Re: isset opposite
| From: | Matthew Sims | Date: | Wed, 17 Nov 2004 00:05:23 +0000 |
| Subject: | Re: isset opposite | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-202247@lists.php.net to get a copy of this message | ||
> Hi there.. I am pretty new to PHP, and I am familiar with php "isset"
> option.... now i was wondering.... (I have looked at the PHP site - but
> can not find it) how can you check if something is not set? I need to
> test if a $_GET is not set (not just empty).
>
> thanks in advance!
>
> d
>
I'm sure I'll be one of the many who says this:
!isset
The ! means not. You can use it with most of the functions like !empty
(not empty).
So you can use it like so:
if (!isset($_GET["var"])) {
do stuff
}
--
--Matthew Sims
--<http://killermookie.org>