datatable.directory/sideload/socialnorm/socialnorm/src/StateGenerator.php

<?php namespace SocialNorm;

class StateGenerator
{
    public function generate(int $length = 32)
    {
        $pool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
        return substr(str_shuffle(str_repeat($pool, $length)), 0, $length);
    }
}