public static function getCategorys($id = null) { $category = array(); foreach (BookCategory::find()->all() as $data) { $category[$data->id] = $data->name; } return empty($id) ? $category : $category[$id]; }
/** * Creates data provider instance with search query applied * * @param array $params * * @return ActiveDataProvider */ public function search($params) { $query = BookCategory::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, 'created_at' => $this->created_at]); $query->andFilterWhere(['like', 'name', $this->name]); return $dataProvider; }