3v4l.org

run code in 300+ PHP versions simultaneously
<?php $start = inet_pton('2605:eb00:1000:0123:0100:0100:0000:0000'); $end = inet_pton('2605:eb00:1000:0123:0100:0100:0000:0002'); $myIp = inet_pton('2605:eb00:1000:0123:0100:0100:0000:0001'); echo ($start <= $myIp && $end <= $myIp)?('true'):('false');

preferences:
37.84 ms | 402 KiB | 5 Q