actionReleaseActivity() { $request = yii::$app->request; $session = yii::$app->session; $user = $session['user']; $activity = new Activity(); $activity['id'] = Activity::getNewActivityId(); $activity['startdate'] = $request->post('startdate'); $activity['finishdate'] = $request->post('finishdate'); $activity['peoplenum'] = intval($request->post('peoplenum')); $activity['beginerId'] = $user['id']; $activity->save(); return $this->render("oneActivity", ['activity' => $activity, 'attendUsers' => array()]); }