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Bug #47847 importNode loses the namespace of an XML element.
Submitted: 2009-03-31 11:20 UTC Modified: 2024-03-09 16:06 UTC
Votes:13
Avg. Score:4.4 ± 0.7
Reproduced:12 of 12 (100.0%)
Same Version:6 (50.0%)
Same OS:6 (50.0%)
From: robin2008 at altruists dot org Assigned: nielsdos (profile)
Status: Closed Package: DOM XML related
PHP Version: 5.2.9 OS: Ubuntu
Private report: No CVE-ID: None
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 [2009-03-31 11:20 UTC] robin2008 at altruists dot org 
Description:
------------
ImportNode don't treat namespace properly

Reproduce code:
---------------
<?php
// PHP 5.2.* namespace bug - A namespaced node loses its namespace on import if 
//		(i)  It has @xmlns=""
//		(ii) A namespaceURI of its parent's @xmlns

$aDOM= new DOMDocument();
$aDOM->appendChild($aDOM->createElementNS(' http://friend2friend.net ','f2f:a'));
echo 'DOM to add into is '.$aDOM->saveXML().chr(13);

$fromdom= DOMDocument::loadXML('<?xml version="1.0"?><f2f:data xmlns:f2f=" http://friend2friend.net "><f2f:servicereq xmlns=" http://friend2friend.net ">
<f2f:WATCH-MY-NAMESPACE xmlns=""/></f2f:servicereq></f2f:data>
');
echo 'Dom to import from is'.$fromdom->saveXML().chr(13);

$imported= $aDOM->importNode($fromdom->firstChild->firstChild, 1);
$aDOM->appendChild($imported);
echo 'Result is '.$aDOM->saveXML();
?>

Expected result:
----------------
Namespace should be preserved

Actual result:
--------------
Namespace gets lost

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 [2023-04-22 05:02 UTC] hunthealth8 at gmail dot com 
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 [2023-06-16 21:18 UTC] nielsdos@php.net
-Status: Open +Status: Closed -Assigned To: +Assigned To: nielsdos
 [2023-06-16 21:18 UTC] nielsdos@php.net 
The fix for this bug has been committed.
If you are still experiencing this bug, try to check out latest source from https://github.com/php/php-src and re-test.
Thank you for the report, and for helping us make PHP better.

Fixed via https://github.com/php/php-src/commit/b30be40b86b62fc681c432fd96840d8e57e172a5
 [2023-09-28 17:34 UTC] nielsdos@php.net
-Status: Closed +Status: Re-Opened
 [2023-09-28 17:34 UTC] nielsdos@php.net 
Had to revert the fix unfortunately because some applications are dependent on a particular serialization. See https://github.com/php/php-src/pull/12308
I'm planning to work on spec-compliance related issues in the near future (in an opt-in manner), so I will consider this issue as a part of that effort.
 [2024-03-09 16:06 UTC] nielsdos@php.net
-Status: Re-Opened +Status: Closed
 [2024-03-09 16:06 UTC] nielsdos@php.net 
The fix for this bug has been committed.
If you are still experiencing this bug, try to check out latest source from https://github.com/php/php-src and re-test.
Thank you for the report, and for helping us make PHP better.

This is fixed in the new opt-in spec-compliance mode, which was merged in https://github.com/php/php-src/pull/13031.
For more information about the opt-in mode, please see https://wiki.php.net/rfc/opt_in_dom_spec_compliance.
In short: the behaviour of the old DOM classes are unaffected for backwards-compatibility reasons. There are new DOM classes where your code is correctly handled.
This feature will be available in PHP 8.4.
 
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