Hello,

On Sun, 16 Dec 2001, John Lim wrote:

> Doesn't this seem counter-intuitive? Can we improve the implementation
> somehow?

It does not to me, you need to check if $PIPPO exist in the session, and
the only way (when register globals is off) is to do that with isset
($_SESSION['PIPPO']).

Derick

>
> Regards, John
>
> <[EMAIL PROTECTED]> wrote in message
> [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > ID: 14540
> > Updated by: derick
> > Reported By: [EMAIL PROTECTED]
> > Status: Bogus
> > Bug Type: Session related
> > Operating System: linux 2.2.18 - glibc 2.1.3
> > PHP Version: 4.1.0
> > New Comment:
> >
> > Oops,
> >
> > here is the explanation:
> >
> > the function 'session_register()' 'registers' a variabele to a session. In
> other words, when the script ends, the value of this variabele is stored
> with the session.
> >
> > On the first run $PIPPO is empty (of course), and it is set to 'ONE'.
> > At the end of the script, the value is stored in the session file.
> >
> > At the second run, (PIPPO is still registered to the session, so
> session_register has no effect), empty($PIPPO) evalutes to TRUE again,
> because the value is in $_SESSION['PIPPO'], and thus PIPPO is set to 'ONE'
> again.
> > At the end of the script, the value of $PIPPO ('ONE') is saved to the
> session again.
> >
> > You can see more of this behavior, if you set error_reporting(E_ALL) to on
> in the script.
> >
> > Hope this explained it,
> > regards,
> >
> > Derick
> >
> > Previous Comments:
> > ------------------------------------------------------------------------
> >
> > [2001-12-16 05:15:53] [EMAIL PROTECTED]
> >
> > Hello,
> >
> > let me explain this,
> >
> > ------------------------------------------------------------------------
> >
> > [2001-12-15 22:32:36] [EMAIL PROTECTED]
> >
> > There is something I don't understand.
> >
> > I've updated to v4.1.0 and noticed that the recommended
> > configuration defaults register_globals to *Off*. I
> > understand the security reasons behind this choice. I've
> > tried to run one of my projects with the new interpreter
> > and the recommended settings (register_globals=Off). After
> > resolving a plenty of warnings, I noticed that things were
> > not working as I expected.
> >
> > This is a sample code:
> >
> > <?
> >     session_register('PIPPO');
> >     if (empty($PIPPO)) {
> >         $PIPPO = "ONE";
> >     } else {
> >         $PIPPO = "TWO";
> >     }
> >
> >     $sidfile = "/tmp/sess_" . $_COOKIE['PHPSESSID'];
> >
> >     echo "Session file $sidfile contains: <pre>";
> >     readfile($sidfile);
> >     echo "</pre>";
> >
> >     echo "The value is: $PIPPO<br>";
> > ?>
> >
> >
> > When I run and reload the script I get:
> >
> >     Session file /tmp/sess_87...blahblah...3e contains:
> >
> >     PIPPO|s:3:"ONE";maxrating|N;
> >
> >     The value is: ONE
> >
> > Why the first run sets the session variable to "ONE" and
> > the second run can't get it's value? In the latter case I
> > guess the answer is: "because you have to access it through
> > $HTTP_SESSION_VARS", but ... shouldn't it had to be the
> > same in the former case?
> >
> >
> > ------------------------------------------------------------------------
> >
> >
> >
> > Edit this bug report at http://bugs.php.net/?id=14540&edit=1
> >
>
>
>
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