Re: Newbie - Undefined Index Variable
| From: | Daniel Brown | Date: | Fri, 07 Mar 2008 20:07:07 +0000 |
| Subject: | Re: Newbie - Undefined Index Variable | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-271146@lists.php.net to get a copy of this message | ||
On Fri, Mar 7, 2008 at 2:59 PM, revDAVE <Cool@hosting4days.com> wrote:
> I have this:
>
> <?php if (trim($_SESSION['nowtoctype']) == 'thistype')
>
> {print '<a href="page1.php">page1</a>';}else{print '<a
> href="
> page2.php">page2</a>';} ?>
>
> I will get the error:
>
> Notice: Undefined index: nowtoctype in ...
Check out isset(): http://php.net/isset
<?php
if(isset($_SESSION['nowtoctype']) && trim($_SESSION['nowtoctype'])
== 'thistype') {
echo "<a href=\"page1.php\">Page 1</a>\n";
} else {
echo "<a href=\"page2.php\">Page 2</a>\n";
}
?>
--
</Dan>
Daniel P. Brown
Senior Unix Geek
<? while(1) { $me = $mind--; sleep(86400); } ?>