public function actionList($query) { Yii::$app->response->format = Response::FORMAT_JSON; $items = []; $query = urldecode(mb_convert_encoding($query, "UTF-8")); foreach (Tag::find()->where(['like', 'name', $query])->asArray()->all() as $tag) { $items[] = ['name' => $tag['name']]; } return $items; }