Slides changes symfony23

Who am I
martes 25 de junio de 13

I was born in Córdoba
I work in London
Javier López

I’ve worked
IPC Media y Sensio Labs UK
I work at
TimeOut
I organize
deSymfony

Reasons to upgrade
to Symfony 2.3

#1
Stable for products and
companies

2012 2013 2014 2015 2016 2017
2.0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
Stabilisation
Maintenance
Development

2012 2013 2014 2015 2016 2017
2.0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
Estabilización
Mantenimiento
Desarrollo
First LTS of the 2.x era

2012 2013 2014 2015 2016 2017
2.0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
Estabilización
Mantenimiento
Desarrollo
Backwards compatibility
First LTS of the 2.x era

#2
Less coupled architecture

BrowserKit
Finder
Locale
Routing
ClassLoader Config Console CssSelector
DI DomCrawler EventDispatcher Filesystem
Form HttpFoundation HttpKernel
Process
Security Serializer Templating
Translation Validator
Yaml
22 components2.0

BrowserKit
Finder
Locale
Routing
OptionsResolver Process
Security Serializer Templating
Yaml
23 components2.12.0

BrowserKit
Finder
Locale
Routing
OptionsResolver Process PropertyAccess
Security Serializer Stopwatch Templating
Yaml
25 components2.22.12.0

BrowserKit
Debug
Finder
Locale
Routing
Form HttpFoundation HttpKernel Intl
OptionsResolver Process PropertyAccess
Security Serializer Stopwatch Templating
Yaml
2.3 27 components2.22.12.0

#3
More documentation

2.0
20
109
51
Book
Cookbook
2.1
20
118
58
Components
20
120
63
2.2
20
123
68
2.3
# pages

#4
Easier to debug

More levels of verbosity
$ php app/console foo --verbose=1 # -v
$ php app/console foo --verbose=2 # -vv
$ php app/console foo --verbose=3 # -vvv

class MyCommand extends Command
{
protected function execute($input, $output)
{
$verbosity = $output->getVerbosity();
if ($verbosity === OutputInterface::VERBOSITY_VERBOSE)
{
$output->writeln("Information");
}
if ($verbosity === OutputInterface::VERBOSITY_VERY_VERBOSE)
{
$output->writeln("More information");
}
if ($verbosity === OutputInterface::VERBOSITY_DEBUG)
{
$output->writeln("Even more information");
}
}

conﬁguration parameters
$ console container:debug --parameters
$ console container:debug --parameter=kernel.debug

stack trace en plain text

more information in router:match
$ php app/console router:match /demo/hello/fabien
Route "_demo_hello" matches
[router] Route "_demo_hello"
Name _demo_hello
Path /demo/hello/{name}
Host ANY
Scheme ANY
Method ANY
Class SymfonyComponentRoutingRoute
Defaults _controller: AcmeDemoBundleController
DemoController::helloAction
Requirements NO CUSTOM
Options compiler_class: SymfonyComponentRoutingRouteCompiler
Path-Regex #^/demo/hello/(?P<name>[^/]++)$#s

Debug component

echo $foo

Notice: Undefined variable: foo in
index.php on line 1

use SymfonyComponentDebugDebug;
Debug::$enable();
echo $foo;

PHP Fatal error: Uncaught exception 'SymfonyComponentDebug
ExceptionContextErrorException' with message 'Notice: Undefined
variable: foo in index.php line 9' in index.php:9
Stack trace:
#0 index.php(9): SymfonyComponentDebugErrorHandler->handle(8,
'Undefined varia...', '/Users/loalf/Pr...', 9, Array)
#1 {main}
thrown in index.php on line 9

#5
A mightier console

Events

$ php app/console fooCommand

console.command

console.command
fooCommand::run()

console.command
fooCommand::run()
console.exception

console.command
fooCommand::run()
console.terminate
console.exception

Listener.php

namespace AcmeDemoBundle;
class Listener
{
public function onCommand($event)
{
// your code
}
}
Listener.php

parameters.yml
class Listener
{
{
// your code
}
}
Listener.php

services:
acme.console.listener:
class: AcmeDemoBundleListener
tags:
-
name: kernel.event_listener
event: console.command
method: onCommand
parameters.yml
class Listener
{
{
// your code
}
}
Listener.php

tables

$table = $app->getHelperSet()->get('table');
$table
->setHeaders(array('ISBN', 'Title', 'Author'))
->setRows(array(
array('99921-58-10-7', 'Divine Comedy', 'Dante ...'),
array('9971-5-0210-0', 'A Tale of Two Cities', '...'),
array('960-425-059-0', 'The Lord of the Rings', '...'),
array('80-902734-1-6', 'And Then There Were None', '...'),
))
;
$table->render($output);

=============== ========================== ==================
ISBN Title Author
=============== ========================== ==================
99921-58-10-7 Divine Comedy Dante Alighieri
9971-5-0210-0 A Tale of Two Cities Charles Dickens
960-425-059-0 The Lord of the Rings J. R. R. Tolkien
80-902734-1-6 And Then There Were None Agatha Christie
=============== ========================== ==================

$table = $app->getHelperSet()->get('table');
$table
->setHeaders(array('ISBN', 'Title', 'Author'))
->setLayout(TableHelper::LAYOUT_BORDERLESS)
->setRows(array(
array('99921-58-10-7', 'Divine Comedy', 'Dante ...'),
array('9971-5-0210-0', 'A Tale of Two Cities', '...'),
array('960-425-059-0', 'The Lord of the Rings', '...'),
array('80-902734-1-6', 'And Then There Were None', '...'),
))
;
$table->render($output);
->setLayout(TableHelper::LAYOUT_BORDERLESS)

|···············|··························|··················|
| ISBN | Title | Author |
|···············|··························|··················|
| 99921-58-10-7 | Divine Comedy | Dante Alighieri |
| 9971-5-0210-0 | A Tale of Two Cities | Charles Dickens |
| 960-425-059-0 | The Lord of the Rings | J. R. R. Tolkien |
| 80-902734-1-6 | And Then There Were None | Agatha Christie |
|···············|··························|··················|

$table = $this->getHelperSet()->get('table');
$table
->setHorizontalBorderChar("·")
->setCrossingChar(
"<fg=white;bg=red>|</fg=white;bg=red>"
)
->setVerticalBorderChar(
"<fg=white;bg=red>|</fg=white;bg=red>"
)
;

#6
Better performance

class HeavyService
{
public function __construct() { sleep(10); }
public function doFoo() { echo “foo”; }
}

class LightService
{
public function __construct($service)
{
$this->service = $service;
}
public function doFoo() {
$this->service->doFoo();
}
public function doBar() { echo “bar”; }
}

services:
acme.demo.heavy_service:
class: AcmeDemoBundleHeavyService
acme.demo.light_service:
class: AcmeDemoBundleLightService
arguments: [@acme.demo.heavy_service]

class DemoController extends Controller
{
$ls = $this->get(‘acme.demo.light_service’);
$ls->doBar();
}

{
$ls->doBar();
}
10220ms

services:
acme.demo.heavy_service:
class: AcmeDemoBundleHeavyService
lazy: true
acme.demo.light_service:
class: AcmeDemoBundleLightService
arguments: [@acme.demo.heavy_service]

220ms
{
$ls->doBar();
}

{
$ls->doFoo();
}

10220ms
{
$ls->doFoo();
}

composer require ocramius/proxy-manager

#7
More validators

•Currency
•IBAN - International Bank Account Number
Banking

• ISBN - International Standard Book Number
•ISSN - International Standard Serial Number
Publications

•EqualTo
•NotEqualTo
•IdenticalTo
•NotIdenticalTo
Comparison
•LessThan
•LessThanOrEqual
•GreaterThan
•GreaterThanOrEqual

#8
More HTML5 compliant

Message
Name
Surname
Email
Burritos web
Andele. Contactanos.
send

Message
Name
Surname
Email
Burritos web
Andele. Contactanos.
send
<textarea form=my_form>

$form = $crawler->selectButton('send')
->getForm();
$values = $form->getValues();
$keys = array_keys($values)
2.3<sf

->getForm();
2.3<sf
#'name', 'surname', 'email'

->getForm();
2.3=sf

->getForm();
2.3=sf
#'name', 'surname', 'email', 'message'

#9
Easier to use

parameters.yml generation

> composer install
Generating autoload files
Creating the "app/config/parameters.yml" file.
Some parameters are missing. Please provide them.
database_driver (pdo_mysql):
database_host (127.0.0.1):
database_port (null):
database_name (symfony):
database_user (root):
database_password (null):
mailer_transport (smtp):
mailer_host (127.0.0.1):
mailer_user (null):
mailer_password (null):
locale (en):
secret (ThisTokenIsNotSoSecretChangeIt):

#*
And even more things

What we will see in
Symfony 2.4

Besides the few pull requests that
already target 2.4, I have one topic
that I want us to work on for 2.4:
**performance**

https://groups.google.com/forum/#!topic/symfony-devs/
rwN1gwuHEC4

AdminBundle

Cache
AdminBundle

Cache
RAD
AdminBundle

Cache
RADREST
AdminBundle

KEEP
CALM
AND
UPGRADE
SYMFONY

Thanks. Questions?
FYI, TimeOut is recruiting
http://joind.in/talk/view/8853
@loalf

Slides changes symfony23

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