Re: trying to figure out the best/efficient way to tell whois logged into a site..

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(snipped)
"Ben" <ben@xxxxxxxxxxxxxxxxx> wrote in message 
news:43285F71.50101@xxxxxxxxxxxxxxxxxxxx
> Gustav Wiberg wrote:
>> if (isset($_REQUEST["frmUsername"])) {
>>
>> $un = $_REQUEST["frmUsername"];
>
> If you're going to use $_REQUEST you might as well just turn on register 
> globals (no, don't!).
>
> If you're expecting a post look for a $_POST, if you're expecting a get 
> look for a $_GET.  Ditto with cookies.  You really need to know where your 
> variables are coming from if you want a measure of security.

Why is using $_REQUEST a security issue?  You know every value in the entire 
array came from the end-user, and needs to be validated somehow.  If your 
code is written so the end-user can send this data to you via a 
POST/GET/COOKIE, why not use $_REQUEST?

Just trying to learn.
DanB

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