function _cidr_match in CloudFlare 7
Same name and namespace in other branches
- 6 cloudflare.module \_cidr_match()
1 call to _cidr_match()
- _cloudflare_threat_api in ./
cloudflare.module - Perform an action using Cloudflare's Threat API.
File
- ./
cloudflare.module, line 525
Code
function _cidr_match($ip, $range) {
list($subnet, $bits) = explode('/', $range);
$ip = ip2long($ip);
$subnet = ip2long($subnet);
$mask = -1 << 32 - $bits;
$subnet &= $mask;
# nb: in case the supplied subnet wasn't correctly aligned
return ($ip & $mask) == $subnet;
}