App\services\UploadsManager::breadcrumbs PHP 메소드

    protected function breadcrumbs($folder)
    {
        $folder = trim($folder, '/');
        $crumbs = ['/' => 'root'];
        if (empty($folder)) {
            return $crumbs;
        }
        $folders = explode('/', $folder);
        $build = '';
        foreach ($folders as $folder) {
            $build .= '/' . $folder;
            $crumbs[$build] = $folder;
        }
        return $crumbs;
    }