Bug #52640 [NEW]: Odd Garbage collection Behaviour with Dom Node

From: Date: Wed, 18 Aug 2010 22:32:35 +0000
Subject: Bug #52640 [NEW]: Odd Garbage collection Behaviour with Dom Node
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-153591@lists.php.net to get a copy of this message 
From:             
Operating system: Linux
PHP version:      5.3.3
Package:          DOM XML related
Bug Type:         Bug
Bug description:Odd Garbage collection Behaviour with Dom Node

Description:
------------
Variables added to dom nodes are later unset. This behaviour does not
appear to happen with other types of PHP objects. 

Test script:
---------------
<?php

$blah = new stdClass;
function humbug()
{
/* Behaviour changes when uncommented. Think this is a GC bug.
    global $node;
*/

    global $blah;
    $doc = new domDocument('1.0', 'utf-8');
    $blah->doc = $doc;
    $node = $doc->createElement('node');
    $doc->appendChild($node);

    $node->foo = true;

    $obj = new stdClass;
    $blah->obj = $obj;
    $obj->child = new stdClass;
    $obj->child->foo = true;
}

humbug();
echo "Should be set: ".$blah->doc->firstChild->foo."<BR>\n";
echo "Is Set: ".$blah->obj->child->foo."<BR>\n";

?>

Expected result:
----------------
I would expect that $blah->doc->firstChild->foo would be set after the
function call. 


-- 
Edit bug report at http://bugs.php.net/bug.php?id=52640&edit=1
-- 
Try a snapshot (PHP 5.2):            http://bugs.php.net/fix.php?id=52640&r=trysnapshot52
Try a snapshot (PHP 5.3):            http://bugs.php.net/fix.php?id=52640&r=trysnapshot53
Try a snapshot (trunk):              http://bugs.php.net/fix.php?id=52640&r=trysnapshottrunk
Fixed in SVN:                        http://bugs.php.net/fix.php?id=52640&r=fixed
Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=52640&r=needdocs
Fixed in release:                    http://bugs.php.net/fix.php?id=52640&r=alreadyfixed
Need backtrace:                      http://bugs.php.net/fix.php?id=52640&r=needtrace
Need Reproduce Script:               http://bugs.php.net/fix.php?id=52640&r=needscript
Try newer version:                   http://bugs.php.net/fix.php?id=52640&r=oldversion
Not developer issue:                 http://bugs.php.net/fix.php?id=52640&r=support
Expected behavior:                   http://bugs.php.net/fix.php?id=52640&r=notwrong
Not enough info:                     http://bugs.php.net/fix.php?id=52640&r=notenoughinfo
Submitted twice:                     http://bugs.php.net/fix.php?id=52640&r=submittedtwice
register_globals:                    http://bugs.php.net/fix.php?id=52640&r=globals
PHP 4 support discontinued:          http://bugs.php.net/fix.php?id=52640&r=php4
Daylight Savings:                    http://bugs.php.net/fix.php?id=52640&r=dst
IIS Stability:                       http://bugs.php.net/fix.php?id=52640&r=isapi
Install GNU Sed:                     http://bugs.php.net/fix.php?id=52640&r=gnused
Floating point limitations:          http://bugs.php.net/fix.php?id=52640&r=float
No Zend Extensions:                  http://bugs.php.net/fix.php?id=52640&r=nozend
MySQL Configuration Error:           http://bugs.php.net/fix.php?id=52640&r=mysqlcfg

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