<?

    $myip = $hostIP; //Doesn't seem to be really used
    $mymac = "00-0c-29-3e-b1-4f"; //Used for the access control/validation, but not after that AFAIK
    $appstring = "PHP..samsung"; //What the iPhone app reports
    $tvappstring = "PHP.UE40D8005.samsung"; //Might need changing to match your TV type
    $remotename = "PHP Remote"; //What gets reported when it asks for permission/also shows in General->Wireless Remote Control menu


    $sock = socket_create(AF_INET, SOCK_STREAM, getprotobyname('tcp'));
    $result = socket_connect($sock, $tvip, '55000');
    if( $result === false)
       die ("Could not create socket: <br />");



    $ipencoded = base64_encode($myip);
    $macencoded = base64_encode($mymac);
    $messagepart1 = chr(0x64) . chr(0x00) . chr(strlen($ipencoded)) . chr(0x00) . $ipencoded . chr(strlen($macencoded)) . chr(0x00) . $macencoded . chr(strlen(base64_encode($remotename))) . chr(0x00) . base64_encode($remotename);

    $part1 = chr(0x00) . chr(strlen($appstring)) . chr(0x00) . $appstring . chr(strlen($messagepart1)) . chr(0x00) . $messagepart1;

    socket_write($sock, $part1, strlen($part1));
    echo $part1;
    echo "\n";

    $messagepart2 = chr(0xc8) . chr(0x00);
    $part2 = chr(0x00) . chr(strlen($appstring)) . chr(0x00) . $appstring . chr(strlen($messagepart2)) . chr(0x00) . $messagepart2;
    socket_write($sock, $part2, strlen($part2));
    echo $part2;
    echo "<br />";


    $key = "KEY_INFO";
    $messagepart3 = chr(0x00) . chr(0x00) . chr(0x00) . chr(strlen(base64_encode($key))) . chr(0x00) . base64_encode($key);
    $part3 = chr(0x00) . chr(strlen($tvappstring)) . chr(0x00) . $tvappstring . chr(strlen($messagepart3)) . chr(0x00) . $messagepart3;
    socket_write($sock,$part3,strlen($part3));
    echo $part3;
    echo "<br />";

    socket_close($sock);

    echo "<br /><br />";
?>