FluidTYPO3\Flux\Hooks\WizardItemsHookSubscriber::trimItems PHP Метод

    protected function trimItems(array $items)
    {
        $preserveHeaders = array();
        foreach ($items as $name => $item) {
            if (FALSE !== strpos($name, '_')) {
                array_push($preserveHeaders, reset(explode('_', $name)));
            }
        }
        foreach ($items as $name => $item) {
            if (FALSE === strpos($name, '_') && FALSE === in_array($name, $preserveHeaders)) {
                unset($items[$name]);
            }
        }
        return $items;
    }