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Bug #25551 Session data loss when accessing session from multiple windows.
Submitted: 2003-09-15 16:51 UTC Modified: 2003-09-17 01:14 UTC
Votes:2
Avg. Score:4.0 ± 1.0
Reproduced:2 of 2 (100.0%)
Same Version:1 (50.0%)
Same OS:1 (50.0%)
From: brett at realestate-school dot com Assigned:
Status: Not a bug Package: Session related
PHP Version: 4.2.3 OS: Linux - Red Hat
Private report: No CVE-ID: None
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 [2003-09-15 16:51 UTC] brett at realestate-school dot com 
Description:
------------
Problem: You have a main window that manipulates and diplays data from a $_SESSION array. You cannot open a popup window, then manipulate your sessions in the main window, then reload your popup window without corrupting your session. 

At first glance, it seems to work right, but once you start testing, you realize that it just doesn't work. Sometimes you get the correct data, usually you don't. I'm using version 4.2.3 (yes i know...upgrade), but I originally saw this reported as a bug in an earlier PHP version and the PHP team said it wasn't a bug, not because they tested it, but because they said it was impossible for it to happen due to the way PHP is written because PHP serializes all session requests, locks the sessions..blah, blah, blah. I can therefore, only assume that the bug still exists in later versions as it is present in version 4.2.3 and I've found no reports of it being fixed or even acknowledged as a bug. I found at least one other person on phpbuilder.com who had the same problem and finally solved it by giving up on sessions and passing his data in a query string.

Config Info:

Env: i386-redhat-linux-gnu

'./configure' '--prefix=/usr/local/' '--with-apache=../../new_apache/apache_1.3.27' '--with-openssl=/usr/local/ssl' '--enable-shared' '--enable-versioning' '--enable-pic' '--disable-posix-threads' '--with-openssl=/usr/local/ssl' '--disable-debug' '--enable-magic-quotes' '--disable-rpath' '--with-zlib' '--enable-bcmath' '--enable-calendar' '--enable-ftp' '--enable-exif' '--with-curl=/usr' '--with-cybercash=/usr/local/cybercash/mck-3.2.0.6-i586-pc-linux-gnulibc2.1' '--with-gdbm=/usr' '--enable-dbase' '--with-gd=/usr/local' '--enable-gd-native-ttf' '--with-jpeg-dir=/usr' '--with-png-dir=/usr' '--with-freetype-dir=/usr' '--with-gmp' '--with-imap=/usr/local' '--with-imap-ssl=/usr/local/ssl' '--enable-mbstring' '--enable-mbstr-enc-trans' '--enable-mbregex' '--with-mcrypt=/usr' '--with-mhash=/usr' '--with-mysql=/usr/local/mysql' '--enable-sockets' '--with-regex=system' '--enable-wddx' '--with-expat-dir=/usr' '--enable-xslt' '--with-xslt-sablot=/usr' '--enable-inline-optimization'

Reproduce code:
---------------
My code is way too big to post here. If anyone wants to take this bug seriously, please e-mail me at brett at realestate-school.com (address obfuscated..just format it like a normal e-mail address) and I will provide code samples.

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 [2003-09-16 12:38 UTC] sniper@php.net 
Thank you for taking the time to report a problem with PHP.
Unfortunately you are not using a current version of PHP -- 
the problem might already be fixed. Please download a new
PHP version from http://www.php.net/downloads.php

If you are able to reproduce the bug with one of the latest
versions of PHP, please change the PHP version on this bug report
to the version you tested and change the status back to "Open".
Again, thank you for your continued support of PHP.

We're already at 4.3.3 in which many session bugs have been fixed (compared to 4.2.3).
 [2003-09-16 13:33 UTC] brett at realestate-school dot com 
After 2 weeks of searching, I have not found one report of this being fixed in any PHP version. I am not able to upgrade my version of PHP to test this on newer versions. Please do not close this issue until someone has.
 [2003-09-17 01:14 UTC] sniper@php.net 
It's not our problem if you can't upgrade.
And sessions work just fine. You're either doing something
wrong or there was some bug fixed, related/not related to sessions.
 
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