public function actionIndex() { $data = Coupons::find()->where(['>', 'coupon_expire_time', time()]); $get = Yii::$app->request->get(); if (!empty($get)) { Coupons::setNewCoupon($get); $this->redirect('/coupon'); } $dataProvider = new ActiveDataProvider(['query' => $data]); return $this->render('index', ['dataProvider' => $dataProvider]); }