AuthenticationManager::logout PHP Method

    public function logout(IWebUser $user)
    {
        Yii::app()->eventManager->fire(UserEvents::BEFORE_LOGOUT, new UserLogoutEvent(Yii::app()->getUser()));
        Yii::log(Yii::t('UserModule.user', 'User {user} was logout!', ['{user}' => $user->getState('nick_name')]), CLogger::LEVEL_INFO, UserModule::$logCategory);
        $user->logout();
        Yii::app()->eventManager->fire(UserEvents::AFTER_LOGOUT, new UserLogoutEvent());
        return true;
    }