cookie本地可以保留很久，下传到万网主机不行

$expire=time()+360000000;
setcookie('member[userID]',$userid,$expire);
setcookie('member[username]',$username,$expire);
setcookie('member[password]',$password,$expire);
setcookie('member[groupName]',urlencode($groupName),$expire);
setcookie('member[groupID]',$groupID,$expire);

if(isset($_COOKIE['member']))