http://www.php.net/manual/en/filter.filters.flags.php
In order to filter on loopback addresses try this :
(If someone wants to write in handling for the IPv6 loopback interface at "::1" go for it.)
PHP filter_var loopback filter flag
http://www.php.net/manual/en/filter.filters.flags.php
In order to filter on loopback addresses try this :
(If someone wants to write in handling for the IPv6 loopback interface at "::1" go for it.)