PHP：日期大于当前日期

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我有这个代码：

$curdate = '22-02-2011'; $mydate = '10-10-2011'; if($curdate > $mydate) { echo '<span class="status expired">Expired</span>'; }

这将回覆过期但不应该因为$ mydate是在将来，因此比$ curdate小，但PHP正在查看前两个数字22和10而不是整个字符串。如何解决这个问题？

This would echo expired BUT shouldn't because $mydate is in the future and therefore smaller than the $curdate but PHP is looking at JUST the first two numbers 22 and 10 instead of the whole string. How can I fix this?

谢谢

推荐答案

两个时间戳首先，然后比较两个转换的值：

Try converting them both to timestamps first, and then compare two converted value:

$curdate=strtotime('22-02-2011'); $mydate=strtotime('10-10-2011'); if($curdate > $mydate) { echo '<span class="status expired">Expired</span>'; }

将它们转换为1970年1月1日以来的秒数，所以你的比较应该有效。

This converts them to the number of seconds since January 1, 1970, so your comparison should work.