Bolt\Controller\Backend\Authentication::logout PHP Метод

    public function logout(Request $request)
    {
        $event = new AccessControlEvent($request);
        /** @var Token $sessionAuth */
        $sessionAuth = $this->session()->get('authentication');
        $userName = $sessionAuth ? $sessionAuth->getToken()->getUsername() : false;
        if ($userName) {
            $this->app['logger.system']->info('Logged out: ' . $userName, ['event' => 'authentication']);
            $event->setUserName($userName);
        }
        $this->app['dispatcher']->dispatch(AccessControlEvents::LOGOUT_SUCCESS, $event);
        // Clear the session
        $this->accessControl()->revokeSession();
        $this->session()->invalidate(-1);
        // Clear cookie data
        $response = $this->redirectToRoute('login');
        $response->headers->clearCookie($this->app['token.authentication.name'], $request->getBasePath(), $this->getOption('general/cookies_domain'), $this->getOption('general/enforce_ssl'));
        return $response;
    }