Introduction to Symfony2

Andreas Hucks, SensioLabs Deutschland @meandmymonkey

What is Symfony2?

Symfony2 is a reusable set of standalone, decoupled, and cohesive PHP 5.3 components

that solve common web development problems.

Symfony2 is also a full-stack web framework.

http://localhost/.../web/app_dev.php/

Front  Controller  

Environment  The "rst page

Separation of Concerns Implementation

Controller

View Model

/hello/fabien The Controller analyses the user request, calls the Model and passes data to the View.

The View layer formats data in a dedicated format (html, json…)

The Model stores the business logic and classes that manipulate data.

R

Router

Request

Glossary

An Application is a directory containing the con"guration for a given set of Bundles

A Bundle is a structured set of "les that implements a single feature and which can be easily shared with other developers.

Creating a new Bundle

Routing Con!guration

class HelloController { /** * @Route("/hello/{name}") */ public function helloAction($name) { // ... } }

Annotation Con"guration

The Controller Layer

Generating a response namespace Sensio\Bundle\TrainingBundle\Controller; use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route; use Symfony\Component\HttpFoundation\Response; class DefaultController { /** * @Route("/hello/{name}") */ public function indexAction($name) { return new Response(sprintf('Hello %s!', $name)); } }

The View Layer

// ... class DefaultController extends Controller { /** * @Route("/hello/{name}") */ public function indexAction($name) { $view = 'SensioTrainingBundle:Default:index.html.twig'; return $this->render($view, array('name' => $name)); } }

Rendering a view

Introduction to forms

Form

Data Source

POPO

Reads the data source

Reads the object

Writes the object

Normalization

Mapping

Validation