public function logReplyParams($params) {
    $paramsString = '';

    foreach ($params as $k => $v) {
      $paramsString .= "$k=" . print_r($v, true) . "\r\n";
    }

    $this->writeLog(sprintf($this->debugStrings['replyParams'], date('Y-m-d H:i:s'), $paramsString));
  }