Silex (confoo)

Wednesday, February 29, 12

• phpBB • Symfony2 • Silex • Composer igorw @igorwesome

Silex Symfony2 μ-framework Wednesday, February 29, 12

Silex is not Symfony Wednesday, February 29, 12

Microframework Wednesday, February 29, 12

What? • Bare bones • Routes mapped to controllers •
The ‘C’ of ‘MVC’ • REST • Single ﬁle app Wednesday, February 29, 12

Why? Wednesday, February 29, 12

Sometimes a full-stack framework is too much for a simple
task. Wednesday, February 29, 12

simple Wednesday, February 29, 12

What makes silex special? Wednesday, February 29, 12

• concise • extensible • testable Wednesday, February 29, 12

Http Kernel Interface Wednesday, February 29, 12

Response handle(Request $request) Wednesday, February 29, 12

client Wednesday, February 29, 12

request client Wednesday, February 29, 12

reponse client request Wednesday, February 29, 12

clean Wednesday, February 29, 12

PSR-0 Wednesday, February 29, 12

Silex is not Symfony Wednesday, February 29, 12

Silex is a user interface for Symfony Wednesday, February 29,
12

require_once __DIR__.'/silex.phar'; $app = new Silex\Application(); $app->get('/', function() { return
"Hello world!"; }); Wednesday, February 29, 12

Phar require_once __DIR__.'/silex.phar'; $app = new Silex\Application(); $app->get('/', function() {
return "Hello world!"; }); Wednesday, February 29, 12

Application require_once __DIR__.'/silex.phar'; $app = new Silex\Application(); $app->get('/', function() {
return "Hello world!"; }); Wednesday, February 29, 12

require_once __DIR__.'/silex.phar'; $app = new Silex\Application(); $app->get('/', function() { return
"Hello world!"; }); Controller Wednesday, February 29, 12

$app->run(); Wednesday, February 29, 12

<IfModule mod_rewrite.c> RewriteEngine On RewriteBase /some/path RewriteCond %{REQUEST_FILENAME} !-f RewriteCond
%{REQUEST_FILENAME} !-d RewriteRule ^(.*)$ index.php [QSA,L] </IfModule> Wednesday, February 29, 12

server { location / { if (-f $request_filename) { break;
} rewrite ^(.*) /index.php last; } location ~ index\.php$ { fastcgi_pass /var/run/php5-fpm.sock; fastcgi_index index.php; include fastcgi_params; } } Wednesday, February 29, 12

Wait a minute! Wednesday, February 29, 12

Lambdas λ Wednesday, February 29, 12

$(function () { $("a").on("click", function (event) { alert("Thanks for visiting!");
}); }); Wednesday, February 29, 12

PHP 5.3 Wednesday, February 29, 12

$f = function ($a, $b) { return $a + $b;
}; $f(1, 2); Wednesday, February 29, 12

lazy $f = function () { exit; }; Wednesday, February
29, 12

nested $f = function () { return function () {
return true; }; }; $g = $f(); $value = $g(); Wednesday, February 29, 12

scope $outer = 'world'; $f = function () use ($outer)
{ $inner = 'hello'; return "$inner $outer"; }; => "hello world" Wednesday, February 29, 12

scope $helloWorld = function () { $outer = 'world'; $f
= function () use ($outer) { $inner = 'hello'; return "$inner $outer"; }; return $f(); } Wednesday, February 29, 12

passing $output = function ($info) { echo $info."\n"; }; $doStuff
= function ($output) { $output('doing some magic'); doMagic(); $output('did some magic'); }; Wednesday, February 29, 12

factory $userFactory = function ($name) { return new User($name); };
// ... $user = $userFactory($_POST['name']); Wednesday, February 29, 12

event listener $emitter = new EventEmitter(); $emitter->on('user.create', function (User $user)
{ $msg = sprintf("User %s created.", $user->name); log($msg); }); Wednesday, February 29, 12

Usage Wednesday, February 29, 12

$app->get('/', function () { return "Hello world!"; }); Wednesday, February
29, 12

Dynamic Routing Wednesday, February 29, 12

$app->get('/hello/{name}', function ($name) use ($app) { return "Hello ".$app->escape($name); });

Controllers Wednesday, February 29, 12

assert $app->get('/blog/{id}', function ($id) { ... }) ->assert('id', '\d+'); Wednesday,
February 29, 12

value $app->get('/{page}', function ($page) { ... }) ->value('page', 'index'); Wednesday,
February 29, 12

bind $app->get('/', function () { ... }) ->bind('homepage'); $app['url_generator']->generate('homepage') Wednesday,
February 29, 12

bind $app->get('/blog/{id}', function ($id) { ... }) ->bind('blog.post'); $app['url_generator'] ->generate('blog.post',
array('id' => $id)) Wednesday, February 29, 12

convert $app->get('/blog/{post}', function (Post $post) { ... }) ->convert('post', function
($post) use ($app) { $id = (int) $post; return $app['posts']->find($id); }); Wednesday, February 29, 12

Before & After Wednesday, February 29, 12

$app->before(function () { ... }); $app->get('/', function () { ...
}); $app->after(function () { ... }); Wednesday, February 29, 12

$app->before(function (Request $request) { $loggedIn = $request ->getSession() ->get('logged_in'); if
(!$loggedIn) { return new RedirectResponse('/login'); } }); Wednesday, February 29, 12

$app->after(function (Request $request, Response $response) { // tweak the Response
}); Wednesday, February 29, 12

Methods Wednesday, February 29, 12

• get • post • put • delete • head
• options Wednesday, February 29, 12

$app->get('/posts/{id}', ...); $app->post('/posts', ...); $app->put('/posts/{id}', ...); $app->delete('/post/{id}', ...); Wednesday, February
29, 12

use Symfony\Component\HttpFoundation\Request; use Symfony\Component\HttpFoundation\Response; $app->post('/message', function (Request $request) { mail(
'[email protected]', 'New message', $request->get('body') ); return new Response('Email has been sent!', 201); }); Wednesday, February 29, 12

Caching Wednesday, February 29, 12

Error Handling Wednesday, February 29, 12

use Symfony\Component\HttpFoundation\Response; $app->error(function (\Exception $e, $code) { return new Response('Whoops!',
$code); }); Wednesday, February 29, 12

$app->abort(404, "Could not find the thing."); Wednesday, February 29, 12

$app['debug'] = true; Wednesday, February 29, 12

Redirecting Wednesday, February 29, 12

$app->get('/', function () use ($app) { return $app->redirect('/hello'); }); Wednesday,
February 29, 12

Pimple Wednesday, February 29, 12

50 NCLOC Wednesday, February 29, 12

$container = new Pimple(); Wednesday, February 29, 12

$app = new Silex\Application(); Wednesday, February 29, 12

Parameters $app['some_parameter'] = 'value'; $app['asset.host'] = 'http://cdn.mysite.com/'; $app['database.dsn'] = 'mysql:dbname=myapp';

Services $app['some_service'] = function () { return new Service(); };

$service = $app['some_service']; Wednesday, February 29, 12

Dependencies $app['some_service'] = function ($app) { return new Service( $app['some_other_service'],
$app['some_service.config'] ); }; Wednesday, February 29, 12

Shared $app['some_service'] = $app->share(function () { return new Service(); });

Protected $app['lambda_parameter'] = $app->protect( function ($a, $b) { return $a
+ $b; }); // will not execute the lambda $add = $app['lambda_parameter']; // calling it now echo $add(2, 3); Wednesday, February 29, 12

Exposed Services • debug • request • autoloader • routes
• controllers • dispatcher • resolver • kernel Wednesday, February 29, 12

Service Providers Wednesday, February 29, 12

interface ServiceProviderInterface { function register(Application $app); } Wednesday, February 29,
12

Core Service Providers • doctrine • form • http cache
• monolog • session • swiftmailer • symfony bridges • translation • twig • url generator • validator Wednesday, February 29, 12

3rd Party • doctrine orm • pomm (postgres) • predis
• mongo • KyotoTycoon • memcache • rest • markdown • gravatar • buzz • conﬁg • solr • proﬁler • ... Wednesday, February 29, 12

Redis Wednesday, February 29, 12

$app->register(new PredisServiceProvider()); Wednesday, February 29, 12

$app->get('/{id}', function ($id) use ($app) { $key = 'pastes:'.$id; $paste
= $app['predis']->hgetall($key); ... }); Wednesday, February 29, 12

• smallish sites • well-deﬁned scope • prototyping • restful
apis When to use Wednesday, February 29, 12

and many more... Wednesday, February 29, 12

New feature: Composer Wednesday, February 29, 12

{ "require": { "silex/silex": "1.0.*" } } composer.json Wednesday, February
29, 12

$ php composer.phar install Wednesday, February 29, 12

require 'vendor/.composer/autoload.php'; Wednesday, February 29, 12

New feature: Streaming Wednesday, February 29, 12

$app->get('/some-video', function () use ($app) { $file = $app['app.video_filename']; $stream
= function () use ($file) { readfile($file); }; return $app->stream( $stream, 200, array('Content-Type' => 'video/mpeg') ); }); Wednesday, February 29, 12

on github fabpot/Silex fabpot/Pimple Wednesday, February 29, 12

silex.sensiolabs.org Wednesday, February 29, 12

Ω Wednesday, February 29, 12

Questions? joind.in/5971 @igorwesome speakerdeck.com /u/igorw Wednesday, February 29, 12

Silex (confoo)

Silex (confoo)

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