#38850 [Fbk->Opn]: lookupNamespaceURI does not return default namespace

From: Date: Fri, 15 Sep 2006 23:45:22 +0000
Subject: #38850 [Fbk->Opn]: lookupNamespaceURI does not return default namespace
References: 1  Groups: php.bugs 
Request: Send a blank email to php-bugs+get-102257@lists.php.net to get a copy of this message 
 ID:               38850
 User updated by:  reanjr at reanjr dot org
 Reported By:      reanjr at reanjr dot org
-Status:           Feedback
+Status:           Open
 Bug Type:         XML related
 Operating System: Win XP
-PHP Version:      5.1.6
+PHP Version:      5.1.6 and 5.2
 New Comment:

Tried in 5.2 CVS release.  Same problem.


Previous Comments:
------------------------------------------------------------------------

[2006-09-15 23:07:20] tony2001@php.net

Please try using this CVS snapshot:

  http://snaps.php.net/php5.2-latest.tar.gz
 
For Windows:
 
  http://snaps.php.net/win32/php5.2-win32-latest.zip



------------------------------------------------------------------------

[2006-09-15 22:50:10] reanjr at reanjr dot org

Description:
------------
DOMNode->lookupNamespaceURI( prefix ) returns an empty string when
prefix is empty.

According XML DOM Level 3 spec, when passed a null value,
lookupNamespaceURI should return the default namespace for the node.


Reproduce code:
---------------
------------
test.xml
------------
<root xmlns="http://example.com/ns">
  <!-- nothing to see here -->
</root>

------------
test.php
------------
$doc = DOMDocument::Load( 'test.xml' );
$node = $doc->documentElement;
$ns = $node->lookupNamespaceURI( null );  // or pass ''
echo( "namespace: $ns" );

Expected result:
----------------
Expected output
namespace: http://example.com/ns

Actual result:
--------------
Actual output
namespace: 


------------------------------------------------------------------------


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