Something

<?php
function parse_wmi($node,$instance){
ob_start();
passthru('wmic /node:'.$node.' '.$instance.' /format:xml');
$xmlstr=ob_get_clean();
$xml[] = simplexml_load_string($xmlstr);
return $xml;
foreach ($xml as $wmi){
echo $wmi->property.": ".$wmi->value;
}
}
?>