/**
  * Gets the type of a category (either "hidden" or "normal").
  *
  * @param String $category
  *
  * @return String
  */
 public static function getCategoryType($category)
 {
     if (!isset(self::$categoriesService)) {
         self::$categoriesService = new CategoriesService();
     }
     $title = self::getCategoryTitle($category);
     $type = 'normal';
     if (!empty($title)) {
         $text = $title->getDBKey();
         if (self::$categoriesService->isCategoryHidden($text)) {
             $type = 'hidden';
         }
     }
     return $type;
 }