public function search($params) { $query = Category::find(); $dataProvider = new ActiveDataProvider(['query' => $query, 'sort' => ['defaultOrder' => ['sort_order' => SORT_ASC]]]); if (!($this->load($params) && $this->validate())) { return $dataProvider; } $this->addCondition($query, 'id'); $this->addCondition($query, 'name', true); $this->addCondition($query, 'sort_order'); $this->addCondition($query, 'created_at'); $this->addCondition($query, 'updated_at'); $this->addCondition($query, 'deleted_at'); return $dataProvider; }