Posted by Jason Wong on 01/08/05 15:02

On Saturday 08 January 2005 19:02, Tim Burgan wrote:

> Can someone please correct me on my efforts below.
> If I have a condition where I want to test if a variable is not equal to
> "student", "staff", or "admin".. what's the simplest was to achieve that?
>
> Here's what I tried.. that didn't work:
>
> <?php
> if ( ($_POST['usertype'] != "student") || ($_POST['usertype'] !=
> "staff") || ($_POST['usertype'] != "admin") )
> {
> // ...
> }
> ?>

You need to use 'AND' (or '&&').

Or you can use in_array():

$usertype = array('student', 'staff', 'admin');
if (in_array($_POST['usertype'], $usertype)) {
// valid usertype;
} else {
// invalid usertype
}

--
Jason Wong -> Gremlins Associates -> www.gremlins.biz
Open Source Software Systems Integrators
* Web Design & Hosting * Internet & Intranet Applications Development *
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