tet

app/Http/Controllers/Admin/StudentController.php

@@ -54,7 +54,7 @@ class StudentController extends Controller
             } else {
                 $list = $list->sortByDesc($request->has('sort_field'));
             }
-            dd($request->input('sort_field_by', $request->has('sort_field_by'));
+            dd($request->input('sort_field_by'), $request->has('sort_field_by'));
         }