thsutton/app.php

## app.php
<?php
require_once __DIR__.'/vendor/autoload.php';

use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\Routing\Route;
use Symfony\Component\Routing\RouteCollection;
use Symfony\Component\Routing\Matcher\UrlMatcher;
use Symfony\Component\Routing\RequestContext;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\HttpKernel;
use Symfony\Component\HttpKernel\Controller\ControllerResolver;
use Symfony\Component\EventDispatcher\EventDispatcher;
use Symfony\Component\HttpKernel\Debug\ExceptionHandler;
use Symfony\Component\HttpKernel\EventListener\ExceptionListener;
use Symfony\Component\HttpKernel\EventListener\RouterListener;

new ControllerResolver();

$routes = new RouteCollection();

$routes->add(
    'say',
    new Route('/say/{message}/{name}',
        array(
            'message' => 'hello',
            'name' => 'world',
            '_controller' =>
                function(Request $request){

                    Twig_Autoloader::register();
                    $loader = new Twig_Loader_Filesystem(__DIR__);
                    $twig = new Twig_Environment($loader);

                    return new Response(
                        $twig->render('index.html.twig', array(
                                'message' => $request->get('message'),
                                'name' => $request->get('name')
                            ))
                        );
                }
        )
    )
);

$request = Request::createFromGlobals();

$dispatcher = new EventDispatcher();

$urlMatcher = new UrlMatcher($routes, new RequestContext());

$dispatcher->addSubscriber(new RouterListener($urlMatcher));

$exceptionHandler = function($exception) {
    $handler = new ExceptionHandler();
    return $handler->createResponse($exception);
};

$dispatcher->addSubscriber(new ExceptionListener($exceptionHandler));

$kernel = new HttpKernel($dispatcher, new ControllerResolver());
$kernel->handle($request)->send();

## composer.json
{
    "require": {
        "symfony/http-foundation": "2.1.*",
        "symfony/http-kernel": "2.1.*",
        "symfony/routing": "2.1.*",
        "twig/twig": "1.*"
    }
}

## index.html.twig
{% extends 'layout.html.twig' %}

{% block title 'A message for ' ~ name %}

{% block content %}

    <h1>{{ message }} {{ name }}</h1>

{% endblock %}

## layout.html.twig
<html>
<head>
    <title>{% block title '' %}</title>
</head>
<body>
    {% block content '' %}
</body>
</html>
	<?php
	require_once __DIR__.'/vendor/autoload.php';

	use Symfony\Component\HttpFoundation\Request;
	use Symfony\Component\Routing\Route;
	use Symfony\Component\Routing\RouteCollection;
	use Symfony\Component\Routing\Matcher\UrlMatcher;
	use Symfony\Component\Routing\RequestContext;
	use Symfony\Component\HttpFoundation\Response;
	use Symfony\Component\HttpKernel\HttpKernel;
	use Symfony\Component\HttpKernel\Controller\ControllerResolver;
	use Symfony\Component\EventDispatcher\EventDispatcher;
	use Symfony\Component\HttpKernel\Debug\ExceptionHandler;
	use Symfony\Component\HttpKernel\EventListener\ExceptionListener;
	use Symfony\Component\HttpKernel\EventListener\RouterListener;

	new ControllerResolver();

	$routes = new RouteCollection();

	$routes->add(
	'say',
	new Route('/say/{message}/{name}',
	array(
	'message' => 'hello',
	'name' => 'world',
	'_controller' =>
	function(Request $request){

	Twig_Autoloader::register();
	$loader = new Twig_Loader_Filesystem(__DIR__);
	$twig = new Twig_Environment($loader);

	return new Response(
	$twig->render('index.html.twig', array(
	'message' => $request->get('message'),
	'name' => $request->get('name')
	))
	);
	}
	)
	)
	);

	$request = Request::createFromGlobals();

	$dispatcher = new EventDispatcher();

	$urlMatcher = new UrlMatcher($routes, new RequestContext());

	$dispatcher->addSubscriber(new RouterListener($urlMatcher));

	$exceptionHandler = function($exception) {
	$handler = new ExceptionHandler();
	return $handler->createResponse($exception);
	};

	$dispatcher->addSubscriber(new ExceptionListener($exceptionHandler));

	$kernel = new HttpKernel($dispatcher, new ControllerResolver());
	$kernel->handle($request)->send();
	{
	"require": {
	"symfony/http-foundation": "2.1.*",
	"symfony/http-kernel": "2.1.*",
	"symfony/routing": "2.1.*",
	"twig/twig": "1.*"
	}
	}
	{% extends 'layout.html.twig' %}

	{% block title 'A message for ' ~ name %}

	{% block content %}

	<h1>{{ message }} {{ name }}</h1>

	{% endblock %}
	<html>
	<head>
	<title>{% block title '' %}</title>
	</head>
	<body>
	{% block content '' %}
	</body>
	</html>