diff options
Diffstat (limited to 'system/core/Input.php')
| -rwxr-xr-x | system/core/Input.php | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/system/core/Input.php b/system/core/Input.php index b986c4973..162e40c85 100755 --- a/system/core/Input.php +++ b/system/core/Input.php @@ -376,14 +376,26 @@ class CI_Input { /** * Validate IP Address * - * Updated version suggested by Geert De Deckere - * * @param string + * @param string 'ipv4' or 'ipv6' * @return bool */ - public function valid_ip($ip) + public function valid_ip($ip, $which = '') { - return (bool) filter_var($ip, FILTER_VALIDATE_IP); + switch (strtolower($which)) + { + case 'ipv4': + $which = FILTER_FLAG_IPV4; + break; + case 'ipv6': + $which = FILTER_FLAG_IPV6; + break; + default: + $which = NULL; + break; + } + + return (bool) filter_var($ip, FILTER_VALIDATE_IP, $which); } // -------------------------------------------------------------------- |