IP address + Eform loging

<?php
function efOnBeforeMailSent(&$fields) {
 global $modx;
  $fields['site_url'] = $modx->config['site_url'];
  $fields['site_name'] = $modx->config['site_name'];
  if (isset($_SERVER['REMOTE_HOST'])) {
    $fields['ip_calc'] = $_SERVER['REMOTE_HOST']." (".$_SERVER['REMOTE_ADDR'].")";
  } else {
    $fields['ip_calc'] = gethostbyaddr($_SERVER['REMOTE_ADDR'])." (".$_SERVER['REMOTE_ADDR'].")";
  }
  $fields['cli_calc'] = $_SERVER['HTTP_USER_AGENT'];
  $fields['question_calc'] = wordwrap($fields['question'], 75);
  return true;
}

...
Message from: [+ip_calc+] ([+cli_calc+])
...