public static function Helper::ip_validate in Anti Spam by CleanTalk 8.3

2 calls to Helper::ip_validate()

Helper::ip_get in src/lib/Cleantalk/Common/Helper.php

SFW::ip_get in src/lib/Cleantalk/Antispam/SFW.php

File

src/lib/Cleantalk/Common/Helper.php, line 194

Class

Helper

Cleantalk's hepler class

Namespace

Drupal\cleantalk\lib\Cleantalk\Common

Code

public static function ip_validate($ip) {
  if (!$ip) {
    return false;
  }

  // NULL || FALSE || '' || so on...
  if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) {
    return 'v4';
  }

  // IPv4
  if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6)) {
    return 'v6';
  }

  // IPv6
  return false;

  // Unknown
}