src/View/Helper/MenuHelper.php
public function renderNested(array $items, $level = 0)
    {
        $out = '';
        foreach ($items as $item) {
            $out .= $this->_renderItem($item, $level);
        }
        return $out;
    }
public function renderNested(array $items, $level = 0)
    {
        $out = '';
        foreach ($items as $item) {
            $out .= $this->_renderItem($item, $level);
        }
        return $out;
    }
public function renderNested ( array $ items , $ level = 0 ) { $ out = '' ; foreach ( $ items as $ item ) { $ out .= $ this -> _renderItem ( $ item , $ level ) ; } return $ out ; }
Render all nested items of a menu.

@param array $items The menu items to render.
@param int $level The current level of rendered menu items.
@return string The rendered items without an outer ul.
Render all nested items of a menu .