Okay, true. But they key here is the "act accordingly", meaning you
sanitize and validate the variable before using it anywhere. 

Sometimes the way it's represented is that just using $_GET['var'] is
going to make things more secure than using $var, which is not the case
unless you know what exactly $_GET['var'] contains and how you're using
it. 

---John W. Holmes...

PHP Architect - A monthly magazine for PHP Professionals. Get your copy
today. http://www.phparch.com/

-----Original Message-----
From: Leif K-Brooks [mailto:[EMAIL PROTECTED] 
Sent: Tuesday, March 25, 2003 8:15 PM
To: [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]
Subject: Re: [PHP] variables??

No, it is more secure.  The problem with register_globals is that ALL
variables become global - not just the ones you want to be.  Example:

if(something) $authorized = true;
if($authorized){
...do something requiring security...
}

A hacker could easily go to script.php?authorized=1, and gain access.
 If you only allow one variable in that ($_GET['var']), you will know
that the variable is from an outside source, and can act accordingly.

John W. Holmes wrote:

It is considered more secure to declare the variable explicitly.

$var = $_GET["var"];
    

Ummm... that's the same result as having register_globals on
(basically). You're not helping anything and it's certainly not any more
"secure".

---John W. Holmes...

PHP Architect - A monthly magazine for PHP Professionals. Get your copy
today. http://www.phparch.com/
 
  
I'm having a problem with form data being recognized by a php
        
script.
  
If I send information with a GET the variable data appears in
        
$GET[var]
    
but not $var.  >
        


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