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;
	}
}
?>