public static function Helper::ip__validate in Anti Spam by CleanTalk 8.4

Same name and namespace in other branches

1. 9.1.x src/lib/Cleantalk/Common/Helper.php \Cleantalk\Common\Helper::ip__validate()

* Validating IPv4, IPv6 * *

Parameters

string $ip: * * @return string|bool

8 calls to Helper::ip__validate()

FirewallModule::ipAppendAdditional in src/lib/Cleantalk/Common/Firewall/FirewallModule.php

Configure and set additional properties: real_ip, test_ip, test

FirewallUpdater::writeDbExclusions in src/lib/Cleantalk/Common/Firewall/FirewallUpdater.php

Writing to the DB self IPs

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

Validate CIDR

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

Getting arrays of IP (REMOTE_ADDR, X-Forwarded-For, X-Real-Ip, Cf_Connecting_Ip)

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

* Get URL form IP. Check if it's belong to cleantalk. * *

... See full list

File

src/lib/Cleantalk/Common/Helper.php, line 374

Class

Helper

CleanTalk Helper class. Compatible with any CMS.

Namespace

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) && $ip != '0.0.0.0') {
    return 'v4';
  }

  // IPv4
  if (filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) && self::ip__v6_reduce($ip) != '0::0') {
    return 'v6';
  }

  // IPv6
  return false;

  // Unknown
}