public function search($params) { $query = KarmaUser::find(); $dataProvider = new ActiveDataProvider(['query' => $query]); // load the search form data and validate if (!($this->load($params) && $this->validate())) { return $dataProvider; } // adjust the query by adding the filters $query->andFilterWhere(['id' => $this->id]); $query->andFilterWhere(['user_id' => $this->user_id]); $query->andFilterWhere(['karma_id' => $this->karma_id]); return $dataProvider; }