symfony/UPGRADE-3.3.md

UPGRADE FROM 3.2 to 3.3

ClassLoader

• The component is deprecated and will be removed in 4.0. Use Composer instead.

DependencyInjection

• The Reference and Alias classes do not make service identifiers lowercase anymore.

• Case insensitivity of service identifiers is deprecated and will be removed in 4.0.

• Using the PhpDumper with an uncompiled ContainerBuilder is deprecated and will not be supported anymore in 4.0.

• The DefinitionDecorator class is deprecated and will be removed in 4.0, use the ChildDefinition class instead.

EventDispatcher

• The ContainerAwareEventDispatcher class has been deprecated. Use EventDispatcher with closure-proxy injection instead.

Finder

• The ExceptionInterface has been deprecated and will be removed in 4.0.

FrameworkBundle

• The Symfony\Bundle\FrameworkBundle\DependencyInjection\Compiler\AddConsoleCommandPass has been deprecated. Use Symfony\Component\Console\DependencyInjection\AddConsoleCommandPass instead.

HttpKernel

• The Psr6CacheClearer::addPool() method has been deprecated. Pass an array of pools indexed by name to the constructor instead.

Security

• The RoleInterface has been deprecated. Extend the Symfony\Component\Security\Core\Role\Role class in your custom role implementations instead.

SecurityBundle

• The FirewallContext::getContext() method has been deprecated and will be removed in 4.0. Use the getListeners() method instead.

TwigBridge

• The TwigRendererEngine::setEnvironment() method has been deprecated and will be removed in 4.0. Pass the Twig Environment as second argument of the constructor instead.

Workflow

• Deprecated class name support in WorkflowRegistry::add() as second parameter. Wrap the class name in an instance of ClassInstanceSupportStrategy instead.

Yaml

• The constructor arguments $offset, $totalNumberOfLines and $skippedLineNumbers of the Parser class are deprecated and will be removed in 4.0