Problem with summary file informations

Hi, I'm trying to extract some summary file informations with IIS. I've used a COM object, the Shell.Application, with the method GetDetailsOf. Under asp the script is ok but with php the values of the informations are null (empty). The code is this, i want to print some summary information on the text.txt file (i've insert some summary values on the properties file system, like Author, Copyright, etc...): $filesummary = new COM("Shell.Application") or die("COM Shell Application Problem."); $folder= $filesummary->Namespace (0); $fileinfo= $folder->ParseName("C:\\test.txt"); for ($i=0; $i<33; $i++) { print $i.") ".$folder->GetDetailsOf("",$i).": ".$folder->GetDetailsOf($fileinfo,$i)."<br>"; } When i run this script only the first seven values is full, all the others are null. Regards Enrico Zimuel