Cake\Controller\Component\AuthComponent::redirectUrl PHP Метод

    public function redirectUrl($url = null)
    {
        if ($url !== null) {
            $redir = $url;
            $this->storage()->redirectUrl($redir);
        } elseif ($redir = $this->storage()->redirectUrl()) {
            $this->storage()->redirectUrl(false);
            if (Router::normalize($redir) === Router::normalize($this->_config['loginAction'])) {
                $redir = $this->_config['loginRedirect'];
            }
        } elseif ($this->_config['loginRedirect']) {
            $redir = $this->_config['loginRedirect'];
        } else {
            $redir = '/';
        }
        if (is_array($redir)) {
            return Router::url($redir + ['_base' => false]);
        }
        return $redir;
    }