public menu ( Twig_Environment $env, string $identifier = '', string $template = '_sub_menu.twig', array $params = [], boolean $safe ) : string | null | ||
$env | Twig_Environment | |
$identifier | string | Identifier for a particular menu |
$template | string | The template to use. |
$params | array | Extra parameters to pass on to the menu template. |
$safe | boolean | |
return | string | null |