| static public undefined_filter ( string $filter_name ) : boolean | Twig_SimpleFilter | ||
| $filter_name | string | |
| return | boolean | Twig_SimpleFilter | |
static function undefined_filter($filter_name)
{
return new \Twig_SimpleFilter($filter_name, function () use($filter_name) {
return apply_filters($filter_name, func_get_arg(0));
}, array('is_safe' => array('all')));
}