/**
  * Creates data provider instance with search query applied
  *
  * @param array $params
  *
  * @return ActiveDataProvider
  */
 public function search($params)
 {
     $query = WorkloadPtdisc::find()->byward();
     $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(['ref' => $this->ref, 'ward' => $this->ward, 'lastupdate' => $this->lastupdate]);
     $query->andFilterWhere(['like', 'hn', $this->hn])->andFilterWhere(['like', 'an', $this->an])->andFilterWhere(['like', 'title', $this->title])->andFilterWhere(['like', 'name', $this->name])->andFilterWhere(['like', 'surname', $this->surname])->andFilterWhere(['like', 'movestatus', $this->movestatus]);
     return $dataProvider;
 }