批量修改数据

if($amode == "all_modify") {
 for($i=0;$i<count($uid_hidden);$i++) { 
  if($uid_hidden[$i]) {
       $list = qhoo_fetch_array(qhoo_query("select * from $qhoo_goods_tab where uid = '$uid_hidden[$i]'"));
        if(($list[goods_point] != $uid_point[$i] or $list[goods_sale_price] != $uid_price[$i] or $list[goods_stock] != $uid_stock[$i]) and $uid_hidden[$i]) {
     $query = " update $qhoo_goods_tab set 
      goods_point = '$uid_point[$i]', goods_stock = '$uid_stock[$i]', goods_sale_price = '$uid_price[$i]' 
         where uid = '$uid_hidden[$i]'";
         qhoo_query($query);
     }
  }
 }