判断代码：

$uuserid = $_GET['uid'];$member = array();if($uuserid) {        $member = C::t('common_member')->fetch_all($uuserid);        if(empty($member) && !($member = C::t('common_member_archive')->fetch_all($uuserid))) {                showmessage('space_does_not_exist');        }}