UPGRADE-3.2.md

UPGRADE FROM 3.1 to 3.2

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()) {
      // ...
  }

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
  {
      // ...
  }