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UPGRADE FROM 4.x to 5.0

BrowserKit

  • Removed Client, use AbstractBrowser instead
  • Removed the possibility to extend Response by making it final.
  • Removed Response::buildHeader()
  • Removed Response::getStatus(), use Response::getStatusCode() instead
  • The Client::submit() method has a new $serverParameters argument.

Cache

  • Removed CacheItem::getPreviousTags(), use CacheItem::getMetadata() instead.
  • Removed all PSR-16 adapters, use Psr16Cache or Symfony\Contracts\Cache\CacheInterface implementations instead.
  • Removed SimpleCacheAdapter, use Psr16Adapter instead.

Config

  • Dropped support for constructing a TreeBuilder without passing root node information.
  • Added the getChildNodeDefinitions() method to ParentNodeDefinitionInterface.
  • The Processor class has been made final
  • Removed FileLoaderLoadException, use LoaderLoadException instead.
  • Using environment variables with cannotBeEmpty() if the value is validated with validate() will throw an exception.
  • Removed the root() method in TreeBuilder, pass the root node information to the constructor instead

Console

  • Removed the setCrossingChar() method in favor of the setDefaultCrossingChar() method in TableStyle.

  • Removed the setHorizontalBorderChar() method in favor of the setDefaultCrossingChars() method in TableStyle.

  • Removed the getHorizontalBorderChar() method in favor of the getBorderChars() method in TableStyle.

  • Removed the setVerticalBorderChar() method in favor of the setVerticalBorderChars() method in TableStyle.

  • Removed the getVerticalBorderChar() method in favor of the getBorderChars() method in TableStyle.

  • The ProcessHelper::run() method takes the command as an array of arguments.

    Before:

    $processHelper->run($output, 'ls -l');

    After:

    $processHelper->run($output, array('ls', '-l'));
    
    // alternatively, when a shell wrapper is required
    $processHelper->run($output, Process::fromShellCommandline('ls -l'));

DependencyInjection

  • Removed the TypedReference::canBeAutoregistered() and TypedReference::getRequiringClass() methods.
  • Removed support for auto-discovered extension configuration class which does not implement ConfigurationInterface.

DoctrineBridge

  • Deprecated injecting ClassMetadataFactory in DoctrineExtractor, an instance of EntityManagerInterface should be injected instead
  • Passing an IdReader to the DoctrineChoiceLoader when the query cannot be optimized with single id field will throw an exception, pass null instead
  • Not passing an IdReader to the DoctrineChoiceLoader when the query can be optimized with single id field will throw an exception

DomCrawler

  • The Crawler::children() method has a new $selector argument.

Dotenv

  • First parameter $usePutenv of Dotenv::__construct() now default to false.

EventDispatcher

  • The TraceableEventDispatcherInterface has been removed.
  • The signature of the EventDispatcherInterface::dispatch() method has been updated to dispatch($event, string $eventName = null)
  • The Event class has been removed, use Symfony\Contracts\EventDispatcher\Event instead

DependencyInjection

  • Removed support for non-string default env() parameters

    Before:

    parameters:
        env(NAME): 1.5

    After:

    parameters:
           env(NAME): '1.5'

Filesystem

  • The Filesystem::dumpFile() method no longer supports arrays in the $content argument.
  • The Filesystem::appendToFile() method no longer supports arrays in the $content argument.

Finder

  • The Finder::sortByName() method has a new $useNaturalSort argument.

Form

  • Removed support for using the format option of DateType and DateTimeType when the html5 option is enabled.

  • Using names for buttons that do not start with a letter, a digit, or an underscore leads to an exception.

  • Using names for buttons that do not contain only letters, digits, underscores, hyphens, and colons leads to an exception.

  • Using the date_format, date_widget, and time_widget options of the DateTimeType when the widget option is set to single_text is not supported anymore.

  • The getExtendedType() method was removed from the FormTypeExtensionInterface. It is replaced by the the static getExtendedTypes() method which must return an iterable of extended types.

    Before:

    class FooTypeExtension extends AbstractTypeExtension
    {
        public function getExtendedType()
        {
            return FormType::class;
        }
    
        // ...
    }

    After:

    class FooTypeExtension extends AbstractTypeExtension
    {
        public static function getExtendedTypes(): iterable
        {
            return array(FormType::class);
        }
    
        // ...
    }
  • The scale option was removed from the IntegerType.

  • The $scale argument of the IntegerToLocalizedStringTransformer was removed.

  • Calling FormRenderer::searchAndRenderBlock for fields which were already rendered throws an exception instead of returning empty strings:

    Before:

    {% for field in fieldsWithPotentialDuplicates %}
       {{ form_widget(field) }}
    {% endfor %}

    After:

    {% for field in fieldsWithPotentialDuplicates if not field.rendered %}
       {{ form_widget(field) }}
    {% endfor %}
  • The regions option was removed from the TimezoneType.

FrameworkBundle

  • The project dir argument of the constructor of AssetsInstallCommand is required.

  • Removed support for bundle:controller:action syntax to reference controllers. Use serviceOrFqcn::method instead where serviceOrFqcn is either the service ID when using controllers as services or the FQCN of the controller.

    Before:

    bundle_controller:
        path: /
        defaults:
            _controller: FrameworkBundle:Redirect:redirect

    After:

    bundle_controller:
        path: /
        defaults:
            _controller: Symfony\Bundle\FrameworkBundle\Controller\RedirectController::redirectAction
  • Removed Symfony\Bundle\FrameworkBundle\Controller\ControllerNameParser.

  • Warming up a router in RouterCacheWarmer that does not implement the WarmableInterface is not supported anymore.

  • The RequestDataCollector class has been removed. Use the Symfony\Component\HttpKernel\DataCollector\RequestDataCollector class instead.

  • Removed Symfony\Bundle\FrameworkBundle\Controller\Controller. Use Symfony\Bundle\FrameworkBundle\Controller\AbstractController instead.

  • Added support for the SameSite attribute for session cookies. It is highly recommended to set this setting (framework.session.cookie_samesite) to lax for increased security against CSRF attacks.

  • The ContainerAwareCommand class has been removed, use Symfony\Component\Console\Command\Command with dependency injection instead.

  • The Templating\Helper\TranslatorHelper::transChoice() method has been removed, use the trans() one instead with a %count% parameter.

  • Removed support for legacy translations directories src/Resources/translations/ and src/Resources/<BundleName>/translations/, use translations/ instead.

  • Support for the legacy directory structure in translation:update and debug:translation commands has been removed.

  • Removed the "Psr\SimpleCache\CacheInterface" / "cache.app.simple" service, use "Symfony\Contracts\Cache\CacheInterface" / "cache.app" instead.

HttpFoundation

  • The $size argument of the UploadedFile constructor has been removed.
  • The getClientSize() method of the UploadedFile class has been removed.
  • The getSession() method of the Request class throws an exception when session is null.
  • The default value of the "$secure" and "$samesite" arguments of Cookie's constructor changed respectively from "false" to "null" and from "null" to "lax".
  • The MimeTypeGuesserInterface and ExtensionGuesserInterface interfaces have been removed, use Symfony\Component\Mime\MimeTypesInterface instead.
  • The MimeType and MimeTypeExtensionGuesser classes have been removed, use Symfony\Component\Mime\MimeTypes instead.
  • The FileBinaryMimeTypeGuesser class has been removed, use Symfony\Component\Mime\FileBinaryMimeTypeGuesser instead.
  • The FileinfoMimeTypeGuesser class has been removed, use Symfony\Component\Mime\FileinfoMimeTypeGuesser instead.

HttpKernel

  • Removed Client, use HttpKernelBrowser instead
  • The Kernel::getRootDir() and the kernel.root_dir parameter have been removed
  • The KernelInterface::getName() and the kernel.name parameter have been removed
  • Removed the first and second constructor argument of ConfigDataCollector
  • Removed ConfigDataCollector::getApplicationName()
  • Removed ConfigDataCollector::getApplicationVersion()
  • Removed FilterControllerArgumentsEvent, use ControllerArgumentsEvent instead
  • Removed FilterControllerEvent, use ControllerEvent instead
  • Removed FilterResponseEvent, use ResponseEvent instead
  • Removed GetResponseEvent, use RequestEvent instead
  • Removed GetResponseForControllerResultEvent, use ViewEvent instead
  • Removed GetResponseForExceptionEvent, use ExceptionEvent instead
  • Removed PostResponseEvent, use TerminateEvent instead
  • Removed TranslatorListener in favor of LocaleAwareListener

Intl

  • Removed ResourceBundle namespace
  • Removed Intl::getLanguageBundle(), use Languages or Scripts instead
  • Removed Intl::getCurrencyBundle(), use Currencies instead
  • Removed Intl::getLocaleBundle(), use Locales instead
  • Removed Intl::getRegionBundle(), use Regions instead

Messenger

  • The LoggingMiddleware class has been removed, pass a logger to SendMessageMiddleware instead.

Monolog

  • The methods DebugProcessor::getLogs(), DebugProcessor::countErrors(), Logger::getLogs() and Logger::countErrors() have a new $request argument.

Process

  • Removed the Process::setCommandline() and the PhpProcess::setPhpBinary() methods.

  • Commands must be defined as arrays when creating a Process instance.

    Before:

    $process = new Process('ls -l');

    After:

    $process = new Process(array('ls', '-l'));
    
    // alternatively, when a shell wrapper is required
    $process = Process::fromShellCommandline('ls -l');

Routing

  • The generator_base_class, generator_cache_class, matcher_base_class, and matcher_cache_class router options have been removed.
  • Route and CompiledRoute don't implement Serializable anymore; if you serialize them, please ensure your unserialization logic can recover from a failure related to an updated serialization format

Security

  • The Role and SwitchUserRole classes have been removed.

  • The getReachableRoles() method of the RoleHierarchy class has been removed. It has been replaced by the new getReachableRoleNames() method.

  • The getRoles() method has been removed from the TokenInterface. It has been replaced by the new getRoleNames() method.

  • The ContextListener::setLogoutOnUserChange() method has been removed.

  • The Symfony\Component\Security\Core\User\AdvancedUserInterface has been removed.

  • The ExpressionVoter::addExpressionLanguageProvider() method has been removed.

  • The FirewallMapInterface::getListeners() method must return an array of 3 elements, the 3rd one must be either a LogoutListener instance or null.

  • The AuthenticationTrustResolver constructor arguments have been removed.

  • A user object that is not an instance of UserInterface cannot be accessed from Security::getUser() anymore and returns null instead.

  • SimpleAuthenticatorInterface, SimpleFormAuthenticatorInterface, SimplePreAuthenticatorInterface, SimpleAuthenticationProvider, SimpleAuthenticationHandler, SimpleFormAuthenticationListener and SimplePreAuthenticationListener have been removed. Use Guard instead.

  • The ListenerInterface has been removed, turn your listeners into callables instead.

  • The Firewall::handleRequest() method has been removed, use Firewall::callListeners() instead.

  • \Serializable interface has been removed from AbstractToken and AuthenticationException, thus serialize() and unserialize() aren't available. Use __serialize() and __unserialize() instead.

    Before:

    public function serialize()
    {
        return [$this->myLocalVar, parent::serialize()];
    }
    
    public function unserialize($serialized)
    {
        [$this->myLocalVar, $parentSerialized] = unserialize($serialized);
        parent::unserialize($parentSerialized);
    }

    After:

    public function __serialize(): array
    {
        return [$this->myLocalVar, parent::__serialize()];
    }
    
    public function __unserialize(array $data): void
    {
        [$this->myLocalVar, $parentData] = $data;
        parent::__unserialize($parentData);
    }
  • The Argon2iPasswordEncoder class has been removed, use SodiumPasswordEncoder instead.

  • The BCryptPasswordEncoder class has been removed, use NativePasswordEncoder instead.

  • Classes implementing the TokenInterface must implement the two new methods __serialize and __unserialize

SecurityBundle

  • The logout_on_user_change firewall option has been removed.
  • The switch_user.stateless firewall option has been removed.
  • The SecurityUserValueResolver class has been removed.
  • Passing a FirewallConfig instance as 3rd argument to the FirewallContext constructor now throws a \TypeError, pass a LogoutListener instance instead.
  • The security.authentication.trust_resolver.anonymous_class parameter has been removed.
  • The security.authentication.trust_resolver.rememberme_class parameter has been removed.
  • The simple_form and simple_preauth authentication listeners have been removed, use Guard instead.
  • The SimpleFormFactory and SimplePreAuthenticationFactory classes have been removed, use Guard instead.
  • The names of the cookies configured in the logout.delete_cookies option are no longer normalized. If any of your cookie names has dashes they won't be changed to underscores. Before: my-cookie deleted the my_cookie cookie (with an underscore). After: my-cookie deletes the my-cookie cookie (with a dash).
  • Configuring encoders using argon2i or bcrypt as algorithm is not supported anymore, use auto instead.

Serializer

  • The AbstractNormalizer::handleCircularReference() method has two new $format and $context arguments.

Translation

  • The FileDumper::setBackup() method has been removed.
  • The TranslationWriter::disableBackup() method has been removed.
  • The TranslatorInterface has been removed in favor of Symfony\Contracts\Translation\TranslatorInterface
  • The MessageSelector, Interval and PluralizationRules classes have been removed, use IdentityTranslator instead
  • The Translator::getFallbackLocales() and TranslationDataCollector::getFallbackLocales() method are now internal
  • The Translator::transChoice() method has been removed in favor of using Translator::trans() with "%count%" as the parameter driving plurals

TwigBundle

  • The default value (false) of the twig.strict_variables configuration option has been changed to %kernel.debug%.
  • The transchoice tag and filter have been removed, use the trans ones instead with a %count% parameter.
  • Removed support for legacy templates directories src/Resources/views/ and src/Resources/<BundleName>/views/, use templates/ and templates/bundles/<BundleName>/ instead.

TwigBridge

  • removed the $requestStack and $requestContext arguments of the HttpFoundationExtension, pass a Symfony\Component\HttpFoundation\UrlHelper instance as the only argument instead

Validator

  • The checkMX and checkHost options of the Email constraint were removed
  • The Email::__construct() 'strict' property has been removed. Use 'mode'=>"strict" instead.
  • Calling EmailValidator::__construct() method with a boolean parameter has been removed, use EmailValidator("strict") instead.
  • Removed the checkDNS and dnsMessage options from the Url constraint.
  • The component is now decoupled from symfony/translation and uses Symfony\Contracts\Translation\TranslatorInterface instead
  • The ValidatorBuilderInterface has been removed and ValidatorBuilder is now final
  • Removed support for validating instances of \DateTimeInterface in DateTimeValidator, DateValidator and TimeValidator. Use Type instead or remove the constraint if the underlying model is type hinted to \DateTimeInterface already.
  • The symfony/intl component is now required for using the Bic, Country, Currency, Language and Locale constraints
  • The egulias/email-validator component is now required for using the Email constraint in strict mode
  • The symfony/expression-language component is now required for using the Expression constraint

Workflow

  • The DefinitionBuilder::reset() method has been removed, use the clear() one instead.

  • add method has been removed use addWorkflow method in Workflow\Registry instead.

  • SupportStrategyInterface has been removed, use WorkflowSupportStrategyInterface instead.

  • ClassInstanceSupportStrategy has been removed, use InstanceOfSupportStrategy instead.

  • MarkingStoreInterface::setMarking() has a third argument: array $context = [].

  • Removed support of initial_place. Use initial_places instead.

  • MultipleStateMarkingStore has been removed. Use MethodMarkingStore instead.

    Before:

    framework:
        workflows:
            type: workflow
            article:
                marking_store:
                    type: multiple
                    arguments: states

    After:

    framework:
        workflows:
            type: workflow
            article:
                marking_store:
                    property: states
  • SingleStateMarkingStore has been removed. Use MethodMarkingStore instead.

    Before:

    framework:
        workflows:
            article:
                marking_store:
                    arguments: state

    After:

    framework:
        workflows:
            article:
                marking_store:
                    property: state
  • Support for using a workflow with a single state marking is dropped. Use a state machine instead.

    Before:

    framework:
        workflows:
            article:
                type: workflow
                marking_store:
                    type: single_state

    After:

    framework:
        workflows:
            article:
                type: state_machine

Yaml

  • The parser is now stricter and will throw a ParseException when a mapping is found inside a multi-line string.
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