Re: SESSION error -> Your script possibly relies on a session side-effect which existed until PHP 4.2.3.
- From: Erwin Moller <Since_humans_read_this_I_am_spammed_too_much@xxxxxxxxxxxxxxxx>
- Date: Tue, 29 Apr 2008 14:18:50 +0200
Rik Wasmus schreef:
On Tue, 29 Apr 2008 13:33:19 +0200, Erwin Moller <Since_humans_read_this_I_am_spammed_too_much@xxxxxxxxxxxxxxxx> wrote:
Erwin Moller schreef:
<snip>
Correction: It happens on all systems (also Windows on FF).
(luckily)
Looking into it myself now, but didn't find a thing yet. :-/
Erwin Moller
Does this trigger it:
<?php
ini_set('session.bug_compat_warn',1);
ini_set('session.bug_compat_42',1);
session_start();
$_SESSION['foo'] = NULL;
$foo = "foo";
?>
Yes, it does trigger it.
(I had to remove session_start() because that added another warning since I had autostart on on the machine)
If so, the warning will _not_ appear:
- if $_SESSION['foo'] exists and is not null
- there's no global variable named $foo
Aha, now I get the error.
Let me summarize: PHP is wasting time by checking if I use variablenames in my script that exists as a key in the $_SESSION?
Jeeez... What a waste of CPU resources. :P
I am surprised I never had this warning before, since I NEVER paid any attention to similarity in names in SESSION and my scriptvars. ;-)
Lousy error message BTW. Just act as usual I'd say, turn of session.bug_compat_warn & session.bug_compat_42.
Thanks Rik for your clear and fast reply.
And yes, very lousy description of the error/warning indeed.
I'll immediately change the php.ini to surpress these nonsense warnings.
Thanks.
Erwin Moller
.
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