基本上我想要做的是发送一封电子邮件,以便在3小时后发出订单。php添加小时至日期输出错误结果
我试图做的是获取当前日期(达到小时级别),然后与订单日期+3小时进行比较,以查看它是否匹配。
实例订购日期:2010-06-12 18,加3小时后应该成为2010-06-12 21
然而,加入小时后,最终的结果有时会变得更大,有时会变得越来越小东西...错误。
$now= date('Y-m-d H');
echo $now . "<br>";
...
...
while ($data = mysql_fetch_array ($result))
{
$orderid = $data['orderid'];
$orddate = $data['orddate'];
$corddate= date('Y-m-d H:i:s', $orddate);
$year = substr ($corddate, 0, 4);
$month = substr ($corddate, 5, 2);
$day = substr ($corddate, 8, 2);
$hour = substr ($corddate, 11, 2);
$actualorderdate= $year . "-" . $month . "-" . $day . " " . $hour;
$new_time = mktime ($hour+3, 0, 0, $month, $day, $year);
$year = date ('Y', $new_time);
$month = date ('m', $new_time);
$day= date ('d', $new_time);
$hour= date ('h', $new_time);
$xhourslater= $year . "-" . $month . "-" . $day . " " . $hour;
echo "actualorderdate: ". $actualorderdate. " xhourslater: " . $xhourslater. "<br>";
if($now==$xhourslater)
{
echo "now is 3 hours later" . "<br>";
//send email follow up, then update status as sent, in order not to resend anytime in the 3rd hour.
}
}