4-4 上課範例：admin/save.php

<?php
include_once "header_admin.php";

$sn=intval($_POST['sn']);

$sql="update `".$xoopsDB->prefix("contact")."` set `{$_POST['col']}` = '{$_POST['value']}' where sn = '$sn'";
$xoopsDB->queryF($sql) ;

echo $_POST['value'];
?>