/**
* Tests if the IP is a valid IP, allowing wildcards, except in the first octet.
* Wildcards can only be used from right to left, ie. 1.1.*.* is allowed, but 1.1.*.1 is not.
*
* @param string $ip IP address
* @return bool
*/
private function isValidIp($ip)
{
return IP::getIpsForRange($ip) !== false;
}
