Re: PHP Notice: Undefined variable
| From: | Comex | Date: | Sat, 04 Oct 2003 13:16:33 +0000 |
| Subject: | Re: PHP Notice: Undefined variable | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-165029@lists.php.net to get a copy of this message | ||
<20031004124554.24721.qmail@pb1.pair.com>
Nabil:
> I got PHP Notice: Undefined variable
>
> Should I define always any var ?? when do I have do define a var??
>
> example if I want to write
> <?php
> if ($_POST['msg'] =='hi')
> {
> do something ...
> }
<?php
if (!isset($_POST['msg'])) die("No message!");
if ($_POST['msg'] == 'hi')
{
// do something
}
?>