Request::has PHP Method

        public static function has($key)
        {
            return \Illuminate\Http\Request::has($key);
        }

 public function getUsers(Request $request)
 {
     $yetkiler = Role::all();
     $count = $request->get('count');
     $page = $request->get('page');
     $filters = $request->get('filter');
     $sorting = $request->get('sorting');
     $results = new User();
     if (is_array($filters)) {
         foreach ($filters as $key => $filter) {
             $results = $results->where($key, 'like', "%" . urldecode($filter) . "%");
         }
     }
     if (is_array($sorting)) {
         foreach ($sorting as $key => $sort) {
             $results = $results->orderBy($key, $sort);
         }
     } else {
         $results = $results->orderBy('id', 'desc');
     }
     if ($request->has('count') && $request->has('page')) {
         $results = $results->skip($count * ($page - 1))->take($count);
     }
     $results = $results->get();
     $filter_yetkiler = Role::select('id', 'display_name as title')->get();
     return array('results' => $results, 'inlineCount' => User::count(), 'yetkiler' => $yetkiler, 'filter_yetkiler' => $filter_yetkiler);
 }