How to install without Composer?

[r0maneremin]

How to install without Composer?

[simPod]

This is not related to the lib.

[thinksilicon]

You can define your own autoloader:

<?php
spl_autoload_register(function ($class_name) {
    $class_name = str_replace( "\\", "/", $class_name );
    include $class_name . '.php';
});
use IPTools\IP;

$ip = new IP('192.168.1.1');
echo $ip->version;// IPv4