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As some of you may know I wrote a xml-cdr curl processing class in PHP for FreeSWITCH.  This was required because PHP4 did not have a native XML processor.  PHP5 is old enough that it should be installed everywhere now, and that usually provides a simple xml parsing library.  I like the simplexml stuff in PHP5 better than I do the stuff I wrote, so I will explain how to use it.

<?php

if(isset($_POST['cdr'])) {

$cdr = simplexml_load_string($_POST['cdr']);

// do your validation code here

// This is just an example, you would probably want to store this in a database instead

$fh = fopen(“/tmp/cdr.xml.”.uniqid(), ‘wb’);

fwrite($fh,”Channel created at ” . $cdr->callflow->times->created_time . “\n”);
fwrite($fh, $_POST['cdr'] . “\n\nprint_r\n\n”);
fwrite($fh,print_r($cdr,true).”\n\n”);
fclose($fh);

}
?>

That is all there is to it, much easier to use, although there is a slightly different way to access variables from what I had previously written.  You may notice the $cdr->callflow->times->created_time variable.  How this works is you have an XML file, callflow is a child of the root node, times is a child of callflow and created_time is a child of times.  It is fairly straight forward to process.  If you have multiple entries for example application nodes in the app_log node, you would access it as $cdr->app_log->application[0] and so on.