/**
  * Creates data provider instance with search query applied
  *
  * @param array $params
  *
  * @return ActiveDataProvider
  */
 public function search($params)
 {
     $query = chaptersection::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(['order' => $this->order, 'created_at' => $this->created_at, 'updated_at' => $this->updated_at, 'id' => $this->id]);
     $query->andFilterWhere(['like', 'chapter_id', $this->chapter_id])->andFilterWhere(['like', 'purpose', $this->purpose])->andFilterWhere(['like', 'overview', $this->overview])->andFilterWhere(['like', 'setting', $this->setting])->andFilterWhere(['like', 'who', $this->who])->andFilterWhere(['like', 'description', $this->description])->andFilterWhere(['like', 'created_by', $this->created_by])->andFilterWhere(['like', 'updated_by', $this->updated_by]);
     return $dataProvider;
 }
 public function actionXml()
 {
     $models = chaptersection::find()->all();
     $data = array_map(function ($model) {
         return $model->attributes;
     }, $models);
     $response = Yii::$app->response;
     $response->format = Response::FORMAT_XML;
     $response->data = $data;
     return $response;
 }