Zend FR

/**
     * @author Damien Lasserre <damien--------------->
     *
     * @param Zend_Navigation_Page $rootPage
     * @param $auth
     *
     * @return void
     */
    protected function getCollections(Zend_Navigation_Page &$rootPage, $auth)
    {
        /** @var Application_Model_CollectionMapper $collections */
        $collectionMapper = new Application_Model_CollectionMapper();
        /** @var array $collections */
        $collections = $collectionMapper->getCollections(array('myc_collections.id_user = '.$auth->getIdentity()->getId()));

        /** @var Application_Model_Collection $collection*/
        foreach ($collections as $collection)
        {
            $items = $collection->getItems();
            $childrens = array();
            foreach($items as $item) {
                $childrens[] = new Zend_Navigation_Page_Mvc(array(
                    'module'     => 'default',
                    'controller' => 'item',
                    'action'     => 'show',
                    'label'      => $item->getName(),
                    'icos'       => 'clipboard',
                    'active'     => false,
                    'route'      => 'itemRoute',
                    'params'     => array(
                        'id' => $item->getId(),
                        'title' => $this->Slug($item->getName())
                    )
                ));
            }
            $rootPage->addPage(new Zend_Navigation_Page_Mvc(array(
                'module'     => 'default',
                'controller' => 'collection',
                'action'     => 'show',
                'label'      => $collection->getName(),
                'icos'       => 'file-cabinet',
                'active'     => (
                    (($this->getRequest()->getControllerName() == 'collection' and
                    $this->getRequest()->getParam('id') == $collection->getId()))
                    ?true:false),
                'route'      => 'collectionRoute',
                'params'     => array(
                    'id' => $collection->getId(),
                    'title' => $this->Slug($collection->getName())
                ),
                'pages'     => $childrens
            )));
        }
    }

echo $this->navigation()->breadcrumbs()->setLinkLast(true)->setMaxDepth(2)->setSeparator('<span class="divider">»</span>');