/**
  * Creates data provider instance with search query applied
  *
  * @param array $params
  *
  * @return ActiveDataProvider
  */
 public function search($params)
 {
     $query = MArticleMultArticle::find()->where(['gh_id' => Yii::$app->user->getGhid()])->orderBy(['sort_order' => SORT_DESC, 'article_mult_article_id' => SORT_DESC]);
     $dataProvider = new ActiveDataProvider(['query' => $query]);
     $query->andFilterWhere(['article_mult_id' => $this->article_mult_id]);
     if (!($this->load($params) && $this->validate())) {
         return $dataProvider;
     }
     $query->andFilterWhere(['article_mult_article_id' => $this->article_mult_article_id, 'article_mult_id' => $this->article_mult_id, 'article_id' => $this->article_id, 'sort_order' => $this->sort_order]);
     $query->andFilterWhere(['like', 'gh_id', $this->gh_id]);
     return $dataProvider;
 }