<?php
// here you can directly run xpath queries to debug your tests
$Query = "//*[local-name()='p']";

$DOM = new DOMDocument();
$DOM->loadHTMLFile('test.html');
$X = new DOMXPath($DOM);
print $Query;
whois($X->query($Query));

function whois($nodeList)
{
    $return = array();
    foreach ($nodeList as $node) {
        $return[] = ($node->tagName . ($node->getAttribute('id') ? '#' . $node->getAttribute('id') : '') . ($node->getAttribute('class') ? '.' . join('.', split(' ', $node->getAttribute('class'))) : ''));
    }
    print "<pre>";
    print_r($return);
    print "</pre>";
}
?>