PhpSchool\CliMenu\CliMenuBuilder::buildSubMenus PHP Method

    private function buildSubMenus(array $items)
    {
        return array_map(function ($item) {
            if (!is_string($item)) {
                return $item;
            }
            $menuBuilder = $this->subMenus[$item];
            $this->subMenus[$item] = $menuBuilder->build();
            return new MenuMenuItem($item, $this->subMenus[$item], $menuBuilder->isMenuDisabled());
        }, $items);
    }