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Bug #62107 SplStack serialization problem
Submitted: 2012-05-22 09:23 UTC Modified: 2012-12-09 03:47 UTC
From: ozland2004 at narod dot ru Assigned: levim (profile)
Status: Closed Package: SPL related
PHP Version: 5.3.13 OS: CentOS 5.4
Private report: No CVE-ID: None
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 [2012-05-22 09:23 UTC] ozland2004 at narod dot ru 
Description:
------------
SplStack object serialization works wrong

Test script:
---------------
$t = new SplStack();
$t->push(1);
var_dump(unserialize(serialize($t)));

Expected result:
----------------
object(SplStack)#32 (2) { ["flags":"SplDoublyLinkedList":private]=> int(6) ["dllist":"SplDoublyLinkedList":private]=> array(1) { [0]=> int(1) } } 

Actual result:
--------------
object(SplStack)#31 (2) { ["flags":"SplDoublyLinkedList":private]=> int(6) ["dllist":"SplDoublyLinkedList":private]=> array(0) { } }

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 [2012-05-23 05:31 UTC] reeze dot xia at gmail dot com 
SplStack makes use of SplDoubleLinkedList. It isn't serializable in PHP5.3

serialize method was introduced in PHP5.4 and 5.4 only:

http://svn.php.net/viewvc?view=revision&revision=313183
http://cn2.php.net/manual/en/spldoublylinkedlist.serialize.php
 [2012-12-09 03:47 UTC] levim@php.net
-Status: Open +Status: Closed -Assigned To: +Assigned To: levim
 [2012-12-09 03:47 UTC] levim@php.net 
Thank you for your bug report. This issue has already been fixed
in the latest released version of PHP, which you can download at 
http://www.php.net/downloads.php
 
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