Piwik\Plugins\UsersManager\Controller::setIgnoreCookie PHP Method

    public function setIgnoreCookie()
    {
        Piwik::checkUserHasSomeViewAccess();
        Piwik::checkUserIsNotAnonymous();
        $salt = Common::getRequestVar('ignoreSalt', false, 'string');
        if ($salt !== $this->getIgnoreCookieSalt()) {
            throw new Exception("Not authorized");
        }
        IgnoreCookie::setIgnoreCookie();
        Piwik::redirectToModule('UsersManager', 'userSettings', array('token_auth' => false));
    }