Ergo\Http\Url::_joinPathComponents PHP Method

    private function _joinPathComponents($path)
    {
        $result = null;
        foreach (func_get_args() as $p) {
            $leading = substr($p, 0, 1);
            $trailing = substr($result, -1);
            if (!empty($p) && $leading != '/' && $leading != '?' && $trailing != '/') {
                $result .= '/';
            }
            $result .= $p;
        }
        return $result;
    }