Saving XML with CDATA Using SimpleXML OR DOM

[icrwly]

Very, very lost here. I've created some SimpleXML using 'new SimpleXMLElement' and added a few child nodes using 'addChild'. I saved it to an XML document on my server, but it was one long string. To fix this, I imported the simpleXML over to DOM. The code is

$doc = new DOMDocument('1.0');

$doc->formatOutput = true;
$domnode = dom_import_simplexml($xml);
$domnode = $doc->importNode($domnode, true);
$domnode = $doc->appendChild($domnode);
$doc->save("xxx.xml");

Now my XML looks great but I need to add some CDATA tags. I'm trying to access the nodes that need CDATA tags and use 'createCDATASection' to add them in. However, I keep getting errors around not be able to convert the element to a string. My final XML structure is below. I'm trying to add CDATA tags for the Description nodes.

XML

<TW>
<Item>
<User></User>
<Description></Description>
<Location></Location>
<Time></Time>
</Item>
</TW>
<Item>
<User></User>
<Description></Description>
<Location></Location>
<Time></Time>
</Item>
</TW>

[Weedpacket]

And how are you attempting to use createCDATASection()? What is this "element that you're not being able to convert to a string"?

$domelement->appendChild($domdocument->createCDATASection('blahblah<fish&chips>blah'));

[icrwly]

Thanks for your help! I've gotten to the point where I can add cdata tags to new node elements, but not to existing ones. In my XML now, I want to replace:

<description>xxxyyy</description>

with

<description><![CDATA[xxxyyy]]></description>

I have code that loops through the XML to pull out all the description nodes, but the best I've been able to do is:

<description>xxxyyy<![CDATA[xxxyyy]]></description>

OR

<description>xxxyyy</description>
<![CDATA[xxxyyy]]>

My problem here is that I'm using appendChild and I think I need to use replaceChild. replaceChild gives me errors though, so.....thoughts?

[Weedpacket]

Without knowing anything about your code or the errors you're getting ... the only relevant thought I have is "replaceChild sounds about right".

[icrwly]

Here is the issue in the most basic form.

1. Import XML using DOM.
2. Locate node that needs CDATA tags.
3. Add CDATA tags.
4. Save XML.

[Weedpacket]

To which I can only reply

5. ....
6. Profit!

because it gives me no information about your code or the errors you're getting.

[icrwly]

I hear you. Thanks for trying to help! The errors were all over the place, depending on the solution I was trying at the time. Sorry for not being more descriptive. I finally came up with a hack which is to get the value of the node, remove it using removeChild, and add it back in using a combination of CreateElement, createCDATA, and appendChild. It's ugly, but it will do for now. Thanks again.