UPGRADE FROM 2.6 to 2.7

Router

Route conditions now support container parameters which can be injected into condition using %parameter% notation. Due to the fact that it works by replacing all parameters with their corresponding values before passing condition expression for compilation there can be BC breaks where you could already have used percentage symbols. Single percentage symbol usage is not affected in any way. Conflicts may occur where you might have used % as a modulo operator, here's an example: foo%bar%2 which would be compiled to $foo % $bar % 2 in 2.6 but in 2.7 you would get an error if bar parameter doesn't exist or unexpected result otherwise.
The getMatcherDumperInstance() and getGeneratorDumperInstance() methods in the Symfony\Component\Routing\Router have been changed from protected to public. If you override these methods in a subclass, you will need to change your methods to public as well. Note however that this is a temporary change needed for PHP 5.3 compatibility only. It will be reverted in Symfony 3.0.

Form

In form types and extension overriding the "setDefaultOptions" of the AbstractType or AbstractExtensionType has been deprecated in favor of overriding the new "configureOptions" method.

The method "setDefaultOptions(OptionsResolverInterface $resolver)" will be renamed in Symfony 3.0 to "configureOptions(OptionsResolver $resolver)".

Before:

 use Symfony\Component\OptionsResolver\OptionsResolverInterface;

 class TaskType extends AbstractType
 {
     // ...
     public function setDefaultOptions(OptionsResolverInterface $resolver)
     {
         $resolver->setDefaults(array(
             'data_class' => 'AppBundle\Entity\Task',
         ));
     }
 }

After:

 use Symfony\Component\OptionsResolver\OptionsResolver;

 class TaskType extends AbstractType
 {
     // ...
     public function configureOptions(OptionsResolver $resolver)
     {
         $resolver->setDefaults(array(
             'data_class' => 'AppBundle\Entity\Task',
         ));
     }
 }

The "choice_list" option of ChoiceType was deprecated. You should use "choices_as_values" or "choice_loader" now.

Before:

$form->add('status', 'choice', array(
    'choice_list' => new ObjectChoiceList(array(
        Status::getInstance(Status::ENABLED),
        Status::getInstance(Status::DISABLED),
        Status::getInstance(Status::IGNORED),
    )),
));

After:

$form->add('status', 'choice', array(
    'choices' => array(
        Status::getInstance(Status::ENABLED),
        Status::getInstance(Status::DISABLED),
        Status::getInstance(Status::IGNORED),
    ),
    'choices_as_values' => true,
));

You should flip the keys and values of the "choices" option in ChoiceType and set the "choices_as_values" option to true. The default value of that option will be switched to true in Symfony 3.0.

Before:

$form->add('status', 'choice', array(
    'choices' => array(
        Status::ENABLED => 'Enabled',
        Status::DISABLED => 'Disabled',
        Status::IGNORED => 'Ignored',
    )),
));

After:

$form->add('status', 'choice', array(
    'choices' => array(
        'Enabled' => Status::ENABLED,
        'Disabled' => Status::DISABLED,
        'Ignored' => Status::IGNORED,
    ),
    'choices_as_values' => true,
));

Symfony\Component\Form\Extension\Core\ChoiceList\ChoiceListInterface was deprecated and will be removed in Symfony 3.0. You should use Symfony\Component\Form\ChoiceList\ChoiceListInterface instead.

Before:

use Symfony\Component\Form\Extension\Core\ChoiceList\ChoiceListInterface;

public function doSomething(ChoiceListInterface $choiceList)
{
    // ...
}

After:

use Symfony\Component\Form\ChoiceList\ChoiceListInterface;

public function doSomething(ChoiceListInterface $choiceList)
{
    // ...
}

Symfony\Component\Form\Extension\Core\ChoiceList\View\ChoiceView was deprecated and will be removed in Symfony 3.0. You should use Symfony\Component\Form\ChoiceList\View\ChoiceView instead.

Note that the order of the arguments passed to the constructor was inverted.

Before:
```
use Symfony\Component\Form\Extension\Core\ChoiceList\View\ChoiceView;

$view = new ChoiceView($data, 'value', 'Label');
```
After:
```
use Symfony\Component\Form\ChoiceList\View\ChoiceView;

$view = new ChoiceView('Label', 'value', $data);
```

Symfony\Component\Form\Extension\Core\ChoiceList\ChoiceList was deprecated and will be removed in Symfony 3.0. You should use Symfony\Component\Form\ChoiceList\Factory\DefaultChoiceListFactory instead.

Before:

use Symfony\Component\Form\Extension\Core\ChoiceList\ChoiceList;

$choiceList = new ChoiceList(
    array(Status::ENABLED, Status::DISABLED, Status::IGNORED),
    array('Enabled', 'Disabled', 'Ignored'),
    // Preferred choices
    array(Status::ENABLED),
);

After:

use Symfony\Component\Form\ChoiceList\Factory\DefaultChoiceListFactory;

$factory = new DefaultChoiceListFactory();

$choices = array(Status::ENABLED, Status::DISABLED, Status::IGNORED);
$labels = array('Enabled', 'Disabled', 'Ignored');

$choiceList = $factory->createListFromChoices($choices);

$choiceListView = $factory->createView(
    $choiceList,
    // Preferred choices
    array(Status::ENABLED),
    // Labels
    function ($choice, $key) use ($labels) {
        return $labels[$key];
    }
);

Symfony\Component\Form\Extension\Core\ChoiceList\LazyChoiceList was deprecated and will be removed in Symfony 3.0. You should use Symfony\Component\Form\ChoiceList\Factory\DefaultChoiceListFactory::createListFromLoader() together with an implementation of Symfony\Component\Form\ChoiceList\Loader\ChoiceLoaderInterface instead.

Before:

use Symfony\Component\Form\Extension\Core\ChoiceList\LazyChoiceList;

class MyLazyChoiceList extends LazyChoiceList
{
    public function loadChoiceList()
    {
        // load $choiceList

        return $choiceList;
    }
}

$choiceList = new MyLazyChoiceList();

After:

use Symfony\Component\Form\ChoiceList\Factory\DefaultChoiceListFactory;
use Symfony\Component\Form\ChoiceList\Loader\ChoiceLoaderInterface;

class MyChoiceLoader implements ChoiceLoaderInterface
{
    // ...
}

$factory = new DefaultChoiceListFactory();

$choiceList = $factory->createListFromLoader(new MyChoiceLoader());

Symfony\Component\Form\Extension\Core\ChoiceList\ObjectChoiceList was deprecated and will be removed in Symfony 3.0. You should use Symfony\Component\Form\ChoiceList\Factory\DefaultChoiceListFactory instead.

Before:

use Symfony\Component\Form\Extension\Core\ChoiceList\ObjectChoiceList;

$choiceList = new ObjectChoiceList(
    array(Status::getInstance(Status::ENABLED), Status::getInstance(Status::DISABLED)),
    // Label property
    'name'
);

After:

use Symfony\Component\Form\ChoiceList\Factory\DefaultChoiceListFactory;

$factory = new DefaultChoiceListFactory();

$choiceList = $factory->createListFromChoices(array(
    Status::getInstance(Status::ENABLED),
    Status::getInstance(Status::DISABLED),
));

$choiceListView = $factory->createView(
    $choiceList,
    // Preferred choices
    array(),
    // Label property
    'name'
);

Symfony\Component\Form\Extension\Core\ChoiceList\SimpleChoiceList was deprecated and will be removed in Symfony 3.0. You should use Symfony\Component\Form\ChoiceList\Factory\DefaultChoiceListFactory instead.

Before:

use Symfony\Component\Form\Extension\Core\ChoiceList\SimpleChoiceList;

$choiceList = new SimpleChoiceList(array(
    Status::ENABLED => 'Enabled',
    Status::DISABLED => 'Disabled',
));

After:

use Symfony\Component\Form\ChoiceList\Factory\DefaultChoiceListFactory;

$factory = new DefaultChoiceListFactory();

$choices = array(Status::ENABLED, Status::DISABLED);
$labels = array('Enabled', 'Disabled');

$choiceList = $factory->createListFromChoices($choices);

$choiceListView = $factory->createView(
    $choiceList,
    // Preferred choices
    array(),
    // Label
    function ($choice, $key) use ($labels) {
        return $labels[$key];
    }
);

The "property" option of DoctrineType was deprecated. You should use the new inherited option "choice_label" instead, which has the same effect.

Before:

$form->add('tags', 'entity', array(
    'class' => 'Acme\Entity\MyTag',
    'property' => 'name',
))

After:

$form->add('tags', 'entity', array(
    'class' => 'Acme\Entity\MyTag',
    'choice_label' => 'name',
))

The "loader" option of DoctrineType was deprecated and will be removed in Symfony 3.0. You should override the getLoader() method instead in a custom type.

Before:

$form->add('tags', 'entity', array(
    'class' => 'Acme\Entity\MyTag',
    'loader' => new MyEntityLoader(),
))

After:

class MyEntityType extends DoctrineType
{
    // ...

    public function getLoader()
    {
        return new MyEntityLoader();
    }
}

Symfony\Bridge\Doctrine\Form\ChoiceList\EntityChoiceList was deprecated and will be removed in Symfony 3.0. You should use Symfony\Bridge\Doctrine\Form\ChoiceList\DoctrineChoiceLoader instead.

Before:

use Symfony\Component\Form\Extension\Core\ChoiceList\SimpleChoiceList;

$choiceList = new EntityChoiceList($em, 'Acme\Entity\MyEntity');

After:

use Symfony\Component\Form\ChoiceList\Factory\DefaultChoiceListFactory;

$factory = new DefaultChoiceListFactory();

$choices = array(Status::ENABLED, Status::DISABLED);
$labels = array('Enabled', 'Disabled');

$choiceLoader = new DoctrineChoiceLoader($factory, $em, 'Acme\Entity\MyEntity');
$choiceList = $factory->createListFromLoader($choiceLoader);

Passing a query builder closure to ORMQueryBuilderLoader was deprecated and will not be supported anymore in Symfony 3.0. You should pass resolved query builders only.

Consequently, the arguments $manager and $class of ORMQueryBuilderLoader have been deprecated as well.

Note that the "query_builder" option of DoctrineType does support closures, but the closure is now resolved in the type instead of in the loader.

Before:
```
use Symfony\Bridge\Doctrine\Form\ChoiceList\ORMQueryBuilderLoader;

$queryBuilder = function () {
    // return QueryBuilder
};
$loader = new ORMQueryBuilderLoader($queryBuilder);
```
After:
```
use Symfony\Bridge\Doctrine\Form\ChoiceList\ORMQueryBuilderLoader;

// create $queryBuilder
$loader = new ORMQueryBuilderLoader($queryBuilder);
```
The classes ChoiceToBooleanArrayTransformer, ChoicesToBooleanArrayTransformer, FixRadioInputListener and FixCheckboxInputListener were deprecated and will be removed in Symfony 3.0. Their functionality is covered by the new classes RadioListMapper and CheckboxListMapper.

The ability to translate Doctrine type entries by the translator component is now disabled by default and to enable it you must explicitly set the option "choice_translation_domain" to true

Before:

$form->add('products', 'entity', array(
    'class' => 'AppBundle/Entity/Product',
));

After:

$form->add('products', 'entity', array(
    'class' => 'AppBundle/Entity/Product',
    'choice_translation_domain' => true,
));

In the block choice_widget_options the translation_domain has been replaced with the choice_translation_domain option.

Before:

{{ choice.label|trans({}, translation_domain) }}

After:

{{ choice_translation_domain is sameas(false) ? choice.label : choice.label|trans({}, choice_translation_domain) }}

Serializer

The setCamelizedAttributes() method of the Symfony\Component\Serializer\Normalizer\GetSetMethodNormalizer and Symfony\Component\Serializer\Normalizer\PropertyNormalizer classes is marked as deprecated in favor of the new NameConverter system.

Before:

$normalizer->setCamelizedAttributes(array('foo_bar', 'bar_foo'));

After:

use Symfony\Component\Serializer\NameConverter\CamelCaseToSnakeCaseNameConverter;
use Symfony\Component\Serializer\Normalizer\GetSetMethodNormalizer;

$nameConverter = new CamelCaseToSnakeCaseNameConverter(array('fooBar', 'barFoo'));
$normalizer = new GetSetMethodNormalizer(null, $nameConverter);

Symfony\Component\Serializer\Exception\ExceptionInterface is the new name for the now deprecated Symfony\Component\Serializer\Exception\Exception interface.

PropertyAccess

UnexpectedTypeException now expects three constructor arguments: The invalid property value, the PropertyPathInterface object and the current index of the property path.

Before:

     use Symfony\Component\PropertyAccess\Exception\UnexpectedTypeException;

     new UnexpectedTypeException($value, $expectedType);

After:

     use Symfony\Component\PropertyAccess\Exception\UnexpectedTypeException;

     new UnexpectedTypeException($value, $path, $pathIndex);

Config

The __toString() method of the \Symfony\Component\Config\ConfigCache is marked as deprecated in favor of the new getPath() method.

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UPGRADE-2.7.md

UPGRADE-2.7.md

UPGRADE FROM 2.6 to 2.7

Router

Form

Serializer

PropertyAccess

Config

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UPGRADE-2.7.md

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UPGRADE-2.7.md

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UPGRADE FROM 2.6 to 2.7

Router

Form

Serializer

PropertyAccess

Config