private static function getIpAddress()

in core/ServerEventFactory.php [56:80]

• 23 lines of code
• 5 McCabe index (conditional complexity)

  private static function getIpAddress() {
    $HEADERS_TO_SCAN = array(
      'HTTP_CLIENT_IP',
      'HTTP_X_FORWARDED_FOR',
      'HTTP_X_FORWARDED',
      'HTTP_X_CLUSTER_CLIENT_IP',
      'HTTP_FORWARDED_FOR',
      'HTTP_FORWARDED',
      'REMOTE_ADDR'
    );

    foreach ($HEADERS_TO_SCAN as $header) {
      if (array_key_exists($header, $_SERVER)) {
        $ip_list = explode(',', $_SERVER[$header]);
        foreach($ip_list as $ip) {
          $trimmed_ip = trim($ip);
          if (self::isValidIpAddress($trimmed_ip)) {
            return $trimmed_ip;
          }
        }
      }
    }

    return null;
  }