$handle = mysql_connect("host", "user", "password");
if(!$handle || !(mysql_select_db("databasename", $handle)))
exit();
$sql = 'select skype_id from skype_prize where prize_id = * and sn = ' ' and to_days(update_time) = to_days(now()-1)';
//取出昨天没有充上话费的用户
$result = mysql_query($sql, $handle);
if(! $result)
dlog("Info",$sql ); //后台打印
while($row = mysql_fetch_row($result))
{
$skype_id = $row[0];
$product_id = number;
charge_skype(gen_order_id(), $skype_id, $product_id);//调用充值函数
}