creating multiple xml nodes with same namespaces in php

Question

I have the following code

    $dom = new DOMDocument('1.0', 'utf-8');        
    $headerNS = $dom->createElementNS('http://somenamespace', 'ttauth:authHeader');
    $accesuser = $dom->createElementNS('http://somenamespace', 'ttauth:Accessuser','aassdd');
    $accesscode = $dom->createElementNS('http://somenamespace', 'ttauth:Accesscode','aassdd');
    $headerNS->appendChild($accesuser);
    $headerNS->appendChild($accesscode);

    echo "<pre>";
    echo ($dom->saveXML($headerNS));
    echo "</pre>";

IT will produce the following xml as output

<?xml version="1.0" ?>
<ttauth:authHeader xmlns:ttauth="http://somenamespace">
<ttauth:Accessuser>
    ApiUserFor136
</ttauth:Accessuser>
<ttauth:Accesscode>
    test1234
</ttauth:Accesscode>
</ttauth:authHeader>

But I want the following output

<ttauth:authHeader xmlns:ttauth="http://somenamespace">

  <ttauth:Accessuser xmlns:ttauth="http://somenamespace">
    aassdd
  </ttauth:Accessuser>

  <ttauth:Accesscode xmlns:ttauth="somenamespace">
    aassdd
  </ttauth:Accesscode>

</ttauth:authHeader>

See the xmlns is not included in elements other than root element but I want xmlns to be included in all elements Is there anything I am doing wrong ??

Mircea · Accepted Answer · 2012-05-15 12:02:35Z

1

Probably the PHP parser does not add renaming of the same namespace "http://somenamespace" with the same prefix "ttauth" because it is redundant. Both xmls you shown ( the output and expected ) are equivalent. If you want to be sure you have the namespaces attributes as you want, you should add them manually by using addAtribute - http://www.php.net/manual/en/domdocument.createattribute.php. See the following code snippet:

$domAttribute = $domDocument->createAttribute('xmlns:ttauth');
$domAttribute->value = 'http://somenamespace';
$accessuser->appendChild($domAttribute);

Hope it helps

answered May 15, 2012 at 12:02

Mircea

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2 Comments

Faizan Ali Over a year ago

There is one problem with this too. When I append the same attribute to two child nodes it doesn't work :(

Mircea Over a year ago

That is a correct behavior. You should create different attribute for every child node even if it has the same content.

Faizan Ali · Accepted Answer · 2012-05-16 05:53:57Z

0

instead of using

$accesuser = $dom->createElementNS('http://somenamespace', 'ttauth:Accessuser','aassdd');

I used

$accesuser = $dom->createElement('http://somenamespace', 'ttauth:Accessuser','aassdd');

and then

$accesuser->setAttribute('xmlns:ttauth', ('http://somenamespace');

it works fine for any number of nodes

answered May 16, 2012 at 5:53

Faizan Ali

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