code: public static function findActive($orderBy = [], $activeColumn = 'is_active', $activeValue = 1)
      {
          /** @var self $model */
          $model = get_called_class();
          return $model::find()
              ->where([$model::tableName() . '.' . $activeColumn => $activeValue])
              ->orderBy($orderBy);
      }
docs: Gets all active
  @author Adeyemi Olaoye <yemi@cottacush.com>
  @param array $orderBy
  @param string $activeColumn
  @param int $activeValue
  @return ActiveQuery