What's New in Symfony 5.3

Symfony 5.3 is the last minor release before the LTS and the next major, which means it's the last chance to introduce new experimental features and deprecate things to be removed in Symfony 6. If you want to be prepared for the update at the end of the month, join our speakers Marco, Jan & Malte on a grand tour of what they consider to be the biggest changes.

Transcript

1. What’s new in
   
   
   Symfony 5.3
   

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2. Malte Schlüter
   malte.schlueter@qossmic.com
   @malteschlueter
   marco.petersen@qossmic.com
   @ocrampete16
   Marco Petersen
   jan.schadlich@siemens.de
   @jschaedl
   Jan Schädlich
   

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3. Agenda
   

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4. Agenda
   Deprecations
   

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5. Agenda
   Deprecations
   Improvements
   

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7. Deprecations
   Symfony 5.3
   from 5.2 to 5.3
   Code will be removed in Symfony 6.0
   

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8. Rename master request to main request
   HttpKernelInterface::MASTER_REQUEST -> HttpKernelInterface::MAIN_REQUEST
   
   
   KernelEvent::isMasterRequest() -> KernelEvent::isMainRequest()
   
   
   RequestStack::getMasterRequest() -> RequestStack::getMainRequest()
   
   
   HttpFoundation|HttpKernel
   

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9. Deprecated the SessionInterface alias
   use Symfony\Component\HttpFoundation\Session\SessionInterface;
   
   
   final class SessionAwareService
   
   
   {
   
   
   public function __construct(
   
   
   private SessionInterface $session
   
   
   ) {
   
   
   }
   
   
   public function someMethodUsingTheSession(): void
   
   
   {
   
   
   $foo = $this->session->get('foo');
   
   
   }
   
   
   }
   
   
   FrameworkBundle
   

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10. Deprecated the SessionInterface alias
    use Symfony\Component\HttpFoundation\RequestStack;
    
    
    final class SessionAwareService
    
    
    {
    
    
    public function __construct(
    
    
    private RequestStack $requestStack
    
    
    ) {
    
    
    }
    
    
    public function someMethodUsingTheSession(): void
    
    
    {
    
    
    $foo = $this->requestStack->getSession()->get('foo');
    
    
    }
    
    
    }
    
    
    final class TestController
    
    
    {
    
    
    public function __invoke(Request $request): Response
    
    
    {
    
    
    $foo = $request->getSession()->get('foo');
    
    
    }
    
    
    }
    
    
    FrameworkBundle
    

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11. Removed dependency on symfony/intl
    composer req symfony/intl
    
    
    Form
    LocaleType
    
    
    CountryType
    
    
    CurrencyType
    
    
    LanguageType
    
    
    TimezoneType
    

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12. Deprecated the use of TLS option
    
    
    for Redis Bridge
    # .env
    
    
    # before
    
    
    MESSENGER_TRANSPORT_DSN=redis://localhost:6379/messages?tls=true
    
    
    # after
    
    
    MESSENGER_TRANSPORT_DSN=rediss://localhost:6379/messages
    
    
    Messenger
    

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13. https://github.com/symfony/symfony/blob/master/UPGRADE-5.3.md
    

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14. Improvements
    

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15. More PHP 8 Attributes
    

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16. Autowire arguments in controller actions
    final class Symfony52Controller
    
    
    {
    
    
    #[Route('/symfony52', name: 'symfony52', methods: ['GET'])]
    
    
    public function __invoke(UserRepository $userRepository): Response
    
    
    {
    
    
    return new Response('Go and get PHP 8!');
    
    
    }
    
    
    }
    
    
    Symfony 5.2
    # services.yaml
    
    
    App\Controller\Symfony52Controller:
    
    
    tags: ['controller.service_arguments']
    
    
    Symfony 5.2
    

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17. #[AsController]
    #[AsController]
    
    
    final class Symfony53Controller
    
    
    {
    
    
    #[Route('/symfony52', name: 'symfony52', methods: ['GET'])]
    
    
    public function __invoke(UserRepository $userRepository): Response
    
    
    {
    
    
    return new Response('Symfony 💖 PHP 8!');
    
    
    }
    
    
    }
    
    
    Symfony 5.3
    # services.yaml
    
    
    App\Controller\Symfony52Controller:
    
    
    tags: ['controller.service_arguments']
    
    
    Symfony 5.3
    

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18. Event Listeners/Subscribers
    final class Symfony52Listener implements EventSubscriberInterface
    
    
    {
    
    
    public static function getSubscribedEvents()
    
    
    {
    
    
    return [
    
    
    CustomEvent::class => [
    
    
    ['onCustomEvent', 10],
    
    
    ],
    
    
    ];
    
    
    }
    
    
    public function onCustomEvent(CustomEvent $event): void
    
    
    {
    
    
    $event->messages[] = 'Greetings from Symfony52Listener 👋';
    
    
    }
    
    
    }
    
    
    Symfony 5.2
    

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19. #[AsEventListener]
    #[AsEventListener(
    
    
    event: CustomEvent::class,
    
    
    method: 'onCustomEvent',
    
    
    priority: 10
    
    
    )]
    
    
    final class Symfony53Listener
    
    
    {
    
    
    public function onCustomEvent(CustomEvent $event): void
    
    
    {
    
    
    $event->messages[] = 'Greetings from Symfony53Listener 👋';
    
    
    }
    
    
    }
    
    
    Symfony 5.3
    

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20. Commands
    final class Symfony52Command extends Command
    
    
    {
    
    
    protected static $defaultName = 'app:symfony52';
    
    
    protected static $defaultDescription = 'an awesome description';
    
    
    protected function configure()
    
    
    {
    
    
    $this
    
    
    ->setAliases(['symfony52'])
    
    
    ->setHidden(false);
    
    
    }
    
    
    protected function execute(InputInterface $input, OutputInterface $output)
    
    
    {
    
    
    (new SymfonyStyle($input, $output))->text('Go and get PHP 8!');
    
    
    
    
    return 0;
    
    
    }
    
    
    }
    
    
    Symfony 5.2
    

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21. #[AsCommand]
    #[AsCommand(
    
    
    name: 'app:symfony53',
    
    
    description: 'an awesome description',
    
    
    aliases: ['symfony53'],
    
    
    hidden: false
    
    
    )]
    
    
    final class Symfony53Command extends Command
    
    
    {
    
    
    protected function execute(InputInterface $input, OutputInterface $output)
    
    
    {
    
    
    (new SymfonyStyle($input, $output))->text('Symfony 💖 PHP 8!');
    
    
    return 0;
    
    
    }
    
    
    }
    
    
    Symfony 5.3
    

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22. #[When]
    #[When(env: 'dev')]
    
    
    #[AsCommand(name: 'app:when-dev')]
    
    
    final class WhenDevCommand extends Command
    
    
    {
    
    
    protected function execute(InputInterface $input, OutputInterface $output)
    
    
    {
    
    
    (new SymfonyStyle($input, $output))
    
    
    ->text(‘Symfony 💖 PHP 8, but for now only in dev environment!');
    
    
    return 0;
    
    
    }
    
    
    }
    
    
    Symfony 5.3
    

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23. Autocon
    fi
    gure services via Attributes
    services:
    
    
    _defaults:
    
    
    autoconfigure: true # Automatically registers your services
    
    
    # as commands, event subscribers, etc.
    
    
    Symfony 5.2
    

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24. Autocon
    fi
    gure services via Attributes
    services:
    
    
    _defaults:
    
    
    autoconfigure: true # Automatically registers your services
    
    
    # as commands, event subscribers, etc.
    
    
    Symfony 5.2
    services:
    
    
    _instanceof:
    
    
    App\Security\CustomInterface:
    
    
    tags: ['app.custom_tag']
    
    
    

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25. Autocon
    fi
    gure services via Attributes
    services:
    
    
    _defaults:
    
    
    autoconfigure: true # Automatically registers your services
    
    
    # as commands, event subscribers, etc.
    
    
    Symfony 5.2
    services:
    
    
    _instanceof:
    
    
    App\Security\CustomInterface:
    
    
    tags: ['app.custom_tag']
    
    
    // src/Kernel.php
    
    
    class Kernel extends BaseKernel
    
    
    {
    
    
    // ...
    
    
    protected function build(ContainerBuilder $container): void
    
    
    {
    
    
    $container->registerForAutoconfiguration(CustomInterface::class)
    
    
    ->addTag('app.custom_tag')
    
    
    ;
    
    
    }
    
    
    }
    
    
    

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26. Autocon
    fi
    gure services via Attributes
    services:
    
    
    _defaults:
    
    
    autoconfigure: true # Automatically registers your services
    
    
    # as commands, event subscribers, etc.
    
    
    Symfony 5.2
    services:
    
    
    _instanceof:
    
    
    App\Security\CustomInterface:
    
    
    tags: ['app.custom_tag']
    
    
    // src/Kernel.php
    
    
    class Kernel extends BaseKernel
    
    
    {
    
    
    // ...
    
    
    protected function build(ContainerBuilder $container): void
    
    
    {
    
    
    $container->registerForAutoconfiguration(CustomInterface::class)
    
    
    ->addTag('app.custom_tag')
    
    
    ;
    
    
    }
    
    
    }
    
    
    // src/DependencyInjection/MyBundleExtension.php
    
    
    class MyBundleExtension extends Extension
    
    
    {
    
    
    // ...
    
    
    public function load(array $configs, ContainerBuilder $container): void
    
    
    {
    
    
    $container->registerForAutoconfiguration(CustomInterface::class)
    
    
    ->addTag('app.custom_tag')
    
    
    ;
    
    
    }
    
    
    }
    
    
    

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27. #[Autocon
    fi
    gure]
    Symfony 5.3
    use Symfony\Component\DependencyInjection\Attribute\Autoconfigure;
    
    
    #[Autoconfigure(tags: ['app.loader'])]
    
    
    interface LoaderInterface
    
    
    {
    
    
    public function supports(string $type): bool;
    
    
    public function load();
    
    
    }
    
    
    

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28. #[Autocon
    fi
    gure]
    Symfony 5.3
    use Symfony\Component\DependencyInjection\Attribute\Autoconfigure;
    
    
    #[Autoconfigure(tags: ['app.loader'])]
    
    
    interface LoaderInterface
    
    
    {
    
    
    public function supports(string $type): bool;
    
    
    public function load();
    
    
    }
    
    
    namespace Symfony\Component\DependencyInjection\Attribute;
    
    
    #[\Attribute(\Attribute::TARGET_CLASS | \Attribute::IS_REPEATABLE)]
    
    
    class Autoconfigure
    
    
    {
    
    
    public function __construct(
    
    
    public ?array $tags = null,
    
    
    public ?array $calls = null,
    
    
    public ?array $bind = null,
    
    
    public bool|string|null $lazy = null,
    
    
    public ?bool $public = null,
    
    
    public ?bool $shared = null,
    
    
    public ?bool $autowire = null,
    
    
    public ?array $properties = null,
    
    
    public array|string|null $configurator = null,
    
    
    ) {
    
    
    }
    
    
    }
    
    
    

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29. #[Autocon
    fi
    gureTag]
    Symfony 5.3
    namespace App\Loader;
    
    
    use Symfony\Component\DependencyInjection\Attribute\AutoconfigureTag;
    
    
    #[AutoconfigureTag('app.loader')]
    
    
    #[AutoconfigureTag()] # tag name => App\Loader\LoaderInterface
    
    
    interface LoaderInterface
    
    
    {
    
    
    public function supports(string $type): bool;
    
    
    public function load();
    
    
    }
    
    
    

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30. Use tagged services
    use Symfony\Component\DependencyInjection\Attribute\TaggedIterator;
    
    
    final class LoaderIterator
    
    
    {
    
    
    public function __construct(
    
    
    #[TaggedIterator('app.loader')]
    
    
    private iterable $loaders,
    
    
    ) {
    
    
    }
    
    
    }
    
    
    Symfony 5.3
    

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31. Use tagged services
    use Symfony\Component\DependencyInjection\Attribute\TaggedIterator;
    
    
    final class LoaderIterator
    
    
    {
    
    
    public function __construct(
    
    
    #[TaggedIterator('app.loader')]
    
    
    private iterable $loaders,
    
    
    ) {
    
    
    }
    
    
    }
    
    
    use Symfony\Component\DependencyInjection\Attribute\AsTaggedItem;
    
    
    #[AsTaggedItem(index: 'yaml_loader', priority: 10)]
    
    
    final class YamlLoader implements LoaderInterface
    
    
    {
    
    
    public function supports(string $type): bool { ... }
    
    
    public function load() { ... }
    
    
    }
    
    
    Symfony 5.3
    

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32. Use tagged services
    use Symfony\Component\DependencyInjection\Attribute\TaggedIterator;
    
    
    final class LoaderIterator
    
    
    {
    
    
    public function __construct(
    
    
    #[TaggedIterator('app.loader')]
    
    
    private iterable $loaders,
    
    
    ) {
    
    
    }
    
    
    }
    
    
    use Symfony\Component\DependencyInjection\Attribute\AsTaggedItem;
    
    
    #[AsTaggedItem(index: 'xml_loader', priority: 20)]
    
    
    final class XmlLoader implements LoaderInterface
    
    
    {
    
    
    public function supports(string $type): bool { ... }
    
    
    public function load() { ... }
    
    
    }
    
    
    use Symfony\Component\DependencyInjection\Attribute\AsTaggedItem;
    
    
    #[AsTaggedItem(index: 'yaml_loader', priority: 10)]
    
    
    final class YamlLoader implements LoaderInterface
    
    
    {
    
    
    public function supports(string $type): bool { ... }
    
    
    public function load() { ... }
    
    
    }
    
    
    Symfony 5.3
    

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33. Use tagged services
    use Symfony\Component\DependencyInjection\Attribute\TaggedIterator;
    
    
    final class LoaderIterator
    
    
    {
    
    
    public function __construct(
    
    
    #[TaggedIterator('app.loader')]
    
    
    private iterable $loaders,
    
    
    ) {
    
    
    }
    
    
    }
    
    
    use Symfony\Component\DependencyInjection\Attribute\AsTaggedItem;
    
    
    #[AsTaggedItem(index: 'xml_loader', priority: 20)]
    
    
    final class XmlLoader implements LoaderInterface
    
    
    {
    
    
    public function supports(string $type): bool { ... }
    
    
    public function load() { ... }
    
    
    }
    
    
    use Symfony\Component\DependencyInjection\Attribute\AsTaggedItem;
    
    
    #[AsTaggedItem(index: 'yaml_loader', priority: 10)]
    
    
    final class YamlLoader implements LoaderInterface
    
    
    {
    
    
    public function supports(string $type): bool { ... }
    
    
    public function load() { ... }
    
    
    }
    
    
    use Symfony\Component\DependencyInjection\Attribute\TaggedIterator;
    
    
    final class LoaderIterator
    
    
    {
    
    
    public function __construct(
    
    
    #[TaggedIterator('app.loader')]
    
    
    private iterable $loaders,
    
    
    ) {
    
    
    }
    
    
    }
    
    
    Symfony 5.3
    

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34. Use tagged services
    use Symfony\Component\DependencyInjection\Attribute\TaggedIterator;
    
    
    final class LoaderIterator
    
    
    {
    
    
    public function __construct(
    
    
    #[TaggedIterator('app.loader')]
    
    
    private iterable $loaders,
    
    
    ) {
    
    
    }
    
    
    }
    
    
    use Symfony\Component\DependencyInjection\Attribute\AsTaggedItem;
    
    
    #[AsTaggedItem(index: 'xml_loader', priority: 20)]
    
    
    final class XmlLoader implements LoaderInterface
    
    
    {
    
    
    public function supports(string $type): bool { ... }
    
    
    public function load() { ... }
    
    
    }
    
    
    use Symfony\Component\DependencyInjection\Attribute\AsTaggedItem;
    
    
    #[AsTaggedItem(index: 'yaml_loader', priority: 10)]
    
    
    final class YamlLoader implements LoaderInterface
    
    
    {
    
    
    public function supports(string $type): bool { ... }
    
    
    public function load() { ... }
    
    
    }
    
    
    use Symfony\Component\DependencyInjection\Attribute\TaggedIterator;
    
    
    final class LoaderIterator
    
    
    {
    
    
    public function __construct(
    
    
    #[TaggedIterator('app.loader')]
    
    
    private iterable $loaders,
    
    
    ) {
    
    
    }
    
    
    }
    
    
    use Symfony\Component\DependencyInjection\Attribute\TaggedLocator;
    
    
    final class LoaderLocator
    
    
    {
    
    
    public function __construct(
    
    
    #[TaggedLocator('app.loader')]
    
    
    private ContainerInterface $container,
    
    
    ) {
    
    
    $yamlLoader = $container->get('yaml_loader');
    
    
    $xmlLoader = $container->get('xml_loader');
    
    
    }
    
    
    }
    
    
    Symfony 5.3
    

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35. Add support for sorting
    fi
    elds
    Form
    

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36. Add support for sorting
    fi
    elds
    Form
    class PersonRegistrationType extends AbstractType
    
    
    {
    
    
    public function buildForm(FormBuilderInterface $builder, array $options)
    
    
    {
    
    
    $builder
    
    
    ->add('firstName')
    
    
    ->add('lastName')
    
    
    ->add(‘register', SubmitType::class);
    
    
    $builder->addEventListener(FormEvents::PRE_SET_DATA, function (FormEvent $event) {
    
    
    $person = $event->getData();
    
    
    if ($person->isLegalType()) {
    
    
    $event->getForm()->add('company');
    
    
    }
    
    
    });
    
    
    }
    
    
    }
    
    
    

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37. Add support for sorting
    fi
    elds
    Form
    class PersonRegistrationType extends AbstractType
    
    
    {
    
    
    public function buildForm(FormBuilderInterface $builder, array $options)
    
    
    {
    
    
    $builder
    
    
    ->add('firstName')
    
    
    ->add('lastName')
    
    
    ->add(‘register', SubmitType::class);
    
    
    $builder->addEventListener(FormEvents::PRE_SET_DATA, function (FormEvent $event) {
    
    
    $person = $event->getData();
    
    
    if ($person->isLegalType()) {
    
    
    $event->getForm()->add('company');
    
    
    }
    
    
    });
    
    
    }
    
    
    }
    
    
    
    
    
    
    
    
    Register {# wrong place #}
    
    
    {# wrong place #}
    
    
    

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38. class PersonRegistrationType extends AbstractType
    
    
    {
    
    
    public function buildForm(FormBuilderInterface $builder, array $options)
    
    
    {
    
    
    $builder
    
    
    ->add('firstName')
    
    
    ->add('lastName')
    
    
    ->add(‘register', SubmitType::class, ['priority' => -1/*, ... */]);
    
    
    $builder->addEventListener(FormEvents::PRE_SET_DATA, function (FormEvent $event) {
    
    
    $person = $event->getData();
    
    
    if ($person->isLegalType()) {
    
    
    $event->getForm()->add('company', null, ['priority' => 1]);
    
    
    }
    
    
    });
    
    
    }
    
    
    }
    
    
    Add support for sorting
    fi
    elds
    Form
    

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39. Noti
    fi
    er Component
    Symfony 5.3
    

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40. Noti
    fi
    er Component
    Symfony 5.3
    not experimental anymore
    

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41. New Noti
    fi
    er integrations
    Noti
    fi
    er
    Texter
    Chatter
    

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42. FakeSms & FakeChat
    Noti
    fi
    er
    # .env
    
    
    FAKE_SMS_DSN=fakesms+email://default?to=TO&from=FROM
    
    
    FAKE_CHAT_DSN=fakechat+email://default?to=TO&from=FROM
    
    
    # config/packages/dev/notifier.yaml
    
    
    framework:
    
    
    notifier:
    
    
    chatter_transports:
    
    
    slack: '%env(FAKE_CHAT_DSN)%'
    
    
    telegram: '%env(FAKE_CHAT_DSN)%'
    
    
    texter_transports:
    
    
    twilio: '%env(FAKE_SMS_DSN)%'
    
    
    nexmo: '%env(FAKE_SMS_DSN)%'
    
    
    

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43. (de)normalization context in mapping
    Serializer
    use Symfony\Component\Serializer\Annotation as Serializer;
    
    
    use Symfony\Component\Serializer\Normalizer\DateTimeNormalizer;
    
    
    class Foo
    
    
    {
    
    
    /**
    
    
    * @Serializer\Context({ DateTimeNormalizer::FORMAT_KEY = 'Y-m-d' })
    
    
    */
    
    
    public \DateTime $date;
    
    
    // In PHP 8 applications you can use PHP attributes instead:
    
    
    #[Serializer\Context([DateTimeNormalizer::FORMAT_KEY => 'Y-m-d'])]
    
    
    public \DateTime $anotherDate;
    
    
    }
    
    
    

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44. (de)normalization context in mapping
    Serializer
    #[Serializer\Context(
    
    
    normalizationContext: [DateTimeNormalizer::FORMAT_KEY => 'Y-m-d'],
    
    
    denormalizationContext: [DateTimeNormalizer::FORMAT_KEY => \DateTimeImmutable::COOKIE]
    
    
    )]
    
    
    public \DateTime $date;
    
    
    #[Serializer\Context(
    
    
    normalizationContext: [DateTimeNormalizer::FORMAT_KEY => \DateTimeImmutable::RFC3339],
    
    
    groups: ['extended']
    
    
    )]
    
    
    public \DateTime $date;
    
    
    

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45. New Tailwind CSS form theme
    TwigBridge
    # twig.yaml
    
    
    twig:
    
    
    form_themes:
    
    
    - tailwind_2_layout.html.twig
    
    
    

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46. Export concatenated translations
    {{ ('aa' ~ 'bb') | trans }}
    
    
    TwigBridge
    php bin/console translation:update --dump-messages de
    
    
    

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47. Twig serialize
    fi
    lter
    {{ object|serialize(format = 'json', context = []) }}
    
    
    TwigBridge
    

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48. Twig serialize
    fi
    lter
    {{ object|serialize(format = 'json', context = []) }}
    
    
    TwigBridge
    {{ stimulus_controller('product-show', {
    
    
    product: product|serialize('json', { groups: 'product:read'})
    
    
    }) }}
    
    
    

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49. PHP Con
    fi
    guration Builder
    Con
    fi
    g
    
    
    

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50. PHP Con
    fi
    guration Builder
    Con
    fi
    g
    
    
    

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51. Removing Directories without Race Conditions
    Filesystem
    
    
    

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52. No-Lock Rate Limiters
    RateLimiter
    
    
    

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53. A Quick Security Recap
    

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54. New Authentication System (since 5.1)
    • Remove everything but Guard.
    
    • Use an event-driven system (like HttpKernel).
    
    • Guards are now called Authenticators, and are a bit di
    ff
    erent.
    
    • Unauthenticated Tokens are now Passports, and are also a bit
    di
    ff
    erent.
    

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55. Mandatory Passport Badges
    Security
    
    
    

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56. bin/console debug:
    fi
    rewall
    Security
    
    
    

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57. bin/console debug:
    fi
    rewall
    Security
    
    
    

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58. Generate Login Link with User Locale
    Security
    
    
    

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59. Mask CSRF Token against BREACH
    Security
    
    
    

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60. UID Component (experimental)
    
    
    🎉
    

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61. New UID Factory Methods UID
    
    
    

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62. Generate UIDs via CLI UID
    
    
    

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63. Generate UIDs via CLI UID
    
    
    

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64. UUID & ULID Form Types
    Form / UID
    
    
    

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65. New UID Normalization Formats
    Serializer / UID
    
    
    

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66. Support binary / negatable options
    Contributed by jderusse in #39642
    Console
    class SomeCommand extends Comman
    }
    
    
    

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67. Support binary / negatable options
    Contributed by jderusse in #39642
    Console
    class SomeCommand extends Comman
    d
    
    {
    
    // ...
    protected function execute(InputInterface $input, OutputInterface $output): in
    t
    
    {
    
    // if command is run as `command-name`, $useAnsi = nul
    l
    
    // if command is run as `command-name --ansi`, $useAnsi = tru
    e
    
    // if command is run as `command-name --no-ansi`, $useAnsi = fals
    e
    
    $useAnsi = $input->getOption('ansi')
    ;
    
    // ..
    .
    
    }
    
    }
    

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68. Linter: add Github annotations format for errors
    Contributed by ogizanagi in #38982
    Console
    

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69. Linter: add Github annotations format for errors
    Contributed by ogizanagi in #38982
    Console
    

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70. Linter: add Github annotations format for errors
    Contributed by ogizanagi in #38982
    Console
    

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71. Add a remove() method to the PHP con
    fi
    gurator
    Contributed by dunglas in #39806
    DependencyInjection
    
    
    // config/services.ph
    p
    
    namespace Symfony\Component\DependencyInjection\Loader\Configurator
    ;
    
    use App\Service\FooService
    ;
    
    return function(ContainerConfigurator $configurator)
    {
    
    // ..
    .
    
    $services->remove(FooService::class)
    ;
    
    };
    

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72. Add env() and EnvCon
    fi
    gurator in the PHP-DSL
    Contributed by fancyweb in #40682
    DependencyInjection
    
    
    // config/services.ph
    p
    
    namespace Symfony\Component\DependencyInjection\Loader\Configurator
    ;
    
    use App\Service\FooService
    ;
    
    use App\Service\BarService
    ;
    
    return function(ContainerConfigurator $configurator)
    {
    
    // ..
    .
    
    $services->set(FooService::class
    )
    
    ->arg('$myArg', '%env(default:my_param:key:path:url:MY_ENV_VAR)%'
    )
    
    ;
    
    $services->set(BarService::class
    )
    
    ->arg
    (
    
    '$myArg'
    ,
    
    env('MY_ENV_VAR'
    )
    
    ->url(
    )
    
    ->key('path'
    )
    
    ->default('my_param'
    )
    
    )
    
    ;
    
    };
    

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73. Negated (not:) env var processor
    Contributed by bpolaszek in #40169
    DependencyInjection
    
    
    # .en
    v
    
    TRUE_ENV_VAR=tru
    e
    
    FALSE_ENV_VAR=false
    # config/services.yam
    l
    
    parameters
    :
    
    is_processed_as_false: ‘%env(not:TRUE_ENV_VAR)%
    ’
    
    is_processed_as_true: ‘%env(not:FALSE_ENV_VAR)%’
    

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74. New Form Handler Helper "renderForm"
    Contributed by lyrixx and nicolas-grekas in #41178 and #41190
    FrameworkBundle
    
    
    use Symfony\Bundle\FrameworkBundle\Controller\AbstractController
    ;
    
    class TaskController extends AbstractControlle
    r
    
    {
    
    public function new(Request $request): Respons
    e
    
    {
    
    $form = $this->createForm(TaskType::class
    )
    
    ->handleRequest($request
    )
    
    ;
    
    $response = $this->render('task/new.html.twig',
    [
    
    'form' => $form->createView()
    ,
    
    'other_variable' => 'foo'
    ,
    
    ])
    ;
    
    if ($form->isSubmitted() && !$form->isValid())
    {
    
    $response->setStatusCode(Response::HTTP_UNPROCESSABLE_ENTITY)
    ;
    
    }
    
    return $response
    ;
    
    }
    
    }
    

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75. New Form Handler Helper "renderForm"
    Contributed by lyrixx and nicolas-grekas in #41178 and #41190
    FrameworkBundle
    
    
    use Symfony\Bundle\FrameworkBundle\Controller\AbstractController
    ;
    
    class TaskController extends AbstractControlle
    r
    
    {
    
    public function new(Request $request): Respons
    e
    
    {
    
    $form = $this->createForm(TaskType::class
    )
    
    ->handleRequest($request
    )
    
    ;
    
    return $this->renderForm('task/new.html.twig',
    [
    
    'form' => $form
    ,
    
    'other_variable' => 'foo'
    ,
    
    ])
    ;
    
    }
    
    }
    

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76. Command cache:pool:clear warns and fails when
    one of the pools fails to clear
    Contributed by jderusse in #39910
    FrameworkBundle
    
    
    Symfony <=5.2
    Symfony >=5.3
    Return code: 0
    Return code: 1
    

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77. Con
    fi
    gure Multiple Environments in a Single File
    Contributed by nicolas-grekas in #40214 and #40782
    FrameworkBundle
    
    
    

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78. Con
    fi
    gure Multiple Environments in a Single File
    Contributed by nicolas-grekas in #40214 and #40782
    FrameworkBundle
    
    
    // config/packages/framework.ph
    l
    
    framework:
    secret: '%env(APP_SECRET)%'
    when@dev:
    services:
    App\SomeServiceForDev: ~
    when@test:
    framework:
    test: true
    # ...
    

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79. Con
    fi
    gure Multiple Environments in a Single File
    Contributed by nicolas-grekas in #40214 and #40782
    FrameworkBundle
    
    
    // config/packages/framework.ph
    >
    
    >
    
    >
    
    >
    
    >
    
    >
    
    >
    
    >
    
    >
    
    >
    
    >
    
    >
    
    
    

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80. Con
    fi
    gure Multiple Environments in a Single File
    Contributed by nicolas-grekas in #40214 and #40782
    FrameworkBundle
    
    
    # config/packages/framework.yam
    p
    
    namespace Symfony\Component\DependencyInjection\Loader\Configurator
    ;
    
    use App\SomeServiceForDev
    ;
    
    use Symfony\Config\FrameworkConfig
    ;
    
    return static function (FrameworkConfig $framework, ContainerConfigurator $container)
    {
    
    $framework->secret(env('APP_SECRET'))
    ;
    
    if ($container->env() === 'dev')
    {
    
    $container->services(
    )
    
    ->set(SomeServiceForDev::class
    )
    
    ;
    
    }
    
    if ($container->env() === 'test')
    {
    
    $framework->test(true)
    ;
    
    }
    
    // ..
    .
    
    };
    

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81. Add SYMFONY_PHPUNIT_REQUIRE env variable
    Contributed by acasademont in #40059
    PhpUnitBridge
    
    
    >
    
    >
    
    

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82. Add SYMFONY_PHPUNIT_REQUIRE env variable
    Contributed by acasademont in #40059
    PhpUnitBridge
    
    
    >
    
    >
    
    

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83. Add SYMFONY_PHPUNIT_REQUIRE env variable
    Contributed by acasademont in #40059
    PhpUnitBridge
    
    
    >
    
    >
    
    

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84. class BooksTest extends WebTestCas
    e
    
    {
    
    public function testGetCollection(): voi
    d
    
    {
    
    static::createClient()->request('GET', '/books')
    ;
    
    $this->assertResponseFormatSame('jsonld')
    ;
    
    }
    
    }
    
    // Predefined formats see \Symfony\Component\HttpFoundation\Request::initializeFormats()
    add assertResponseFormatSame()
    Contributed by dunglas in #39666
    FrameworkBundle
    
    
    

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85. class FooTest extends WebTestCas
    e
    
    {
    
    public function testGetContainerA(): void
    {
    
    $kernel = self::bootKernel()
    ;
    
    $container = $kernel->getContainer()
    ;
    
    }
    
    public function testGetContainerB(): void
    {
    
    self::bootKernel()
    ;
    
    $container = self::$container; // @deprecated since Symfony 5.3, use static::getContainer() instea
    d
    
    }
    
    public function testGetContainerC(): void
    {
    
    $client = self::createClient()
    ;
    
    $container = $client->getContainer()
    ;
    
    }
    
    public function testGetContainerTheOnlyWayYouShouldUse(): void
    {
    
    $container = self::getContainer()
    ;
    
    }
    
    Add KernelTestCase::getContainer()
    Contributed by Nyholm in #40366
    FrameworkBundle
    
    
    

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86. There is even more 😱
    https://symfony.com/blog/category/living-on-the-edge/5.3
    https://github.com/symfony/symfony/blob/5.x/CHANGELOG-5.3.md
    https://github.com/symfony/symfony/blob/5.x/UPGRADE-5.3.md
    

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87. New Components
    

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88. Questions?
    

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89. Thank you!
    

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