MySymfony

index.php

<?php
namespace MySymfony;

class HttpKernel
{
    public function handle(Request $req)
    {
        $name = $req->query('name');
        $response = new Response('hello ' . $name);
        return $response;
    }
}

class Request
{
    public function __construct($get)
    {
        $this->get = $get;
    }

    public function query($key)
    {
        return $this->get[$key];
    }
}
class Response
{
    public function __construct($msg)
    {
        $this->body = $msg;
    }

    public function send()
    {
        echo $this->body;
    }
}

$kernel = new HttpKernel;
$request = new Request($_GET);
$response = $kernel->handle($request);
$response->send();