$forwarder = addslashes(str_replace("<", "&lt;", str_replace(">", "&gt;", $forwarder)));

$forwarder = addslashes(preg_replace('~.*,\\s*~', '', $_SERVER["HTTP_X_FORWARDED_FOR"]));


$boxContent .= "<input type=\"hidden\" name=\"forwarder\" value=\"".$url."\">";



function get_x_forwarded () {
  if(isset($_SERVER["HTTP_X_FORWARDED_FOR"])) {
    return $_SERVER["HTTP_X_FORWARDED_FOR"];
  } elseif (isset($HTTP_SERVER_VARS["HTTP_X_FORWARDED_FOR"])) {
    return $HTTP_SERVER_VARS["HTTP_X_FORWARDED_FOR"];
  } elseif (getenv("HTTP_X_FORWARDED_FOR")) {
    return getenv("HTTP_X_FORWARDED_FOR");
  } else {
    return "none";
  }
}

function get_client_ip () {
  if(isset($_SERVER["HTTP_CLIENT_IP"])) {
    return $_SERVER["HTTP_CLIENT_IP"];
  } elseif (isset($HTTP_SERVER_VARS["HTTP_CLIENT_IP"])) {
    return $HTTP_SERVER_VARS["HTTP_CLIENT_IP"];
  } elseif (getenv("HTTP_CLIENT_IP")) {
    return getenv("HTTP_CLIENT_IP");
  } else {
    return "none";
  }
}

function get_remote_addr () {
  if(isset($_SERVER["REMOTE_ADDR"])) {
    return $_SERVER["REMOTE_ADDR"];
  } elseif (isset($HTTP_SERVER_VARS["REMOTE_ADDR"])) {
    return $HTTP_SERVER_VARS["REMOTE_ADDR"];
  } elseif (getenv("REMOTE_ADDR")) {
    return getenv("REMOTE_ADDR");
  } else {
    return "none";
  }
}