UPGRADE-5.0.md

UPGRADE FROM 4.x to 5.0

BrowserKit

• 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.

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

DomCrawler

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

EventDispatcher

• The TraceableEventDispatcherInterface has been removed.

Finder

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

Form

• 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

• 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()

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');

Security

• 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.

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

  Before:

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

  After:

  protected function getState(): array
  {
      return [$this->myLocalVar, parent::getState()];
  }
  
  protected function setState(array $data)
  {
      [$this->myLocalVar, $parentData] = $data;
      parent::setState($parentData);
  }

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.

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.

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.

Yaml

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