/** * Creates data provider instance with search query applied * * @param array $params * * @return ActiveDataProvider */ public function search($params) { $query = UserGroupMessage::find(); $dataProvider = new ActiveDataProvider(['query' => $query]); $this->load($params); if (!$this->validate()) { // uncomment the following line if you do not want to return any records when validation fails // $query->where('0=1'); return $dataProvider; } $query->andFilterWhere(['id' => $this->id, 'author_id' => $this->author_id, 'group_id' => $this->group_id, 'createtime' => $this->createtime]); $query->andFilterWhere(['like', 'title', $this->title])->andFilterWhere(['like', 'message', $this->message]); return $dataProvider; }