public static function Helper::cidr__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::cidr__validate()

Validate CIDR

Parameters

string $cidr expects string like 1.1.1.1/32:

Return value

bool

1 call to Helper::cidr__validate()

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

* Check if the IP belong to mask. Recursive. * Octet by octet for IPv4 * Hextet by hextet for IPv6 * *

File

src/lib/Cleantalk/Common/Helper.php, line 389

Class

Helper

CleanTalk Helper class. Compatible with any CMS.

Namespace

Cleantalk\Common

Code

public static function cidr__validate($cidr) {
  $cidr = explode('/', $cidr);
  return isset($cidr[0], $cidr[1]) && self::ip__validate($cidr[0]) && preg_match('@\\d{1,2}@', $cidr[1]);
}