/**
  * Display a listing of the resource.
  *
  * @return Response
  */
 public function index()
 {
     $quizzes = Quiz::all();
     foreach ($quizzes as $key => $quiz) {
         if ((int) $quiz->area->county_id !== config('app.county')) {
             $quizzes->forget($key);
         }
     }
     return view('admin.quiz.index')->with('quizzes', $quizzes);
 }