Re: A "bad" Unix Timestamp?

Warren Oates wrote:
<snip>
> That's all fine. Then I think, well, it would be nice if I could tell
> the user something like "there's not that may days in $m" and I should
> be able to use strtotime() and date() -- but it turns out (and rightly
> so) that you can't create a "bad" Unix timestamp.
>
> For instance,
>
> date ("F d Y",strtotime("2004-09-31"));
>
> will return October 01 2004 and fwiw, so will
>
> date ("F d Y",mktime(0,0,0,9,31,2004));
>
> I can write a switch, of course, and there's only 5 cases (30 days
> hath September etc., plus February needs to be dealt with). It
> intrigues me, though, and I wondered if anyone else had played with it.

Something like this?

<?php
$user_date = '2004-09-31';
if (date('Y-m-d', strtotime($user_date)) != $user_date) {/* bad date */}
?>
--
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