[TYPO3-dev] Processing complex XML data

[Steffen Kamper]

Hi Steffen,

Steffen Müller schrieb:
> Hi.
> 
> I'm struggling with handling XML data which I import from Amazon AWS. I
> hope to get some ideas from you.
> 
> I'm coding an extension which requests XML data from AWS using REST.
> My idea was to transform the XML to an array for further processing, but
> it turned out that this is not trivial at all.
> There's two properties of the XML data which turned out to be a problem:
> 
> 1) some elements are used several times:
> <author>Person1</author>
> <author>Person2</author>
> 
> 2) elements sometimes have attributes:
> <creator role="editor">Person3</creator>
> <creator role="translator">Person4</creator>
> 
> I tried t3lib_div::xml2array() but it does not support 1). I did not
> find other satisfying solutions in the web which both could handle 1) and 2)
> Then I tried simplexml_load_string() and used an object instead of an
> array. But the code got rather complex and looked ugly, because I had to
> use type casting and juggle with several objects. Also TYPO3 API mostly
> expect array parameters not objects.
> 
> Maybe someone has a good recommendation on how to handle complex XML as
> data basis.
> 
> Does the CR of FLOW3 have a XML model API?
> 

these structures in XML can't be processed with xml2array, this function 
expect TYPO3-typical XML.

Best you can do is to use php native XML-function for parsing, i had 
good results using SimpleXML
http://php.net/simplexml

vg Steffen