How to get MAC Address by using PHP

How to get MAC Address by using PHP

 


<?php



$rmIp = rtrim($_SERVER['REMOTE_ADDR']);

$location = rtrim(`arp -a $rmIp`);

//print_r($location);

$location = preg_replace('/\s+/', 's', $location);

$location = split('\s',$location);

$mac="";

$num=count($location);

//var_dump($location);

echo $mac=strtoupper($location[16]);



?>