- var_dump: documentation ( source)
- bin2hex: documentation ( source)
- inet_pton: documentation ( source)
<?php
var_dump(bin2hex(inet_pton('2001:0db8:85a3:08d3:1319:8a2e:0370:7344')));
var_dump(bin2hex(inet_pton('::1')));
var_dump(bin2hex(inet_pton('127.0.0.1')), bin2hex(inet_pton('::ffff:127.0.0.1')), bin2hex(inet_pton('::ffff:7f00:1')));
var_dump("SELECT 1 FROM IPv6Ranges WHERE X'" . bin2hex(inet_pton('127.0.0.1')) . "' BETWEEN `start` AND `end`");