Doesnt filter_var() require PHP5+ ? I have quite some systems still running 4.4.8. On 7/12/08, Kevin Waterson <kevin@xxxxxxxxx> wrote: > > This one time, at band camp, Yeti <yeti@xxxxxxxxxx> wrote: > > > Now i was wondering of what there might be the best way to validate an > IPv6 > > address. > > > from this url.. > http://phpro.org/tutorials/Filtering-Data-with-PHP.html#9 > > <?php > > /*** an IP address ***/ > $ip = "2001:0db8:85a3:08d3:1319:8a2e:0370:7334"; > > /*** try to validate as IPV6 address ***/ > if(filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) === FALSE) > { > echo "$ip is not a valid IP"; > } > else > { > echo "$ip is valid"; > } > ?> > > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > >
