Backend\UserController::activate PHP Method

    public function activate($id)
    {
        try {
            $this->user_manager->activateUser($id);
            return Redirect::to("{$this->link_type}/users")->with('success_message', trans('success_messages.user_activate'));
        } catch (Exception $e) {
            return Redirect::back()->withInput()->with('error_message', $e->getMessage());
        }
    }