public function UpdateInfoPage(Request $request)
 {
     $user = \Auth::user();
     $id = $user->id;
     $email = $request->get('email');
     $phone = $request->get('phone');
     $c261 = $request->get('261');
     $c262 = $request->get('262');
     $c306 = $request->get('306');
     $c406 = $request->get('406');
     $python = $request->get('python_slide');
     $java = $request->get('java_slide');
     $c = $request->get('c_slide');
     $pref = $request->get('team-style');
     $std = User::find($id);
     $std->email = $email;
     $std->phoneNo = $phone;
     $std->save();
     $preferences = student_preferences::find($id);
     $preferences->python = $python;
     $preferences->java = $java;
     $preferences->c = $c;
     $preferences->teamStyle = $pref;
     $preferences->save();
     $classes = \DB::select(\DB::raw('(SELECT * FROM student_classes WHERE id = ' . $id . ')'));
     if (count($classes) > 0) {
         foreach ($classes as $c) {
             $class = student_classes::find($c->id);
             if ($class != null) {
                 $class->delete();
             }
         }
     }
     if ($c261 == 'on') {
         student_classes::create(['id' => $id, 'classID' => 1]);
     }
     if ($c262 == 'on') {
         student_classes::create(['id' => $id, 'classID' => 2]);
     }
     if ($c306 == 'on') {
         student_classes::create(['id' => $id, 'classID' => 3]);
     }
     if ($c406 == 'on') {
         student_classes::create(['id' => $id, 'classID' => 4]);
     }
     return redirect('home');
 }