<?php function getMac ( $Ip) { if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') { $output = shell_exec("nbtstat -a $Ip"); $output = explode("\n",$output); $mac_line = explode ("=", $output[ sizeof($output)-3 ]); $sMacAddress = trim($mac_line[1]); } else { $location = `which arp`; $arpTable = `$location \n $Ip`; $arpSplitted = split("\n",$arpTable);

foreach ($arpSplitted as $value) {

$valueSplitted = split(" ",$value);

foreach ($valueSplitted as $spLine) {

if (preg_match("/$Ip/",$spLine)) { reset($valueSplitted);

foreach ($valueSplitted as $spLine) { if (preg_match("/[0-9a-f][0-9a-f][:-]". "[0-9a-f][0-9a-f][:-]". "[0-9a-f][0-9a-f][:-]". "[0-9a-f][0-9a-f][:-]". "[0-9a-f][0-9a-f][:-]". "[0-9a-f][0-9a-f]/i",$spLine)) { $sMacAddress = $spLine; break; } } } } }

} return $sMacAddress; } print getmac($REMOTE_ADDR); ?>