symfony/UPGRADE-3.2.md

UPGRADE FROM 3.1 to 3.2

FrameworkBundle

• The Resources/public/images/* files have been removed.
• The Resources/public/css/*.css files have been removed (they are now inlined in TwigBundle).
• The Controller::getUser() method has been deprecated and will be removed in Symfony 4.0; typehint the security user object in the action instead.

Console

• Setting unknown style options is deprecated and will throw an exception in Symfony 4.0.

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.

HttpKernel

• DataCollector::varToString() is deprecated and will be removed in Symfony 4.0. Use the cloneVar() method instead.

HttpFoundation

• Extending the following methods of Response is deprecated (these methods will be final in 4.0):

  • setDate/getDate
  • setExpires/getExpires
  • setLastModified/getLastModified
  • setProtocolVersion/getProtocolVersion
  • setStatusCode/getStatusCode
  • setCharset/getCharset
  • setPrivate/setPublic
  • getAge
  • getMaxAge/setMaxAge
  • setSharedMaxAge
  • getTtl/setTtl
  • setClientTtl
  • getEtag/setEtag
  • hasVary/getVary/setVary
  • isInvalid/isSuccessful/isRedirection/isClientError/isServerError
  • isOk/isForbidden/isNotFound/isRedirect/isEmpty

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
  {
      // ...
  }
  

• Setting the strict option of the Choice Constraint to false has been deprecated and the option will be changed to true as of 4.0.

  // ...
  use Symfony\Component\Validator\Constraints as Assert;
  
  class MyEntity
  {
      /**
       * @Assert\Choice(choices={"MR", "MRS"}, strict=true)
       */
      private $salutation;
  }
  

Yaml

• Support for silently ignoring duplicate mapping keys in YAML has been deprecated and will lead to a ParseException in Symfony 4.0.

• Mappings with a colon (:) that is not followed by a whitespace are deprecated and will lead to a ParseException in Symfony 4.0 (e.g. foo:bar must be foo: bar).