Request example of parsing ORCID XML using php

[Yosef Branse]

Hello,

Can anyone show me an example of using php to parse the XML returned by an ORCID API call?
Although I have experience reading XML files, the use of namespaces requires
special techniques, which I haven't been able to apply.
The attached file, keyword.xml, containing 'common' and 'keyword' namespaces,
is an example - how do I extract the specific data such as  'created-date', 'content', etc.?
Any assistance would be greatly appreciated.

Thanks,
Yosef Branse
University of Haifa

[jeffre...@ost.orcid.org]

Hi Yosef,

Attaching a code snippet 

<?php

$xml = simplexml_load_file("./keyword.xml");

$xml->registerXPathNamespace('kw', 'http://www.orcid.org/ns/keyword');

foreach($xml->xpath('//kw:keywords') as $k) {

    $k->registerXPathNamespace('kw', 'http://www.orcid.org/ns/keyword');

    //var_export($k->xpath('//kw:keyword'));

    foreach($k->xpath('//kw:keyword') as $c) {

        $c->registerXPathNamespace('co', 'http://www.orcid.org/ns/common');

        $c->registerXPathNamespace('kw', 'http://www.orcid.org/ns/keyword');

        $created_date_sxe_arr = $c->xpath('//co:created-date');

        print("\ncreated-date: ".$created_date_sxe_arr[0]);

        $keyword_content_sxe_arr = $c->xpath('//kw:content');

        print("\ncontent: ".$keyword_content_sxe_arr[0]);

    }

}

print "\n";

using your xml file.

Cheers.