You may use PHP's own 
   foreach statement to iterate
   over the contents of a standard COM/OLE IEnumVariant.  In layman's terms,
   this means that you can use foreach in places where you would have used
   For Each in VB/ASP code.
  
示例 #1 For Each in ASP
<%
Set domainObject = GetObject("WinNT://Domain")
For Each obj in domainObject
  Response.Write obj.Name & "<br />"
Next
%>
示例 #2 foreach in PHP
<?php 
$domainObject = new COM("WinNT://Domain"); 
foreach ($domainObject as $obj) { 
   echo $obj->Name . "<br />"; 
} 
?>