From:             asanoki at gmail dot com
Operating system: Linux
PHP version:      5.2.12
PHP Bug Type:     Session related
Bug description:  $_SESSION illogical behaviour.

Description:
------------
No warning about using not allowed characters as a key in array $_SESSION.
It is illogical, and should raise a warning or notice.

In manual it is written that $_SESSION is a superglobal *associative
array* (http://pl.php.net/manual/pl/reserved.variables.session.php).
Additional restrictions to key names are illogical and unintuitive. Why do
a session serialization function uses diffrent algorithm than default
serialize() php function which works fine in such situations? 

Example. Using | character as a key in $_SESSION array causes damaging a
session file (it gets 0 bytes length) without any notice, warning or error.


I understand that it is mentioned in manual, but it is illogical,
unintuitive and should raise at least a warning.


Reproduce code:
---------------
/* Here is php code which reproduces this error. Fire it *twice*, and look
at output of a *second* execution. */

session_start();

echo "This was loaded from session:<br />\n";
var_dump($_SESSION);

$_SESSION["a|b"] = "asdasd";

echo "<br />\nThis is written to session:<br />\n";
var_dump($_SESSION);

Expected result:
----------------
This was loaded from session:
array(1) { ["a|b"]=> string(6) "asdasd" } 

This is written to session:
array(1) { ["a|b"]=> string(6) "asdasd" } 

Actual result:
--------------
This was loaded from session:
array(0) { } 

This is written to session:
array(1) { ["a|b"]=> string(6) "asdasd" } 

-- 
Edit bug report at http://bugs.php.net/?id=51127&edit=1
-- 
Try a snapshot (PHP 5.2):            
http://bugs.php.net/fix.php?id=51127&r=trysnapshot52
Try a snapshot (PHP 5.3):            
http://bugs.php.net/fix.php?id=51127&r=trysnapshot53
Try a snapshot (PHP 6.0):            
http://bugs.php.net/fix.php?id=51127&r=trysnapshot60
Fixed in SVN:                        
http://bugs.php.net/fix.php?id=51127&r=fixed
Fixed in SVN and need be documented: 
http://bugs.php.net/fix.php?id=51127&r=needdocs
Fixed in release:                    
http://bugs.php.net/fix.php?id=51127&r=alreadyfixed
Need backtrace:                      
http://bugs.php.net/fix.php?id=51127&r=needtrace
Need Reproduce Script:               
http://bugs.php.net/fix.php?id=51127&r=needscript
Try newer version:                   
http://bugs.php.net/fix.php?id=51127&r=oldversion
Not developer issue:                 
http://bugs.php.net/fix.php?id=51127&r=support
Expected behavior:                   
http://bugs.php.net/fix.php?id=51127&r=notwrong
Not enough info:                     
http://bugs.php.net/fix.php?id=51127&r=notenoughinfo
Submitted twice:                     
http://bugs.php.net/fix.php?id=51127&r=submittedtwice
register_globals:                    
http://bugs.php.net/fix.php?id=51127&r=globals
PHP 4 support discontinued:          http://bugs.php.net/fix.php?id=51127&r=php4
Daylight Savings:                    http://bugs.php.net/fix.php?id=51127&r=dst
IIS Stability:                       
http://bugs.php.net/fix.php?id=51127&r=isapi
Install GNU Sed:                     
http://bugs.php.net/fix.php?id=51127&r=gnused
Floating point limitations:          
http://bugs.php.net/fix.php?id=51127&r=float
No Zend Extensions:                  
http://bugs.php.net/fix.php?id=51127&r=nozend
MySQL Configuration Error:           
http://bugs.php.net/fix.php?id=51127&r=mysqlcfg

Reply via email to