หา MAC address ด้วย php

<?php

* Getting MAC Address using PHP

* Md. Nazmul Basher

ob_start(); // Turn on output buffering

system('ipconfig /all'); //Execute external program to display output

$mycom=ob_get_contents(); // Capture the output into a variable

ob_clean(); // Clean (erase) the output buffer

$findme = "Physical";

$pmac = strpos($mycom, $findme); // Find the position of Physical text

$mac=substr($mycom,($pmac+36),17); // Get Physical Address

echo $mac;