NYCPHP Meetup

[Jonathan Face]

I just copied recreated your files and got:

session variables are GOOD
session variables are GOOD

You can see it here:
http://www.jonathanface.com/x.php

Sean wrote:

> Do you have register globals on?
>
> On 12/15/06, *LK* <lk613m at yahoo.com <mailto:lk613m at yahoo.com>> wrote:
>
>     Just as I was reading this thread on sesion variables I was having
>     a problem with my session variables getting changed on the fly
>     seemingly for no reason. I've isolated this problem and condensed
>     it to the bare minimum for you to see and comment upon:
>      
>     1. Create a file x.php:
>      
>     <?php
>     session_start();
>     $_SESSION['x'] = "session variables are GOOD";
>     ?>
>      
>     <html>
>     <body>
>      <a href="y.php">Go to y.php</a>
>     </body>
>     </html>
>     2. Create a file y.php
>      
>     <?php
>     session_start();
>      
>     echo $_SESSION['x']."<br/>";      // outputs session variables are
>     GOOD
>      
>     $x = "session variables are EVIL";
>      
>     echo $_SESSION['x'];      // outputs session variables are EVIL
>     ?>
>     Point your browser to x.php and click on the link "Go to y.php" to
>     invoke the y.php file.
>      
>     File x.php simply sets a session variable $_SESSION['x'].
>      
>     File y.php assigns an internal variable $x, and that all by itself
>     blows away $_SESSION['x'].
>      
>     The _GET and _POST variables do not have this problem.
>      
>     It's an easy fix simply to use a different name instead of $x, but
>     still... this is not a nice behaviour, if not an outright bug.
>      
>     - Leo.
>      
>      
>      
>     ----- Original Message ----
>     From: Brian Dailey < support at dailytechnology.net
>     <mailto:support at dailytechnology.net>>
>     To: NYPHP Talk <talk at lists.nyphp.org <mailto:talk at lists.nyphp.org>>
>     Sent: Thursday, December 14, 2006 11:49:22 AM
>     Subject: Re: [nycphp-talk] session variables "evil"?
>
>     I've been writing PHP for years now, and this is the first time I've
>     been aware of anyone complaining about oddities with $_SESSION
>     (granted,
>     I use it for little else than tracking user information). What
>     sort of
>     "oddities" have you seen?
>
>     - Brian
>
>     Allen Shaw wrote:
>     > Paul Houle wrote:
>     >> most applications that use session variables are "broken by
>     design".
>     >>
>     >
>     > Really?  That's a surprising assertion, though I'll agree my
>     surprise
>     > probably comes more from my own lack of insight than a flaw in your
>     > argument. Of course a quick google shows a few people hold that
>     session
>     > vars are "evil," but I can't find much to back up the idea.
>     >
>     > Can you elaborate, or give us a few links on the topic?
>     >
>     > (BTW, Paul, I'm sure you're not speaking without experience,
>     just want
>     > to clarify my own understanding a little more.)
>     >
>     > - Allen
>     >
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