/**
* @return string
*/
public function actionTag()
{
if (Yii::$app->getRequest()->getIsAjax()) {
Yii::$app->response->format = Response::FORMAT_JSON;
$query = Yii::$app->getRequest()->get('query');
if ($query != null) {
$rows = Tag::find()->where(['like', 'name', $query])->limit(5)->asArray()->all();
$tags = array_unique(ArrayHelper::getColumn($rows, 'name'));
$tags = array_values($tags);
return $tags;
}
}
throw new NotFoundHttpException();
}