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Malte Schlüter malte.schlueter@sensiolabs.de @malteschlueter

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Agenda Deprecations New Features PHP 8 New Components

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https://packagist.org/packages/symfony/symfony/advisories ^5.1. 5 ^4.4.1 3 ^3.4.35

Deprecations from 5.1 to 5.2 Code will be removed in Symfony 6.0 Symfony 5.2 https://github.com/symfony/symfony/blob/5.x/UPGRADE-5.2.md

Deprecated setPrivate() use Symfony\Component\DependencyInjection\Alias ; use Symfony\Component\DependencyInjection\Definition ; /** @var Definition $definition * / $definition->setPublic(true) ; $definition->setPrivate(false) ; /** @var Alias $alias * / $alias->setPublic(true) ; $alias->setPrivate(false) ; DependencyInjection

Deprecated public services to private FrameworkBundle validator form.factory form.type.file translator security.csrf.token_manager serializer cache_clearer filesystem use Symfony\Component\DependencyInjection\ContainerInterface ; class SomeServic e { private ContainerInterface $container ; public function doSomething(): voi d { $translator = $this->container->get('translator') ; } } // Accessing the "%alias_id%" service directly from the container is deprecated, use dependency injection instead .

Deprecated public services to private TwigBundle twig use Symfony\Component\DependencyInjection\ContainerInterface ; class SomeServic e { private Environment $container ; public function doSomething(): voi d { $twig = $this->container->get('twig') ; } } // Accessing the "%alias_id%" service directly from the container is deprecated, use dependency injection instead .

Deprecated the allowEmptyString option Validator use Symfony\Component\Validator\Constraints as Assert ; // Befor e /* * * @Assert\Length(min=5, allowEmptyString=true ) * / // Afte r /* * * @Assert\AtLeastOneOf( { * @Assert\Blank() , * @Assert\Length(min=5 ) * } ) * /

BC BREAKS from 5.1 to 5.2 Symfony 5.2 only in experimental features

Changed return type Noti f i er namespace Symfony\Component\Notifier\Transport ; use Symfony\Component\Notifier\Message\MessageInterface ; use Symfony\Component\Notifier\Message\SentMessage ; /* * * @experimental in 5. 1 * / interface TransportInterfac e { // Befor e public function send(MessageInterface $message): void ; // Afte r public function send(MessageInterface $message): ?SentMessage; }

Changed return type Noti f i er namespace Symfony\Component\Notifier\Transport ; use Symfony\Component\Notifier\Message\MessageInterface ; use Symfony\Component\Notifier\Message\SentMessage ; /* * * @experimental in 5. 1 * / abstract class AbstractTransport implements TransportInterfac e { // Befor e abstract protected function doSend(MessageInterface $message): void ; // Afte r abstract protected function doSend(MessageInterface $message): SentMessage ; // ... }

Changed type-hint Noti f i er namespace Symfony\Component\Notifier\Notification ; use Symfony\Component\Notifier\Message\EmailMessage ; use Symfony\Component\Notifier\Recipient\EmailRecipientInterface ; use Symfony\Component\Notifier\Recipient\Recipient ; /* * * @experimental in 5. 1 * / interface EmailNotificationInterfac e { // Befor e public function asEmailMessage(Recipient $recipient, string $transport = null): ?EmailMessage ; // Afte r public function asEmailMessage(EmailRecipientInterface $recipient, string $transport = null): ?EmailMessage ; }

Changed type-hint Noti f i er namespace Symfony\Component\Notifier\Notification ; use Symfony\Component\Notifier\Message\SmsMessage ; use Symfony\Component\Notifier\Recipient\Recipient ; use Symfony\Component\Notifier\Recipient\SmsRecipientInterface ; /* * * @experimental in 5. 1 * / interface SmsNotificationInterfac e { // Befor e public function asSmsMessage(Recipient $recipient, string $transport = null): ?SmsMessage ; // Afte r public function asSmsMessage(SmsRecipientInterface $recipient, string $transport = null): ?SmsMessage ; }

Changed type-hint Noti f i er namespace Symfony\Component\Notifier ; use Symfony\Component\Notifier\Notification\Notification ; use Symfony\Component\Notifier\Recipient\Recipient ; use Symfony\Component\Notifier\Recipient\RecipientInterface ; /* * * @experimental in 5. 1 * / interface NotifierInterfac e { // Befor e public function send(Notification $notification, Recipient ...$recipients): void ; // Afte r public function send(Notification $notification, RecipientInterface ...$recipients): void ; }

Changed type-hint Noti f i er namespace Symfony\Component\Notifier\Notification ; use Symfony\Component\Notifier\Recipient\Recipient ; use Symfony\Component\Notifier\Recipient\RecipientInterface ; /* * * @experimental in 5. 1 * / class Notificatio n { // Befor e public function getChannels(Recipient $recipient): array ; // Afte r public function getChannels(RecipientInterface $recipient): array ; }

Changed type-hint Noti f i er namespace Symfony\Component\Notifier\Channel ; use Symfony\Component\Notifier\Notification\Notification ; use Symfony\Component\Notifier\Recipient\Recipient ; use Symfony\Component\Notifier\Recipient\RecipientInterface ; /* * * @experimental in 5. 1 * / interface ChannelInterfac e { // Before public function notify(Notification $notification, Recipient $recipient, string $transportName = null): void ; public function supports(Notification $notification, Recipient $recipient): bool ; // After public function notify(Notification $notification, RecipientInterface $recipient, string $transportName = null): void ; public function supports(Notification $notification, RecipientInterface $recipient): bool ; }

Updated Security System Security // Remove d \Symfony\Component\Security\Http\Firewall\AccessListener::PUBLIC_ACCES S // Use instea d \Symfony\Component\Security\Core\Authorization\Voter\AuthenticatedVoter::PUBLIC_ACCES S https://symfony.com/blog/new-in-symfony-5-1-updated-security-system In the experimental authenticator-based system, * TokenInterface::getUser( ) returns null in case of unauthenticated session.

New features Symfony 5.2

True colors in the console Contributed by fabpot in #36802 // using a predefined styl e $output->writeln('... contents ...>') ; // custom style using basic color s $output->writeln('... contents …>') ; // custom style using true color s $output->writeln('... contents ...>') ; // the third optional argument defines the style s $color = new Color('#000', '#fff', ['underscore', 'reverse']) ; echo $color->apply('... contents ...') ; Console

Doctrine types for UUID and ULID Contributed by gennadigennadigennadi in #37678 /* * * @ORM\Entit y * / class Produc t { /* * * @ORM\Column(type="uuid" ) * / private $someProperty ; /* * * @ORM\Column(type="uuid_binary" ) * / private $anotherProperty ; } Doctrine /* * * @ORM\Entit y * / class Produc t { /* * * @ORM\Column(type="ulid" ) * / private $someProperty ; /* * * @ORM\Column(type="ulid_binary" ) * / private $anotherProperty ; }

Doctrine types for UUID and ULID Contributed by gennadigennadigennadi in #37678 // there are generators for UUID V1 and V6 to o use Symfony\Bridge\Doctrine\IdGenerator\UuidV4Generator; /* * * @ORM\Entit y * / class Produc t { /* * * @ORM\I d * @ORM\Column(type="uuid", unique=true ) * @ORM\GeneratedValue(strategy="CUSTOM" ) * @ORM\CustomIdGenerator(class=UuidV4Generator::class ) * / private $id ; } Doctrine

Doctrine types for UUID and ULID Contributed by gennadigennadigennadi in #37678 use Symfony\Bridge\Doctrine\IdGenerator\UlidGenerator; /* * * @ORM\Entit y * / class Produc t { /* * * @ORM\I d * @ORM\Column(type="ulid", unique=true ) * @ORM\GeneratedValue(strategy="CUSTOM" ) * @ORM\CustomIdGenerator(class=UlidGenerator::class ) * / private $id ; } Doctrine

Uid normalizer Contributed by guillbdx and norkunas in #36406 and #38151 /* * * @ORM\Entit y * / class Produc t { /* * * @ORM\Column(type="uuid" ) * / private $id ; } Serializer $product = new Product() ; $jsonContent = $serializer->serialize($product, 'json') ; // $jsonContent contains {"id":"9b7541de-6f87-11ea-ab3c-9da9a81562fc","...":"..." }

Ulid validation Contributed by laurent35240 in #38322 /* * * @ORM\Entit y * / class Produc t { /* * * @ORM\Column(type="ulid" ) * @Assert\Uli d * / private $id ; } Validator

Translatable objects Contributed by natewiebe13 in #37670 // Befor e return $this->render('...', [ 'order_status' => [ 'message' => 'order.status_message' , 'params' => ['%status%' => $order->getStatus(), '%order_id%' => $order->getId()] , 'domain' => 'admin' , ] , ]); Translation {# Before # } {{ order_status.message|trans(order_status.params, order_status.domain) }}

Translatable objects Contributed by natewiebe13 in #37670 // Afte r use Symfony\Component\Translation\TranslatableMessage; return $this->render('...', [ 'order_status' => new TranslatableMessage ( 'order.status_message' , ['%status%' => $order->getStatus(), '%order_id%' => $order->getId()] , 'admin ' ) , ]); Translation {# After # } {{ order_status|trans }}

Translatable objects Contributed by natewiebe13 in #37670 {# Before #} {{ message is defined ? message|trans : fallback|trans({'%param%': value}) }} {# After #} {{ message|default(t(fallback, {'%param%': value}))|trans }} Translation

Session pro f i ling Contributed by mtarld in #36364 WebPro f i lerBundle

Noti f i er improvements Contributed by jschaedl in #36479 WebPro f i lerBundle

Simpler DataCollectors Contributed by lvo in #37332 # config/services.yam l services : App\DataCollector\MyCustomDataCollector : tags : - name: data_collecto r template: 'data_collector/template.html.twig ' id: 'app.my_custom_collector ' use Symfony\Component\HttpKernel\DataCollector\DataCollectorInterface ; class MyCustomDataCollector implements DataCollectorInterfac e { // ... } WebPro f i lerBundle

Simpler DataCollectors Contributed by lvo in #37332 use Symfony\Bundle\FrameworkBundle\DataCollector\AbstractDataCollector ; class MyCustomDataCollector extends AbstractDataCollecto r { public function collect(Request $request, Response $response, \Throwable $exception = null): voi d { $this->data = '...' ; } public static function getTemplate(): ?strin g { return 'data_collector/template.html.twig' ; } public function getName(): strin g { return 'app.my_custom_collector' ; } } WebPro f i lerBundle

New integrations Noti f i er • Infobip SMS in PR #36480 provided by Jérémy Romey • Google Chat in PR #36488 provided by Jérôme Tamarelle • Esendex SMS in PR #36573 provided by Olivier Dolbeau • Zulip Chat in PR #36616 provided by Mohammad Emran Hasan • Mobyt SMS in PR #36648 provided by Bastien Durand • SMSAPI SMS in PR #36940 provided by Marcin Szepczynski • LinkedIn in PR #37830 provided by Smaine Milianni • Sendinblue SMS in PR #38298 provided by Pierre Tondereau • Discord Chat in PR #38522 provided by Karoly Gossler and Mathieu Piot • Improved Telegram Chat to allow de f i ne some options in PR #36496 provided by Mihail Krasilnikov

DKIM email authentication Contributed by fabpot in #37165 use Symfony\Component\Mime\Crypto\DkimSigner ; use Symfony\Component\Mime\Email ; $email = (new Email() ) ->from('hello@example.com' ) // .. . ->html('...') ; $signer = new DkimSigner('file:///path/to/private-key.key', 'example.com', 'sf') ; $signedEmail = $signer->sign($email) ; /** @var /Symfony\Component\Mailer\MailerInterface $mailer * / $mailer->send($signedEmail); Mailer

Retryable HTTP client Contributed by fabpot in #37165 framework : http_client : retry_failed : # only retry errors with these HTTP code s http_codes: [429, 500 ] max_retries: 2 # waiting time between retries (in milliseconds ) delay: 100 0 # if set, the waiting time of each retry increases by this facto r # (e.g. first retry: 1000ms; second retry: 3 * 1000ms; etc. ) multiplier: 3 HttpClient framework : http_client : retry_failed: true # 423, 425, 429, 500, 502, 503, 504, 507, 510

Form mapping callbacks Contributed by yonelceruto in #37968 class PersonType extends AbstractTyp e { public function buildForm(FormBuilderInterface $builder, array $options ) { $builde r ->add('name', TextType::class, [ 'getter' => function (Person $person, FormInterface $form): string { return $person->getUserData()->getFirstName() ; } , 'setter' => function (Person &$person, ?string $name, FormInterface $form): void { $person->rename($name) ; } , ] ) ; } } Form

Form testing asserts Contributed by mnapoli in #38287 and #38288 // Befor e $view = $this->factory->create(TestedType::class, $formData)->createView() ; $this->assertArrayHasKey('custom_var', $view->vars) ; $this->assertSame('expected value', $view->vars[‚custom_var‘]) ; // Afte r class SomeTest extends WebTestCas e { public function testIndex(): voi d { $client = static::createClient() ; $client->request('GET', '/some-page') ; $client->submitForm('Save', [ 'activateMembership' => 'on' , 'trialPeriod' => '7' , ]) ; self::assertFormValue('#form', 'trialPeriod', '7') ; self::assertCheckboxChecked('activateMembership') ; } } PHPUnit Bridge

Shared locks Contributed by jderusse in #37752 use Symfony\Component\Lock\LockFactory ; use Symfony\Component\Lock\Store\InMemoryStore ; $factory = new LockFactory(new InMemoryStore()) ; $lock1 = $factory->createLock('test') ; $lock2 = $factory->createLock('test') ; $lock1->acquire(); // tru e $lock2->acquire(); // fals e $lock1->release() ; $lock2->acquire(); // true Lock

Shared locks Contributed by jderusse in #37752 use Symfony\Component\Lock\LockFactory ; use Symfony\Component\Lock\Store\InMemoryStore ; $factory = new LockFactory(new InMemoryStore()) ; $lock1 = $factory->createLock('test') ; $lock2 = $factory->createLock('test') ; $lock3 = $factory->createLock('test') ; $lock1->acquireRead(); // tru e $lock2->acquireRead(); // tru e $lock3->acquire(); // false Lock

Shared locks Contributed by jderusse in #37752 use Symfony\Component\Lock\LockFactory ; use Symfony\Component\Lock\Store\InMemoryStore ; $factory = new LockFactory(new InMemoryStore()) ; $lock1 = $factory->createLock('test') ; $lock2 = $factory->createLock('test') ; $lock3 = $factory->createLock('test') ; $lock1->acquire(); // tru e $lock2->acquire(); // fals e $lock3->acquireRead(); // false Lock

Shared locks Contributed by jderusse in #37752 Lock use Symfony\Component\Lock\LockFactory ; use Symfony\Component\Lock\Store\SemaphoreStore ; $factory = new LockFactory(new SemaphoreStore()) ; $lock1 = $factory->createLock('test') ; $lock2 = $factory->createLock('test') ; $lock3 = $factory->createLock('test') ; $lock1->acquireRead(); // tru e $lock2->acquireRead(); // fals e $lock3->acquire(); // false

Front controller con f i guration Contributed by nicolas-grekas in #37351 FrameworkBundle // public/index.ph p use App\CacheKernel ; use App\Kernel ; // .. . $kernel = new Kernel($_SERVER['APP_ENV'], (bool) $_SERVER['APP_DEBUG']) ; if ('prod' === $kernel->getEnvironment()) { $kernel = new CacheKernel($kernel) ; } $request = Request::createFromGlobals() ; // ...

Front controller con f i guration Contributed by nicolas-grekas in #37351 FrameworkBundle # config/packages/framework.yam l framework : # use the HTTP Cache default s http_cache: tru e # configure every HTTP Cache optio n http_cache : private_headers: ['Authorization', 'Cookie', 'MyCustomHeader' ] default_ttl: 360 0 allow_revalidate: tru e stale_if_error: 600

Front controller con f i guration Contributed by nicolas-grekas in #37357 FrameworkBundle // public/index.ph p // .. . if ($trustedProxies = $_SERVER['TRUSTED_PROXIES'] ?? false) { Request::setTrustedProxies ( explode(',', $trustedProxies), Request::HEADER_X_FORWARDED_ALL ^ Request::HEADER_X_FORWARDED_HOS T ) ; } if ($trustedHosts = $_SERVER['TRUSTED_HOSTS'] ?? false) { Request::setTrustedHosts([$trustedHosts]) ; } $kernel = new Kernel($_SERVER['APP_ENV'], (bool) $_SERVER['APP_DEBUG']) ; // ...

Front controller con f i guration Contributed by nicolas-grekas in #37357 FrameworkBundle # config/packages/framework.yam l framework: # configure proxies to trust directly in the config file : trusted_proxies: '127.0.0.0/8,10.0.0.0/8,172.16.0.0/12,192.168.0.0/16 ' # or use an env var if this value is dynami c trusted_proxies: '%env(TRUSTED_PROXIES)% ' # you can also define the trusted header s trusted_headers: ['x-forwarded-all', '!x-forwarded-host', '!x-forwarded-prefix']

Login links Contributed by weaverryan in #38177 Security

Login links Contributed by weaverryan in #38177 Security security : enable_authenticator_manager: true firewalls: main: login_link : check_route: 'magic_link_verify ' signature_properties: [id, password, email ] lifetime: 600 # optional (default=600 ) max_uses: 3 # optional (default=null ) used_link_cache: cache.app # Cache service id used if max_uses is set # Generated URL looks something like this : # https://127.0.0.1:9033/login/verify? user=weaverryan@gmail.com&expires=1601342578&hash=YzE1ZDJlYjM3YTMyMjgwZDdkYzg2ZjFlMjZhN2E5ZWRmM zk3NjAxNjRjYThiMjMzNmIxYzAzYzQ4NmQ2Zjk4NA%3D%3D

class MagicLinkLoginController extends AbstractControlle r { /* * * @Route("/login", name="magic_link_login" ) * / public function requestMagicLink(Request $request, LoginLinkHandlerInterface $loginLinkHandler, UserRepository $userRepository, AuthenticationUtils $authenticationUtils ) { if ($request->isMethod('POST')) { $email = $request->request->get('email') ; $user = $userRepository->findOneBy(['email' => $email]) ; if ($user) { $magicLink = $loginLinkHandler->createLoginLink($user) ; // TODO: in a real app, use notifier to email thi s dump($magicLink->getUrl()) ; } return $this->redirectToRoute('magic_link_check_email') ; } return $this->render('magic_link/login.html.twig', [ 'error' => $authenticationUtils->getLastAuthenticationError( ) ]) ; } /* * * @Route("/login/check-email", name="magic_link_check_email" ) * / public function magicLinkCheckEmail( ) { return $this->render('magic_link/check_email.html.twig') ; } /* * * @Route("/login/verify", name="magic_link_verify" ) * / public function checkMagicLink( ) { throw new \Exception('will be handled by authenticator') ; Security

Login Throttling Contributed by wouterj in #38204 Security security : firewalls : default : # by default, the feature allows 5 login attempts per minut e login_throttling: ~ # configuring the maximum login attempts (per minute ) login_throttling : max_attempts: 1 # you can even use a custom rate limiter via its service I D login_throttling : limiter: app.my_login_rate_limite r

PHP 8

PHP 8 attributes Contributed by derrabus in #37474 and #37545 PHP 8 // Befor e use Symfony\Component\Routing\Annotation\Route ; class SomeControlle r { /* * * @Route("/path", name="action" ) * / public function someAction( ) { // .. . } } // Afte r use Symfony\Component\Routing\Annotation\Route ; class SomeControlle r { #[Route(‚/path', name: 'action')] public function someAction( ) { // .. . } }

PHP 8 attributes Contributed by derrabus in #37474 and #37545 PHP 8 use Symfony\Contracts\Service\Attribute\Required ; class SomeServic e { /** @Required */ #[Required ] public Bar $bar ; /** @Required */ #[Required ] public function setFoo(Foo $foo): voi d { // .. . } }

Controller argument attributes Contributed by jvasseur in #37829 PHP 8 use App\Entity\MyUser ; use Symfony\Bundle\FrameworkBundle\Controller\AbstractController ; use Symfony\Component\Security\Http\Attribute\CurrentUser ; class SomeController extends AbstractControlle r { public function index(#[CurrentUser] MyUser $user) { // .. . } }

Constraints as PHP attributes Contributed by derrabus in #38309 and #38499 PHP 8 // Befor e use Symfony\Component\Validator\Constraints as Assert ; class Autho r { /* * * @Assert\Choice ( * choices = { "fiction", "non-fiction" } , * message = "Choose a valid genre. " * ) * / private $genre ; } // Afte r use Symfony\Component\Validator\Constraints as Assert ; class Autho r { #[Assert\Choice ( choices: ['fiction', 'non-fiction'] , message: 'Choose a valid genre.' , )] private $genre ; } Join the discussion for an alternative of nested attributes in #38503.

New Components

Semaphore Component Symfony 5.2

RateLimiter Component Symfony 5.2 experimental

There is even more https://github.com/symfony/symfony/blob/5.x/UPGRADE-5.2.md

Questions?

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