[myfirstcontroller]Controller

myfirstcontroller-Controllers-myfirstController.php

<?php
namespace App\Http\Controllers;
use Illuminate\Http\Request;
class myfirstController extends Controller
{
    public function index()
    {
        //user php function
        $user_agent = $_SERVER['HTTP_USER_AGENT'];
            $user_ip = $_SERVER['REMOTE_ADDR'];

        //make model instance
        $model_db = new mysqlModel();
        $model_db_users = $model_db->getUsers();
        $model_db_hosts = $model_db->getHost();
            return view('ua_page',['user_agent' => $user_agent, 'ip' => $user_ip,
          'modeldb_users' => $model_db_users, 'modeldb_hosts' => $model_db_hosts]);

    }
}