改变魔力的附件存放方式

$subpath = SAFE_MODE ? "" : implode('/', preg_split('//', intval($_INPUT['u']),  -1, PREG_SPLIT_NO_EMPTY));
$subpath = $_INPUT['attachpath'] ? $subpath : '';
$path = $bboptions['uploadfolder'] . '/' . $subpath;

function verify_attachment_path($userid)
    {
        global $bboptions;
        $subpath = SAFE_MODE ? "" : implode('/', preg_split('//', intval($userid),  -1, PREG_SPLIT_NO_EMPTY));
        $this->filepath = $bboptions['uploadfolder'] . '/' . $subpath;
        if ($this->make_attach_dir($this->filepath)) {
            return $this->filepath;
        } else {
            return false;
        }
    }