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Cloudflare - Set real IP
<?php
// Cloudflare - Set Real IP
$cloudflare_ip_ranges = array(
'204.93.240.0/24', '204.93.177.0/24', '199.27.128.0/21',
'173.245.48.0/20', '103.21.244.0/22', '103.22.200.0/22',
'103.31.4.0/22', '141.101.64.0/18', '108.162.192.0/18',
'190.93.240.0/20', '188.114.96.0/20', '197.234.240.0/22',
'198.41.128.0/17', '162.158.0.0/15',
);
if (isset($_SERVER['HTTP_CF_CONNECTING_IP'])) {
foreach ($cloudflare_ip_ranges as $cidr) {
list($subnet, $mask) = explode('/', $cidr);
if ((ip2long($_SERVER['REMOTE_ADDR']) & ($mask = ~ ((1 << (32 - $mask)) - 1))) == (ip2long($subnet) & $mask)) {
$_SERVER['REMOTE_ADDR'] = $_SERVER['HTTP_CF_CONNECTING_IP'];
break;
}
}
}
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