src/Knp/Menu/Twig/MenuExtension.php
public function render($menu, array $options = array(), $renderer = null)
    {
        return $this->helper->render($menu, $options, $renderer);
    }
public function render($menu, array $options = array(), $renderer = null)
    {
        return $this->helper->render($menu, $options, $renderer);
    }
public function render ( $ menu , array $ options = array ( ) , $ renderer = null ) { return $ this -> helper -> render ( $ menu , $ options , $ renderer ) ; }
Renders a menu with the specified renderer.

@param ItemInterface|string|array $menu
@param array                      $options
@param string                     $renderer

@return string
Renders a menu with the specified renderer .