Zend FR

<?xml version="1.0" encoding="UTF-8"?>
<configdata>
    <nav>
        <default>
            <label>Accueil</label>
            <controller>index</controller>
            <action>index</action>
            <privilege>guest</privilege>
            <resource>default.index</resource>
            <pages>
                <news>
                    <label>Nouvelles</label>
                    <controller>nouvelles</controller>
                    <action>index</action>
                    <privilege>guest</privilege>
                </news>
            </pages>
        </default>
    </nav>
</configdata>

    protected function _noRender()
    {
        $this->view->layout()->disableLayout();
        $this->_helper->viewRenderer->setNoRender(true);
        $this->getResponse()->clearAllHeaders();
    }

    public function sitemapAction()
    {
        $this->_noRender();
        $this->getResponse()->setHeader('Content-Type', 'application/xhtml+xml; charset=utf-8', true);

        echo $this->view->navigation()->sitemap();
    }

echo $this->navigation()->breadcrumbs();

echo $this->navigation()->menu()->render();

    protected function _initNavigation()
    {
        $view = $this->bootstrap('layout')->getResource('layout')->getView();
        $config = new Zend_Config_Xml(APPLICATION_PATH . '/configs/navigation.xml', 'nav');
        $config = $config->toArray();

        //création du menu
        $nav = new Zend_Navigation($config);
        $view->navigation($nav);

        //lien de situation
        $view->navigation()->breadcrumbs()->setMinDepth(0)->setLinkLast(true)->setSeparator(' ▶ ');
        //->setMaxDepth(1)
    }