simple xml add namespaced child

Question

I'm using SimpleXML to create an RSS feed for Google Products and I want to create a namespaced child but when I do for example

$item->addChild('g:id', 'myid');

it adds

<id>myid</id>

instead of

<g:id></g:id>

Besides I have added at the top

<rss xmlns:g="http://base.google.com/ns/1.0" version="2.0">

How can I add namespaced children?

Michael Berkowski · Accepted Answer · 2011-07-24 21:04:11Z

18

The namespace is the third parameter to addChild()

$item->addChild('id', 'myid', 'http://base.google.com/ns/1.0');

See the documentation for more information.

edited Jul 24, 2011 at 21:04

answered Jul 24, 2011 at 17:58

Michael Berkowski

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3 Comments

Ilian Andreev Over a year ago

it worked for me like $item->addChild('g:id', 'myid', 'http://base.google.com/ns/1.0');

Ilian Andreev Over a year ago

Yes because I figured it out even before you posted your answer and your answer was partially helpful anyway. But I'm going to give you back the answer acceptance because of the effort. Thank you :)

Antony Gibbs Over a year ago

php documentation says very little on this. this will generate something that looks like this: <id xmlns="base.google.com/ns/1.0">myid</id> Something I don't see in the php documentation but that I have seen in some code out there, doubling the namespace prefix seems to do the job. $item->addChild('g:g:id', 'myid'); will output <g:id>myid</g:id> Would be nice if some xml expert could confirm this is an acceptable approche.

Antony Gibbs · Accepted Answer · 2016-01-31 18:00:37Z

7

Without knowing if this is an official way of doing this, I found something that did the job:

$item->addChild('g:g:id', 'myid');

Found this on this code http://www.sanwebe.com/2013/08/creating-rss-feed-using-php-simplexml

answered Jan 31, 2016 at 18:00

Antony Gibbs

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2 Comments

outis Over a year ago

Note that this doesn't actually set the namespace for the node, though the result when serialized with SimpleXMLElement->asXML() is equivalent. Try $item->children('g', TRUE);.

jiheison Over a year ago

5.5 years later and this workaround is still necessary. Even the approved answer can not accomplish certain results.

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