//金額小於5W 並且狀態=0  支付時間大於15天   更改狀態為 1，並轉帳到會員餘額
$sql1 = "select id,userid,price,payment_time from `" . $dbpre . "auction_record` where price < 5000 and status=0 order by id desc";

$query1 = mysql_query($sql1, $conn);
while ($row1 = mysql_fetch_array($query1)) {
    //判斷是否小於5W
    $dqtime = time();//當前時間
    $paytime = $row1['payment_time'];//支付時間
    $payment_time = intval(($dqtime - $paytime) / 24 / 60 / 60);
    if($payment_time > 15){
        sleep(2);
        echo $row1['id'].",";
        ob_flush();
        flush();
    }
}