ID:               40016
 User updated by:  mbechler at eenterphace dot org
 Reported By:      mbechler at eenterphace dot org
-Status:           Feedback
+Status:           Open
 Bug Type:         Session related
 Operating System: Any?
 PHP Version:      5.2.0
 New Comment:

well, actually seems to work using latest cvs.


Previous Comments:
------------------------------------------------------------------------

[2007-01-10 21:50:51] [EMAIL PROTECTED]

Please try using this CVS snapshot:

  http://snaps.php.net/php5.2-latest.tar.gz
 
For Windows:
 
  http://snaps.php.net/win32/php5.2-win32-latest.zip



------------------------------------------------------------------------

[2007-01-04 15:33:07] mbechler at eenterphace dot org

Have to correct me, it happens when register_long_arrays is Off (it was
late last night, sorry :))

------------------------------------------------------------------------

[2007-01-04 02:23:30] mbechler at eenterphace dot org

Description:
------------
When 'register_long_arrays' is enabled and a session variable is unset
within a foreach loop over $_SESSION the session is not written out
anymore, causing the changes to the session beeing lost.
(session_unregister works nice btw.)

Reproduced on various (patched and vanilla) 5.* (including 5.2.0)
versions on GNU/Linux

Some debugging showed that actually the internal pointer (in
ps_globals' http_session_vars zval) to the session hashtable are
wrecked when doing this so this seems not to be a ext/session issue but
more of a core issue.

----
Dump in php_session_flush:
gdb> print (*ps_globals.http_session_vars).value
$5 = {lval = 0x5a5a5a5a, dval = 1.7838867517321418e+127, str = {val =
0x5a5a5a5a <Address 0x5a5a5a5a out of bounds>, len = 0x5a5a5a5a}, ht =
0x5a5a5a5a, obj = {handle = 0x5a5a5a5a, handlers = 0x5a5a5a5a}}

Reproduce code:
---------------
<?php
session_start();

var_dump($_SESSION);

$_SESSION['test'] = 'blubb';
$_SESSION['foo'] = 'test';

foreach($_SESSION as $key => $val) {
        unset($_SESSION['test']);
}

var_dump($_SESSION);
?>


Expected result:
----------------
On first run:
array(9) {
}
array(1) {
  ["foo"]=>
  string(4) "test"
}

On second run:
array(1) {
  ["foo"]=>
  string(4) "test"
}
array(1) {
  ["foo"]=>
  string(4) "test"
}

Actual result:
--------------
On every run:
array(9) {
}
array(1) {
  ["foo"]=>
  string(4) "test"
}


------------------------------------------------------------------------


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