UPGRADE-5.0.md

UPGRADE FROM 4.x to 5.0

Cache

• Removed CacheItem::getPreviousTags(), use CacheItem::getMetadata() 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.

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

EventDispatcher

• The TraceableEventDispatcherInterface has been removed.

FrameworkBundle

• Removed support for bundle:controller:action and service:action syntaxes 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
  
  service_controller:
      path: /
      defaults:
          _controller: app.my_controller:myAction

  After:

  bundle_controller:
      path: /
      defaults:
          _controller: Symfony\Bundle\FrameworkBundle\Controller\RedirectController::redirectAction
  
  service_controller:
      path: /
      defaults:
          _controller: app.my_controller::myAction

• 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.

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.

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.

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.

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

TwigBundle

• The default value (false) of the twig.strict_variables configuration option has been changed to %kernel.debug%.

Validator

• 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.

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.