error_reporting(E_ALL | E_STRICT);

    //================ CHANGE ME ================
    $macAddress = strtolower(''); //Keep hyphenated
    $localIPAddress = '';
    //===========================================

    $port = 10000;
    $twenties = '202020202020';
    $ma = implode('', explode('-', $macAddress));
    $maReverse = implode('', array_reverse(explode('-', $macAddress)));
    $subscribe = pack('H*', '6864001e636c' . $ma . $twenties . $maReverse . $twenties);
    $on = pack('H*', '686400176463' . $ma . $twenties . '0000000001');
    $off = pack('H*', '686400176463' . $ma . $twenties . '0000000000');

    $socket = socket_create(AF_INET, SOCK_DGRAM, 0);
	socket_sendto($socket, $subscribe, strlen($subscribe), 0, $localIPAddress, $port);
    sleep(1);

	socket_sendto($socket, $on, strlen($on), 0, $localIPAddress, $port);
	sleep(1);
	socket_sendto($socket, $off, strlen($off), 0, $localIPAddress, $port);
	

    socket_close($socket);