<?php

/* Init Classes */

class GetOpts
{
    private $longOpts = [];

    function __construct()
    {

    }

    public function setLongOpt(string $opt, array $callback)
    {
        $this->longOpts[$opt] = $callback;
    }
}

class CheckDomain
{
    public function host(string $domain)
    {
        echo $domain;
    }
}

CheckDomain::host('lhprojects.net');
/* Get command line options */
$args = new GetOpts;