UPGRADE-3.2.md

UPGRADE FROM 3.1 to 3.2

FrameworkBundle

• The Controller::getUser() method has been deprecated and will be removed in Symfony 4.0; typehint the security user object in the action instead.

DependencyInjection

• Calling get() on a ContainerBuilder instance before compiling the container is deprecated and will throw an exception in Symfony 4.0.

Form

• Calling isValid() on a Form instance before submitting it is deprecated and will throw an exception in Symfony 4.0.

  Before:

  if ($form->isValid()) {
      // ...
  }

  After:

  if ($form->isSubmitted() && $form->isValid()) {
      // ...
  }

FrameworkBundle

• The service serializer.mapping.cache.doctrine.apc is deprecated. APCu should now be automatically used when available.

Validator

• Tests\Constraints\AbstractConstraintValidatorTest has been deprecated in favor of Test\ConstraintValidatorTestCase.

  Before:

  // ...
  use Symfony\Component\Validator\Tests\Constraints\AbstractConstraintValidatorTest;
  
  class MyCustomValidatorTest extends AbstractConstraintValidatorTest
  {
      // ...
  }

  After:

  // ...
  use Symfony\Component\Validator\Test\ConstraintValidatorTestCase;
  
  class MyCustomValidatorTest extends ConstraintValidatorTestCase
  {
      // ...
  }

Yaml

• Support for silently ignoring duplicate keys in YAML has been deprecated and

• Mappings with a colon that is not followed by a space are deprecated and will lead to a ParseException in Symfony 4.0.