function UpdateUser()
{
    $user = GetUserById($_GET['id']);
    if (isset($_POST['is_admin']) && isset($_POST['is_banned'])) {
        $userArray = array('id' => $user->id, 'is_admin' => $_POST['is_admin'], 'is_banned' => $_POST['is_banned']);
        $result = ModelFacade::UpdateUser($userArray);
        switch ($result[0]) {
            case 0:
                $success = 'User ' . $user->username . ' updated successfully';
                break;
            default:
                $error = 'There was an error updating the users database';
                break;
        }
        $user = GetUserById($_GET['id']);
        include_once '/Views/Admin/User.html';
    } else {
        header("Location: /AdminUsers.php");
    }
}