$id=$_GET['id'];
$cur_time=date(time());
if (!empty($_COOKIE['SHOP']['history']))
{
$history = explode(',', $_COOKIE['SHOP']['history']);
array_unshift($history, $id);
$history = array_unique($history);
while (count($history) > 3)
{
//将数组最后一个单元弹出，直到它的长度小于等于5为止
array_pop($history);
}
setcookie('SHOP[history]', implode(',', $history), $cur_time + 3600 * 24 * 30);
}else{
setcookie('SHOP[history]', $id, $cur_time + 3600 * 24 * 30);
}
$history =isset ($_COOKIE['SHOP']['history']) ? $_COOKIE['SHOP']['history'] : 0;
$his=explode(',',$history);
<?php
for($i=0;$i<sizeof($his);$i++){
$sql_co='select * from s_lea where id='.$his[$i];
$rs_co=mysql_query($sql_co);
$row_co=mysql_fetch_array($rs_co);
}
?>
