<?
$sql="select * from tb_chatads";
$res=mysql_query($sql);
if ($res)
{
while ($row=mysql_fetch_assoc($res))
{
$ed=$row["enddate"];
$t=time();
if ($t>$ed)
{
$id=$row["id"];
$sql="delete from tb_chatads where id='$id'";
mysql_query($sql);
}
}
}
?>