A Practical Introduction to Symfony2

A Practical Introduction to Symfony2 Kris Wallsmith PHP Matsuri • October 2, 2010 Saturday, October 2, 2010

@kriswallsmith • Release Manager for symfony 1.3 & 1.4 • Doctrine contributor • Senior Software Engineer at • 10 years experience in web development • Open source evangelist and international speaker Saturday, October 2, 2010

the evolution of symfony • Mojavi 3 • symfony (2007) • Symfony2 (2011) Saturday, October 2, 2010

a quick note for the case-sensitive among us Saturday, October 2, 2010

talk about “symfony” Saturday, October 2, 2010

talk about “symfony 1” Saturday, October 2, 2010

talk about “Symfony2” Saturday, October 2, 2010

there is no “Symfony 1” Saturday, October 2, 2010

there is no “symfony 2” Saturday, October 2, 2010

there is no “Symfony 2” Saturday, October 2, 2010

there is no “Symfony 2” { less search-friendly Saturday, October 2, 2010

Symfony2 Saturday, October 2, 2010

# Symfony2 Saturday, October 2, 2010

the evolution of symfony • Mojavi 3 • symfony (2007) • Symfony2 (2011) Saturday, October 2, 2010

what’s old? Saturday, October 2, 2010

what’s old? • same philosophy as symfony 1 Saturday, October 2, 2010

what’s old? • same philosophy as symfony 1 • don’t reinvent the wheel Saturday, October 2, 2010

what’s old? • same philosophy as symfony 1 • don’t reinvent the wheel • loosely-coupled components Saturday, October 2, 2010

what’s old? • same philosophy as symfony 1 • don’t reinvent the wheel • loosely-coupled components • predictable conventions Saturday, October 2, 2010

what’s old? • same philosophy as symfony 1 • don’t reinvent the wheel • loosely-coupled components • predictable conventions • highly conﬁgurable Saturday, October 2, 2010

what’s old? • same philosophy as symfony 1 • don’t reinvent the wheel • loosely-coupled components • predictable conventions • highly conﬁgurable • testable Saturday, October 2, 2010

what’s old? • same philosophy as symfony 1 • don’t reinvent the wheel • loosely-coupled components • predictable conventions • highly conﬁgurable • testable • awesome developer tools Saturday, October 2, 2010

what’s new? Saturday, October 2, 2010

what’s new? • PHP 5.3 • a brand new foundation Saturday, October 2, 2010

what’s new? • PHP 5.3 • a brand new foundation • more smart, more lazy Saturday, October 2, 2010

what’s new? • PHP 5.3 • a brand new foundation • more smart, more lazy • REALLY REALLY FAST Saturday, October 2, 2010

PHP 5.3 Saturday, October 2, 2010

PHP 5.3 • namespaces • closures Saturday, October 2, 2010

Saturday, October 2, 2010

HTTPMessageRequest Saturday, October 2, 2010

HTTPClientRequest Saturday, October 2, 2010

closures • anonymous functions • lambda functions Saturday, October 2, 2010

a new foundation Saturday, October 2, 2010

anatomy of a Symfony2 request Saturday, October 2, 2010

anatomy of a Symfony2 request • Kernel Saturday, October 2, 2010

anatomy of a Symfony2 request • Kernel • Request Saturday, October 2, 2010

anatomy of a Symfony2 request • Kernel • Request • Controller Saturday, October 2, 2010

anatomy of a Symfony2 request • Kernel • Request • Controller • Response Saturday, October 2, 2010

anatomy of a Symfony2 request Saturday, October 2, 2010

anatomy of a Symfony2 request • index.php creates a Kernel Saturday, October 2, 2010

anatomy of a Symfony2 request • index.php creates a Kernel • the kernel creates a Request Saturday, October 2, 2010

anatomy of a Symfony2 request • index.php creates a Kernel • the kernel creates a Request • the kernel passes the Request to the ControllerResolver Saturday, October 2, 2010

anatomy of a Symfony2 request • index.php creates a Kernel • the kernel creates a Request • the kernel passes the Request to the ControllerResolver • the ControllerResolver returns a callable Saturday, October 2, 2010

anatomy of a Symfony2 request • index.php creates a Kernel • the kernel creates a Request • the kernel passes the Request to the ControllerResolver • the ControllerResolver returns a callable • the kernel calls the callable Saturday, October 2, 2010

anatomy of a Symfony2 request • index.php creates a Kernel • the kernel creates a Request • the kernel passes the Request to the ControllerResolver • the ControllerResolver returns a callable • the kernel calls the callable • the callable returns a Response Saturday, October 2, 2010

Silex http://github.com/fabpot/Silex Saturday, October 2, 2010

just enough, nothing more Saturday, October 2, 2010

switch ($_GET['pg']) case 'edit': // ... Saturday, October 2, 2010

Any volunteers to rewrite WordPress in Silex? Saturday, October 2, 2010

quick tour Saturday, October 2, 2010

frontend/ src/ web/ Saturday, October 2, 2010

frontend/ FrontendKernel.php cache/ config/ console logs/ phpunit.xml Saturday, October 2, 2010

src/ autoload.php Application/ Bundle/ vendor/ symfony/ doctrine/ Saturday, October 2, 2010

web/ css/ images/ index.php index_dev.php js/ Saturday, October 2, 2010

../ MainBundle/ Controller/ MainBundle.php Resources/ config/ views/ Tests/ Saturday, October 2, 2010

How do I use it? Saturday, October 2, 2010

# frontend/config/routing.yml homepage: pattern: / defaults: _controller: MainBundle:Main:index requirements: _method: get Saturday, October 2, 2010

// src/Application/MainBundle/Controller/MainController.php namespace ApplicationMainBundleController; class MainController extends Controller { public function indexAction() { return $this->render('MainBundle:Main:index.php'); } } Saturday, October 2, 2010

homepage: pattern: / defaults: _controller: MainBundle:Main:index requirements: _method: get namespace ApplicationMainBundleController; class MainController extends Controller { public function indexAction() { return $this->render('MainBundle:Main:index.php'); } } Saturday, October 2, 2010

homepage: pattern: /:year/:slug defaults: _controller: MainBundle:Blog:showArticle requirements: year: d{4} namespace ApplicationMainBundleController; class BlogController extends Controller { public function showArticleAction($slug, $year) { // ... return $this->render('MainBundle:Blog:showArticle.php', array('article' => $article)); } } Saturday, October 2, 2010

MainBundle/Resources/ config/ views/ Blog/ showArticle.php Main/ error404.php index.php layout.php Saturday, October 2, 2010

return $this->render('MainBundle:Blog:showArticle.php', array('article' => $article)); MainBundle/Resources/ config/ views/ Blog/ showArticle.php Main/ error404.php index.php layout.php Saturday, October 2, 2010

return $this->render('MainBundle:Blog:showArticle.twig', array('article' => $article)); MainBundle/Resources/ config/ views/ Blog/ showArticle.twig Main/ error404.php index.php layout.php Saturday, October 2, 2010

Twig The ﬂexible, fast, and secure template language for PHP http://twig-project.org Saturday, October 2, 2010

symfony 1 Saturday, October 2, 2010

symfony 1 • templates Saturday, October 2, 2010

symfony 1 • templates • layouts Saturday, October 2, 2010

symfony 1 • templates • layouts • slots Saturday, October 2, 2010

symfony 1 • templates • layouts • slots • components Saturday, October 2, 2010

symfony 1 • templates • layouts • slots • components • partials Saturday, October 2, 2010

symfony 1 • templates • layouts • slots • components • partials • component slots Saturday, October 2, 2010

fewer concepts, more power Saturday, October 2, 2010

Symfony2 Saturday, October 2, 2010

Symfony2 • templates Saturday, October 2, 2010

Symfony2 • templates • slots Saturday, October 2, 2010

Symfony2 • • templates slots } fewer concepts, more power Saturday, October 2, 2010

<?php $view->extend('MainBundle::layout.php') ?> <?php foreach ($people as $person): ?> <?php $view->render( 'MainBundle:Person:thumbnail', array('person' => $person) ) ?> <?php endforeach; ?> Saturday, October 2, 2010

<?php $view->extend('MainBundle::layout.php') ?> <?php foreach ($people as $person): ?> decorate_with() <?php $view->render( 'MainBundle:Person:thumbnail', array('person' => $person) ) ?> <?php endforeach; ?> Saturday, October 2, 2010

<?php $view->extend('MainBundle::layout.php') ?> <?php foreach ($people as $person): ?> <?php $view->render( 'MainBundle:Person:thumbnail', array('person' => $person) ) ?> include_partial() <?php endforeach; ?> Saturday, October 2, 2010

helpers Saturday, October 2, 2010

<?php $view['slots']->set('title', 'Hi!') ?> <?php $view['slots']->start('sidebar') ?> My awesome sidebar! <?php $view['slots']->stop() ?> Saturday, October 2, 2010

helpers are objects Saturday, October 2, 2010

$view['javascripts']->add('script.js'); echo $view['javascripts']; echo $view['assets']->getUrl('logo.gif'); use_javascript() echo $view['router']->generate( 'person_show', array('username' => $username) ); $view['actions']->output('MainBundle:Search:form'); Saturday, October 2, 2010

$view['javascripts']->add('script.js'); echo $view['javascripts']; echo $view['assets']->getUrl('logo.gif'); include_javascripts() echo $view['router']->generate( 'person_show', array('username' => $username) ); $view['actions']->output('MainBundle:Search:form'); Saturday, October 2, 2010

$view['javascripts']->add('script.js'); echo $view['javascripts']; echo $view['assets']->getUrl('logo.gif'); echo $view['router']->generate( 'person_show', public_path() array('username' => $username) ); $view['actions']->output('MainBundle:Search:form'); Saturday, October 2, 2010

$view['javascripts']->add('script.js'); echo $view['javascripts']; echo $view['assets']->getUrl('logo.gif'); echo $view['router']->generate( 'person_show', array('username' => $username) ); url_for() $view['actions']->output('MainBundle:Search:form'); Saturday, October 2, 2010

$view['javascripts']->add('script.js'); echo $view['javascripts']; echo $view['assets']->getUrl('logo.gif'); echo $view['router']->generate( include_component() 'person_show', array('username' => $username) ); $view['actions']->output('MainBundle:Search:form'); Saturday, October 2, 2010

dependency injection Saturday, October 2, 2010

lazy objects Saturday, October 2, 2010

“ if you want me to foo you better give me the foo-er Saturday, October 2, 2010 ”

class User { protected $session; public function __construct(Session $session) { $this->session = $session; } } Saturday, October 2, 2010

class User { protected $session; public function __construct() { $this->session = Session::factory(); } } Saturday, October 2, 2010

$session = $this->getMock('Session') ->expects($this->any()) ->method('get') ->with('foo') ->will($this->returnValue('bar')) ; // inject the mock object! $user = new User($session); $this->assertEquals('bar', $user->getSessionVar('foo')); Saturday, October 2, 2010

dependency injection container • a conﬁguration layer • creates a "container" that manages the creation of objects • “teach” the container • using xml, yaml, php, ini (or some combination) Saturday, October 2, 2010

services: session: class: Session user: class: User arguments: - @session Saturday, October 2, 2010

public function getUserService() { if (isset($this->shared['user'])) return $this->shared['user']; $user = new User( $this->getSessionService() ); $this->shared['user'] = $user; return $user; } Saturday, October 2, 2010

// get one service by name $container->get('user'); Saturday, October 2, 2010

// find many services by "tag" $c->findTaggedServiceIds('my_tag'); Saturday, October 2, 2010

services: foo_helper: class: Foo tags: - name: my_tag Saturday, October 2, 2010

container parameters Saturday, October 2, 2010

parameters: foo.class: Foo services: foo: class: %foo.class% Saturday, October 2, 2010

dependency injection extensions semantic conﬁguration Saturday, October 2, 2010

doctrine.dbal: dbname: xxx user: xxx password: xxx doctrine.orm: ~ Saturday, October 2, 2010

awesome developer tools Saturday, October 2, 2010

Web Debug Toolbar Saturday, October 2, 2010

Web Proﬁler Saturday, October 2, 2010

Questions? Saturday, October 2, 2010

OpenSky is Hiring! http://engineering.shopopensky.com Please contact me if you're interested. Saturday, October 2, 2010

symfony-reloaded.org Saturday, October 2, 2010

http://www.symfony.gr.jp	161
http://blog.cypher-works.com	95
http://www.tekkie.ro	78
http://floeh.com	46
http://tikitikipoo.phpfogapp.com	33
http://cypher-works.com	13
http://jp.flavors.me	10
http://flavors.me	6
http://www.shaftoku.com	6
http://linyo.ws	5
http://feeds.feedburner.com	4
http://wp	2
http://www.mefeedia.com	2
http://floeh.symfony.local	1
http://s3.amazonaws.com	1
http://webcache.googleusercontent.com	1
http://dosc.symfony.gr.jp	1

A Practical Introduction to Symfony2

by Kris Wallsmith

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