Yii2 sort

function actionIndex()
  {
      $sort = new Sort([
          "attributes" => [
              "age",
              "name" => [
                  "asc" => ["first_name" => SORT_ASC, "last_name" => SORT_ASC],
                  "desc" => ["first_name" => SORT_DESC, "last_name" => SORT_DESC],
                  "default" => SORT_DESC,
                  "label" => "Name",
              ],
          ],
      ]);
 
      $models = Article::find()
          ->where(["status" => 1])
          ->orderBy($sort->orders)
          ->all();
 
      return $this->render("index", [
           "models" => $models,
           "sort" => $sort,
      ]);
  }

 View:

 echo $sort->link("name") . " | " . $sort->link("age");

 foreach ($models as $model) {
     // display $model here
 }