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Status about
Tuesday May 4th, 2015 – Helsinki – Finland
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WHO AM I?
• Head of
• Trainer & Developer
• Enjoying sharer
• Contributor to
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3
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https://sensiolabs.com
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5
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1.
WHAT
IS
SYMFONY
2.
WHAT’S
NEW?
6
Summary
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8
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WHAT
IS
SYMFONY?
9
Round
1
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Framework
Philosophy
Community
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Dependency
Injection
BrowserKit
ClassLoader
Config
CssSelector
Debug
DomCrawler
Filesystem
Finder
HttpFoundation
HttpKernel
Locale Intl Icu
OptionsResolver
Process
PropertyAccess
Serializer Stopwatch Templating Translation
Validator
ExpressionLanguage
Console
yaml
EventDispatcher
Routing
Security
Form
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https://symfony.com/roadmap
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INTRODUCING…
THE
COMMUNITY!
17
Round
1
-‐
What
is
Symfony
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+1,000 code contributors
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+700 documentation
contributors
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+2,500 community
bundles
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And many open source projects!
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SIMPLIFY
THE
DEVS’
LIFE:
IDE
INTEGRATION
22
Round
1
-‐
What
is
Symfony
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No content
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SIMPLIFY
THE
DEVS’
LIFE:
EASY
INSTALLATION
24
Round
1
-‐
What
is
Symfony
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Easy installation with Composer
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Easy
installation
26
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Easy
installation
with
the
installer
27
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THE
PHILOSOPHY
28
Round
1
-‐
What
is
Symfony
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# web/app.php
use Symfony\Component\HttpFoundation\Request;
$kernel = new AppKernel('prod', false);
$kernel->loadClassCache();
$request = Request::createFromGlobals();
$response = $kernel->handle($request);
$response->send();
$kernel->terminate($request, $response);
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Separation of Concerns Implementation
Controller
View
Model
Modifies the model
Returns model data
Renders the view
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
Response
Request
/hello/fabien
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30
Separation of Concerns Implementation
Controller
View
Model
Modifies the model
Returns model data
Renders the view
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
Response
Request
/hello/fabien
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30
Separation of Concerns Implementation
Controller
View
Model
Modifies the model
Returns model data
Renders the view
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
Response
Request
/hello/fabien
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VC
Framework
31
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namespace Acme\DemoBundle\Controller;
use Sensio\Bundle\FrameworkExtraBundle\[…]\Route;
use Symfony\Component\HttpFoundation\Response;
class DefaultController
{
/** @Route("/hello/{name}") */
public function indexAction($name)
{
return new Response('Hello '.$name);
}
}
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class DefaultController extends Controller
{
/** @Route("/hello/{name}") */
public function indexAction($name)
{
return $this->render(
'AcmeDemoBundle:Default:index.html.twig',
[ 'name' => $name ]
);
}
}
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class DefaultController
{
/**
* @Route("/schedule")
* @Template
*/
public function indexAction()
{
return [ 'title' => 'Schedule' ];
}
}
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35
Round
1
-‐
What
is
Symfony
GREAT
TOOL
TO
CODE
FASTER:
TWIG
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{% extends "SensioConferenceBundle::layout.html.twig" %}
{% block content %}
{{ title }}
- HTTP Caching, by Fabien Potencier
- HipHop for PHP, by Scott Mac Vicar
- XDebug, by Derick Rethans
- ...
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{% extends "SensioConferenceBundle::layout.html.twig" %}
{% block title 'Conference Schedule' %}
{% block content %}
{{ title }}
- HTTP Caching, by Fabien Potencier
- HipHop for PHP, by Scott Mac Vicar
- XDebug, by Derick Rethans
- ...
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{% extends "::base.html.twig" %}
{% block body %}
{% block content '' %}
{% endblock %}
layout.html.twig
{% block content '' %}
{% endblock %}
layout.html.twig
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{% block title 'Welcome!' %}
{% block body '' %}
base.html.twig
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base.html.twig
layout.html.twig
index.html.twig
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Twig is a modern template engine
for PHP
▪ Fast
▪ Concise and rich syntax
▪ Automatic output escaping
▪ Modern features
▪ Extensible
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Twig is a modern template engine
for PHP
▪ Fast
▪ Concise and rich syntax
▪ Automatic output escaping
▪ Modern features
▪ Extensible
twig.sensiolabs.org
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SIMPLIFY
THE
DEVS’
LIFE:
DEVELOPMENT
TOOLS
42
Round
1
-‐
What
is
Symfony
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No content
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No content
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No content
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No content
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SIMPLIFY
THE
DEVS’
LIFE:
CODE
GENERATORS
47
Round
1
-‐
What
is
Symfony
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$ php app/console generate:bundle
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No content
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$ php app/console generate:doctrine:crud
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GREAT
TOOL
TO
CODE
FASTER:
ROUTING
COMPONENT
51
Round
1
-‐
What
is
Symfony
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The router maps a
url pattern to a set
of internal
parameters.
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The router maps a
url pattern to a set
of internal
parameters.
It’s about matching a request to
a callable => action
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/**
* @Route(
* "/{year}/talk/{month}/{day}/{slug}",
* requirements={
* "year"="\d{4}",
* "month"="\d{2}",
* "day"="\d{2}"
* }
* )
*/
public function showAction($slug, $day, $month, $year)
{
// ...
}
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acme_blog_show:
path: /{year}/talk/{month}/{day}/{slug}
defaults: { _controller: AcmeBlogBundle:Blog:blog }
requirements:
year: "\d{4}"
month: "\d{2}"
day: "\d{2}"
schemes: https
methods: GET
host: blog.my-domain.com
condition: "request.headers.get('User-Agent') matches '/firefox/i'"
YAML Configuration
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AcmeBlogBundle:Blog:show
\d{4}
\d{2}
\d{2}
request.headers.get('User-Agent') matches '/firefox/i'
XML Configuration
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/** @Route("/talk/{id}") */
function showAction(Talk $talk)
{
// ...
}
Automatic Arguments Discovery
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GREAT
TOOL
TO
CODE
FASTER:
DATABASE
HANDLING
57
Round
1
-‐
What
is
Symfony
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▪ Database Abstraction Layer on top of
PDO
▪ Object Relational Mapper
▪ Migrations support
▪ Object Document Mapper (MongoDB)
Doctrine2 Support
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/** @ORM\Entity */
class Talk
{
/**
* @ORM\Id
* @ORM\GeneratedValue
* @ORM\Column(type="integer")
*/
private $id;
/** @ORM\Column(length=80) */
private $title;
/** @ORM\Column(type="text") */
private $synopsis;
/** @ORM\Column(type="datetime") */
private $schedule;
/** @ORM\ManyToMany(targetEntity="Speaker", mappedBy="talks") */
private $speakers;
}
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GREAT
TOOL
TO
CODE
FASTER:
SERVICE
CONTAINER
60
Round
1
-‐
What
is
Symfony
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Service != Domain object
has
a
state
makes
something
for
the
application
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The service container
manages initialization
of objects.
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services:
user_manager:
class: Acme\UserManager
arguments:
- "@event_dispatcher"
- "@security.encoder_factory"
- "@doctrine.orm.entity_manager"
- "@security.context"
YAML Configuration
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XML Configuration
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class appProdProjectContainer extends Container
{
protected function getUserManagerService()
{
$instance = new Acme\UserManager(
$this->get('debug.event_dispatcher'),
$this->get('security.encoder_factory'),
$this->get('doctrine.orm.default_entity_manager'),
$this->get('security.context')
);
$this->services['user_manager'] = $instance;
return $instance;
}
}
Service Factory Method
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$manager = $this
->container
->get('user_manager')
;
Service Lazy Loading
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GREAT
TOOL
TO
CODE
FASTER:
DATA
VALIDATION
67
Round
1
-‐
What
is
Symfony
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The validator
component
validates objects
against a set of
constraints.
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/** @Assert\UniqueEntity("username") */
class User
{
/**
* @Assert\NotBlank
* @Assert\Email
*/
private $username;
/**
* @Assert\NotBlank
* @Assert\Length(min = 8, max = 32)
*/
private $password;
// ...
}
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$user = new User();
$user->setUsername('[email protected]');
$user->setPassword('changeme');
$validator = $this->get('validator');
$errors = $validator->validate($user);
Validating an Object
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GREAT
TOOL
TO
CODE
FASTER:
FORM
MANAGEMENT
71
Round
1
-‐
What
is
Symfony
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namespace Sensio\UserBundle\Form;
use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\FormBuilderInterface;
class UserType extends AbstractType
{
function buildForm(FormBuilderInterface $builder, …)
{
$builder
->add('username', 'email')
->add('password', 'password')
->add('submit', 'submit')
;
}
}
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public function userAction(Request $request)
{
$user = new User();
$user->setUsername('[email protected]');
$form = $this->createForm(new UserType(), $user);
$form->handleRequest($request);
if ($form->isValid()) {
// ...
}
return ['form' => $form->createView() ];
}
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{{ form(form) }}
Displaying the form
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GREAT
TOOL
TO
CODE
FASTER:
AUTOMATED
TESTS
75
Round
1
-‐
What
is
Symfony
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UNIT TESTING
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FUNCTIONAL TESTING
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No content
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GREAT
TOOL
TO
CODE
FASTER:
HTTP
CACHING
79
Round
1
-‐
What
is
Symfony
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RFC2616
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Expiration
Validation
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class DefaultController
{
/**
* @Template
* @Cache(expires="tomorrow")
*/
public function indexAction()
{
return [ 'title' => 'Schedule' ];
}
}
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class DefaultController
{
/**
* @Template
* @Cache(maxage=120)
*/
public function indexAction()
{
return [ 'title' => 'Schedule' ];
}
}
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HTTP Reverse
Proxy Caching
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varnish-cache.org
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Edge Side
Includes
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No ESI
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With ESI
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GREAT
TOOL
TO
CODE
FASTER:
INTERNATIONALISATION
/
LOCALISATION
89
Round
1
-‐
What
is
Symfony
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Symfony2 is great
J'aime Symfony2
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{% set message = 'Symfony2 is great' %}
{{ message|trans }}
{% set message = 'My name is %name%!' %}
{{ message|trans({'%name%': 'Hugo'}, "hello") }}
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GREAT
TOOL
TO
CODE
FASTER:
AUTHENTICATION
/
AUTHORIZATION
92
Round
1
-‐
What
is
Symfony
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Built-in authentication means
•Form login/password
•X509 certificate
•HTTP Basic
•HTTP Digest
authentication
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•FOSUserBundle
•HWIOAuthBundle (Oauth)
•…
authentication
Third party library
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/**
* @Security("has_role('ROLE_ADMIN')")
*/
public function editAction($id)
{
// granted to perform an action...
}
Using annotations to secure an action
authorization
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Advanced authorization method: Voters
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No content
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No content
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WHAT’S
NEW?
98
Round
2
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SYMFONY
3.0
99
Round
2
-‐
What
is
new?
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100
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100
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3.0
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What
is
it
going
to
be?
• Compared to 2.x? => No new feature
• Removal of descending compatibility layer
• Keeping the compatibility when possible
• >= PHP 5.5.9
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Symfony
2.8
LTS?
• Last refactoring of the 2.X branch
• Last deprecations
• New features
• It will be the 3.0 + descending layers of
compatibility
• >= PHP 5.3.9
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How
to
handle
the
migration?
• UPGRADE.md
• Do not ignore the deprecation notices
• grep/ack ;)
• PHPStorm
•
• error_reporting(E_ALL–E_USER_DEPRECATED)
https://knpuniversity.com/blog/upgrading-‐symfony-‐2.7
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WHAT
IS
GOING
TO
CHANGE
IN
YOUR
APPLICATIONS?
105
Round
2
-‐
What
is
new?
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Deprecated
constants
• UuidValidator::STRICT_PATTERN
• UuidValidator::LOOSE_PATTERN
• UuidValidator::STRICT_UUID_LENGTH
• FormEvents::BIND
• FormEvents::PRE_BIND
• FormEvents::POST_BIND
• Unescaper::ENCODING
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Configuration
variables
• `twig.form.resources`
becomes`twig.form_themes`
• Removal
of
`framework.csrf_protection.field_name`
• `pattern`
becomes
`path`
for
the
routes
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Twig
templates
• Removal
of
the
{% render %} tag
• Removal
of
the
{% include %} tag
• Removal
of
the
global
variable
`app.security`
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ClassLoader
• Removal
of
the
ApcUniversalClassLoader
• Removal
of
the
DebugClassLoader
(use
the
Debug’s
one)
• Removal
of
the
DebugUniversalClassLoader
• Removal
of
the
UniversalClassLoader
(use
Composer)
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Dependency
Injection
Component
• No
more
«
scopes
».
• «
synchronized
»
services
disappear.
• «
factory-‐*
»
attributes
become
«
factory
»
tags.
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Routing
• Attribut
Route::$pattern becomes
Route::$path
• ApacheUrlMatcher
disappears
(mind
to
remove
it
in
your
front
controllers)
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Console
• DialogHelper
replaced
by
Question
• ProgressBarHelper
replaced
by
ProgressBar
• TableHelper
replaced
by
Table
• Removal
of
the
Application::asText()
and::asXml()
• Removal
of
the
Command::asText()
and
::asXml()
• Removal
of
the
InputDefinition::asText()
and
::asXml()
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Event
Dispatcher
• Removal
of
methods
• Event::setName()
• Event::getName()
• Event::getDispatcher()
• Event::setDispatcher()
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HTTP
Kernel
• Removal
of
the
leagcy
LoggerInterface
• Kernel::init() disappears
for
the
__construct()
• HttpCache::getEsi()replaced
by
HttpCache::getSurrogate()
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Form
component
• Form::bind()
-‐>
Form::submit()
/
Form::handleRequest()
• No
more
Form::isBound()
neither
Form::getErrorsAsString()
• AbstractType::setDefaultOptions()
-‐>
AbstractType::configureOptions()
• AbstractTypeExtension::setDefaultOptions()
-‐>
AbstractTypeExtension::configureOptions()
• No
more
of
the
«
virtual
»
option
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Locale
component
• The
component
is
removed.
• Use
the
Intl
component
instead.
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OptionsResolver
component
• Removal
/
renaming
of
several
methods
of
the
OptionsResolver
class.
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Process
component
• Removal
of
the
Process::getStdin()
and
Process::setStdin()
• Refactoring
coming
up
in
2.8
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119
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Property
Access
component
• Removal
of
the
PropertyAccess::getPropertyAccessor()
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FrameworkBundle
• Controller::getRequest()
disappears.
• $this->get('request’) disappears.
• Use
the
RequestStack.
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Security
• security.context
service
disappears
• Use
the
security.token_storage
&
security.authorization_checker
• Removal
of
the
app.security
in
Twig
-‐>
use
is_granted()
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Serializer
• Removal
of
the
JsonDecode::getLastError()
• Removal
of
the
JsonEncode::getLastError()
• Removal
of
the
JsonEncoder::getLastError()
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Translation
• Removal
of
the
Translator::setFallbackLocale()
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Validator
• ViolationBuilder
/
ExecutionContext
-‐>
addViolation()
replaced
by
buildViolation().
• API
BC
(use
of
the
2.5
version).
• Function
Twig
form_enctype()
disappears.
• No
more
«
type
»
option
in
the
ISBN
constraint.
• No
more
«
methods
»
option
in
the
Callback
constraint.
• No
more
«
deep
»
option
in
the
Valid
constraint.
• The
constraints
Optional
&
Required
disappear.
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No content
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No content
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The point is to keep everyone
on the road.
Smooth migration!
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128
One more
thing!
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129
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132
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Useful
links
• http://symfony.com/roadmap
• http://symfony.com/blog/
• https://insight.sensiolabs.com/
133
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Thank you!
@saro0h
speakerdeck.com/saro0h/
This is a zero guys!