#50670 [NEW]: Incorrect Iteration over large (10k elements) xml file

From: Date: Tue, 05 Jan 2010 18:57:45 +0000
Subject: #50670 [NEW]: Incorrect Iteration over large (10k elements) xml file
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-146362@lists.php.net to get a copy of this message
From:             niklas at frubar dot net
Operating system: Linux 2.6.9 x86_64  
PHP version:      5.3.1
PHP Bug Type:     SimpleXML related
Bug description:  Incorrect Iteration over large (10k elements) xml file

Description:
------------
When iterating over a large xml object and storing attributes of all 
nodes in an array, somehow the iteration gets reset (always at the same 
element)

Tested with 5.3.1 and php-5.3 svn HEAD, does not occur on php-5.2.12.

Reproduce code:
---------------
<?php
function traverse($node) 
{
	static $list;
	foreach ($node->children() as $child) traverse($child);
	$list[] = $node->attributes();
	echo $node['id'] . "\n";
}
traverse(new SimpleXMLElement('data.xml', null, true));

data.xml:
<?xml version="1.0"?>
<rowset>
<row id="1" />
[...]
<row id="14999" />
</rowset>

Expected result:
----------------
1
2
3
[.. continuous numbers ..]
14997
14998
14999


Actual result:
--------------
1
2
3
[.. continuous numbers ..]9994
9995
9996
2
3
4
[.. continuous numbers ..]
14997
14998
14999


-- 
Edit bug report at http://bugs.php.net/?id=50670&edit=1
-- 
Try a snapshot (PHP 5.2):            http://bugs.php.net/fix.php?id=50670&r=trysnapshot52
Try a snapshot (PHP 5.3):            http://bugs.php.net/fix.php?id=50670&r=trysnapshot53
Try a snapshot (PHP 6.0):            http://bugs.php.net/fix.php?id=50670&r=trysnapshot60
Fixed in SVN:                        http://bugs.php.net/fix.php?id=50670&r=fixed
Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=50670&r=needdocs
Fixed in release:                    http://bugs.php.net/fix.php?id=50670&r=alreadyfixed
Need backtrace:                      http://bugs.php.net/fix.php?id=50670&r=needtrace
Need Reproduce Script:               http://bugs.php.net/fix.php?id=50670&r=needscript
Try newer version:                   http://bugs.php.net/fix.php?id=50670&r=oldversion
Not developer issue:                 http://bugs.php.net/fix.php?id=50670&r=support
Expected behavior:                   http://bugs.php.net/fix.php?id=50670&r=notwrong
Not enough info:                     http://bugs.php.net/fix.php?id=50670&r=notenoughinfo
Submitted twice:                     http://bugs.php.net/fix.php?id=50670&r=submittedtwice
register_globals:                    http://bugs.php.net/fix.php?id=50670&r=globals
PHP 4 support discontinued:          http://bugs.php.net/fix.php?id=50670&r=php4
Daylight Savings:                    http://bugs.php.net/fix.php?id=50670&r=dst
IIS Stability:                       http://bugs.php.net/fix.php?id=50670&r=isapi
Install GNU Sed:                     http://bugs.php.net/fix.php?id=50670&r=gnused
Floating point limitations:          http://bugs.php.net/fix.php?id=50670&r=float
No Zend Extensions:                  http://bugs.php.net/fix.php?id=50670&r=nozend
MySQL Configuration Error:           http://bugs.php.net/fix.php?id=50670&r=mysqlcfg



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