From:             sgunderson at bigfoot dot com
Operating system: Debian
PHP version:      5.3CVS-2009-02-28 (snap)
PHP Bug Type:     DOM XML related
Bug description:  No way of removing redundant xmlns: declarations

Description:
------------
There seems to be no good way of manipulating XML namespace declarations
at all. In particular, they never get garbage collected in any way, and you
cannot remove them manually, so they will stick around forever unless you
create a new one. My typical use case is shown in the reproduce code below
(although the element will typically have child elements).

Since 5.3 (bug #38949) it seems I can getAttribute() the xmlns element,
but still not remove it it any reasonable way (and it should really just
disappear by itself; it does in other languages).

Reproduce code:
---------------
<?php

$doc = new DOMDocument;
$doc->loadXML('<html xmlns="something"><element xmlns:ns="whatever"
ns:foo="bar" /></html>');
$root = $doc->documentElement;
$elem = $root->firstChild;
$elem->removeAttributeNode($elem->attributes->item(0));
print $doc->saveXML();

?>


Expected result:
----------------
<?xml version="1.0"?>
<html xmlns="something"><element/></html>


Actual result:
--------------
<?xml version="1.0"?>
<html xmlns="something"><element xmlns:ns="whatever"/></html>


-- 
Edit bug report at http://bugs.php.net/?id=47531&edit=1
-- 
Try a CVS snapshot (PHP 5.2):        
http://bugs.php.net/fix.php?id=47531&r=trysnapshot52
Try a CVS snapshot (PHP 5.3):        
http://bugs.php.net/fix.php?id=47531&r=trysnapshot53
Try a CVS snapshot (PHP 6.0):        
http://bugs.php.net/fix.php?id=47531&r=trysnapshot60
Fixed in CVS:                        
http://bugs.php.net/fix.php?id=47531&r=fixedcvs
Fixed in CVS and need be documented: 
http://bugs.php.net/fix.php?id=47531&r=needdocs
Fixed in release:                    
http://bugs.php.net/fix.php?id=47531&r=alreadyfixed
Need backtrace:                      
http://bugs.php.net/fix.php?id=47531&r=needtrace
Need Reproduce Script:               
http://bugs.php.net/fix.php?id=47531&r=needscript
Try newer version:                   
http://bugs.php.net/fix.php?id=47531&r=oldversion
Not developer issue:                 
http://bugs.php.net/fix.php?id=47531&r=support
Expected behavior:                   
http://bugs.php.net/fix.php?id=47531&r=notwrong
Not enough info:                     
http://bugs.php.net/fix.php?id=47531&r=notenoughinfo
Submitted twice:                     
http://bugs.php.net/fix.php?id=47531&r=submittedtwice
register_globals:                    
http://bugs.php.net/fix.php?id=47531&r=globals
PHP 4 support discontinued:          http://bugs.php.net/fix.php?id=47531&r=php4
Daylight Savings:                    http://bugs.php.net/fix.php?id=47531&r=dst
IIS Stability:                       
http://bugs.php.net/fix.php?id=47531&r=isapi
Install GNU Sed:                     
http://bugs.php.net/fix.php?id=47531&r=gnused
Floating point limitations:          
http://bugs.php.net/fix.php?id=47531&r=float
No Zend Extensions:                  
http://bugs.php.net/fix.php?id=47531&r=nozend
MySQL Configuration Error:           
http://bugs.php.net/fix.php?id=47531&r=mysqlcfg

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