Silex

-

The PHP Microframework

Was ist Silex?

• PHP Microframework
  "standing on the shoulders of giants"
• Basiert auf Symfony Komponenten
• Einfache Installation über Composer
• MIT Lizenz
• http://silex.sensiolabs.org

Was Silex nicht hat...

• Ein CLI Tool
• Features, die externe Dateien benötigen
  (XML/YML Konfigs)
• Annotations

Warum Silex?

• Full-Stack Framework Overkill für simple Tasks
  • Routes => Controllers
  • Silex != Symfony
• Kompakt
• Erweiterbar
• Testbar

$ curl -sS https://getcomposer.org/installer | php

Installieren über Composer

{
  "name": "neusta/hello-silex",
  "require": {
    "php": ">=5.3.3",
    "silex/silex": "~1.2"
  }
}

$ php composer.phar install

 oder

$ composer install

App Struktur

• composer.json
• composer.lock
• vendor
  • silex
• src
  • <my-classes>
• web
  • index.php

Quick Win

• silex-skeleton

$ composer create-project fabpot/silex-skeleton

Features durch Provider

• Provider erweitern die Funktionen der App
• Alles läuft über den DI-Container Pimple
• Große Provider Community
  • wie bei Symfony Bundles

Beispiel: Sessions

/* Add session support */

$app->register(new Silex\Provider\SessionProvider());

/* Save something in the session */

$app['session']->set('user', ['username' => 'johndoe']);

/* Fetch something in the session */

$user = $ap['session']->get('user');

Beispiel: Twig Templates

/* Add twig support */

$app->register(new Silex\Provider\TwigServiceProvider(), [
    'twig.path' => __DIR__ . '/../templates',
]);

/* Add controller to the app */

$app->get('/', function() use ($app) {
    return $app['twig']->render(
        'index.html.twig', 
        ['foo' => 'bar']
    );
})->bind('homepage');

Beispiel: Doctrine DBAL

/* Add doctrine dbal support */

$app->register(new Silex\Provider\DoctrineServiceProvider(), 
    [
        'db.options' => array(
            'driver'   => 'pdo_sqlite',
            'path'     => __DIR__.'/app.db',
    ],
));

/* Execute query */

$data = $app['db']->fetchAssoc(
    'SELECT * FROM table WHERE id = :id',
    ['id' => 1]
);

Bespiel: Mini JSON API

$app->get('/todo/{id}', function ($id) use ($app) {
    $sql = 'SELECT * FROM todo WHERE id = :id';
    $todo = $app['db']->fetchAssoc(
        $sql, 
        ['id' => (int)$id]
    );

    if (!$todo) {
        $app->abort(
            404, 
            sprintf('Todo %s does not exists.', $id)
        );
    }

    return $app->json($todo);
});

Pimple

 A simple PHP Dependency Injection Container

Standalone Pimple

$ ./composer.phar require pimple/pimple ~3.0

  oder sogar als PHP C Extension

$ cd ext/pimple
$ phpize
$ ./configure
$ make
$ make install

Provider

use Pimple\Container;

class FooProvider implements Pimple\ServiceProviderInterface
{
    public function register(Container $pimple)
    {
        $pimple['foo'] = 'bar'
    }
}

// ... use it

$pimple->register(new FooProvider());

Eigener Container

use Pimple\Container as Pimple;

class MyContainer extends Pimple
{
    public function __construct() {

        parent::__construct([
            'foo' => 'bar'
        ]);

        $this->register(new FooProvider());        
    }
}

Provider in Silex

interface ServiceProviderInterface
{
    // executed after registering the Provider
    public function register(Application $app);

    // executed on $app->run();
    public function boot(Application $app);
}

Wo macht Silex Sinn?

• Simple Anwendungen
• RESTful APIs
• Silex kann durchaus Symfony ersetzen

Viel Spaß

silex.sensiolabs.org