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UPGRADE FROM 2.x to 3.0
=======================
### ClassLoader
* The `UniversalClassLoader` class has been removed in favor of
`ClassLoader`. The only difference is that some method names are different:
| Old name | New name
| -------- | ---
| `registerNamespaces()` | `addPrefixes()`
| `registerPrefixes()` | `addPrefixes()`
| `registerNamespace()` | `addPrefix()`
| `registerPrefix()` | `addPrefix()`
| `getNamespaces()` | `getPrefixes()`
| `getNamespaceFallbacks()` | `getFallbackDirs()`
| `getPrefixFallbacks()` | `getFallbackDirs()`
* The `DebugUniversalClassLoader` class has been removed in favor of
`DebugClassLoader`. The difference is that the constructor now takes a
loader to wrap.
### Config
* `\Symfony\Component\Config\Resource\ResourceInterface::isFresh()` has been removed. Also,
cache validation through this method (which was still supported in 2.8 for BC) does no longer
work because the `\Symfony\Component\Config\Resource\BCResourceInterfaceChecker` helper class
has been removed as well.
* The `__toString()` method of the `\Symfony\Component\Config\ConfigCache` class
was removed in favor of the new `getPath()` method.
### Console
* The `dialog` helper has been removed in favor of the `question` helper.
* The methods `isQuiet`, `isVerbose`, `isVeryVerbose` and `isDebug` were added
to `Symfony\Component\Console\Output\OutputInterface`.
* `ProgressHelper` has been removed in favor of `ProgressBar`.
Before:
```php
$h = new ProgressHelper();
$h->start($output, 10);
for ($i = 1; $i < 5; $i++) {
usleep(200000);
$h->advance();
}
$h->finish();
```
After:
```php
$bar = new ProgressBar($output, 10);
$bar->start();
for ($i = 1; $i < 5; $i++) {
usleep(200000);
$bar->advance();
}
```
* `TableHelper` has been removed in favor of `Table`.
Before:
```php
$table = $app->getHelperSet()->get('table');
$table
->setHeaders(array('ISBN', 'Title', 'Author'))
->setRows(array(
array('99921-58-10-7', 'Divine Comedy', 'Dante Alighieri'),
array('9971-5-0210-0', 'A Tale of Two Cities', 'Charles Dickens'),
array('960-425-059-0', 'The Lord of the Rings', 'J. R. R. Tolkien'),
array('80-902734-1-6', 'And Then There Were None', 'Agatha Christie'),
))
;
$table->render($output);
```
After:
```php
use Symfony\Component\Console\Helper\Table;
$table = new Table($output);
$table
->setHeaders(array('ISBN', 'Title', 'Author'))
->setRows(array(
array('99921-58-10-7', 'Divine Comedy', 'Dante Alighieri'),
array('9971-5-0210-0', 'A Tale of Two Cities', 'Charles Dickens'),
array('960-425-059-0', 'The Lord of the Rings', 'J. R. R. Tolkien'),
array('80-902734-1-6', 'And Then There Were None', 'Agatha Christie'),
))
;
$table->render();
```
* Parameters of `renderException()` method of the
`Symfony\Component\Console\Application` are type hinted.
You must add the type hint to your implementations.
### DependencyInjection
* The method `remove` was added to `Symfony\Component\DependencyInjection\ParameterBag\ParameterBagInterface`.
* The concept of scopes was removed, the removed methods are:
- `Symfony\Component\DependencyInjection\ContainerBuilder::getScopes()`
- `Symfony\Component\DependencyInjection\ContainerBuilder::getScopeChildren()`
- `Symfony\Component\DependencyInjection\ContainerInterface::enterScope()`
- `Symfony\Component\DependencyInjection\ContainerInterface::leaveScope()`
- `Symfony\Component\DependencyInjection\ContainerInterface::addScope()`
- `Symfony\Component\DependencyInjection\ContainerInterface::hasScope()`
- `Symfony\Component\DependencyInjection\ContainerInterface::isScopeActive()`
- `Symfony\Component\DependencyInjection\Definition::setScope()`
- `Symfony\Component\DependencyInjection\Definition::getScope()`
- `Symfony\Component\DependencyInjection\Reference::isStrict()`
Also, the `$scope` and `$strict` parameters of `Symfony\Component\DependencyInjection\ContainerInterface::set()`
and `Symfony\Component\DependencyInjection\Reference` respectively were removed.
* A new `shared` flag has been added to the service definition
in replacement of the `prototype` scope.
Before:
```php
use Symfony\Component\DependencyInjection\ContainerBuilder;
$container = new ContainerBuilder();
$container
->register('foo', 'stdClass')
->setScope(ContainerBuilder::SCOPE_PROTOTYPE)
;
```
```yml
services:
foo:
class: stdClass
scope: prototype
```
```xml
<services>
<service id="foo" class="stdClass" scope="prototype" />
</services>
```
After:
```php
use Symfony\Component\DependencyInjection\ContainerBuilder;
$container = new ContainerBuilder();
$container
->register('foo', 'stdClass')
->setShared(false)
;
```
```yml
services:
foo:
class: stdClass
shared: false
```
```xml
<services>
<service id="foo" class="stdClass" shared="false" />
</services>
```
* `Symfony\Component\DependencyInjection\ContainerAware` was removed, use
`Symfony\Component\DependencyInjection\ContainerAwareTrait` or implement
`Symfony\Component\DependencyInjection\ContainerAwareInterface` manually
* The methods `Definition::setFactoryClass()`,
`Definition::setFactoryMethod()`, and `Definition::setFactoryService()` have
been removed in favor of `Definition::setFactory()`. Services defined using
YAML or XML use the same syntax as configurators.
* Synchronized services are deprecated and the following methods have been
removed: `ContainerBuilder::synchronize()`, `Definition::isSynchronized()`,
and `Definition::setSynchronized()`.
### DomCrawler
* The interface of the `Symfony\Component\DomCrawler\Crawler` changed. It does no longer implement `\Iterator` but `\IteratorAggregate`. If you rely on methods of the `\Iterator` interface, call the `getIterator` method of the `\IteratorAggregate` interface before. No changes are required in a `\Traversable`-aware control structure, such as `foreach`.
Before:
```php
$crawler->current();
```
After:
```php
$crawler->getIterator()->current();
```
### DoctrineBridge
* The `property` option of `DoctrineType` was removed in favor of the `choice_label` option.
* The `loader` option of `DoctrineType` was removed. You now have to override the `getLoader()`
method in your custom type.
* The `Symfony\Bridge\Doctrine\Form\ChoiceList\EntityChoiceList` was removed in favor
of `Symfony\Bridge\Doctrine\Form\ChoiceList\DoctrineChoiceLoader`.
* Passing a query builder closure to `ORMQueryBuilderLoader` is not supported anymore.
You should pass resolved query builders only.
Consequently, the arguments `$manager` and `$class` of `ORMQueryBuilderLoader`
have been removed as well.
Note that the `query_builder` option of `DoctrineType` *does* support
closures, but the closure is now resolved in the type instead of in the
loader.
### EventDispatcher
* The method `getListenerPriority($eventName, $listener)` has been added to the
`EventDispatcherInterface`.
* The interface `Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcherInterface`
extends `Symfony\Component\EventDispatcher\EventDispatcherInterface`.
### Form
* The `getBlockPrefix()` method was added to the `FormTypeInterface` in replacement of
the `getName()` method which has been removed.
* The `configureOptions()` method was added to the `FormTypeInterface` in replacement
of the `setDefaultOptions()` method which has been removed.
* The `getBlockPrefix()` method was added to the `ResolvedFormTypeInterface` in
replacement of the `getName()` method which has been removed.
* The option `options` of the `CollectionType` has been removed in favor
of the `entry_options` option.
* The `cascade_validation` option was removed. Use the `constraints` option
together with the `Valid` constraint instead.
* Type names were removed. Instead of referencing types by name, you must
reference them by their fully-qualified class name (FQCN) instead:
Before:
```php
$form = $this->createFormBuilder()
->add('name', 'text')
->add('age', 'integer')
->getForm();
```
After:
```php
use Symfony\Component\Form\Extension\Core\Type\IntegerType;
use Symfony\Component\Form\Extension\Core\Type\TextType;
$form = $this->createFormBuilder()
->add('name', TextType::class)
->add('age', IntegerType::class)
->getForm();
```
If you want to customize the block prefix of a type in Twig, you must now
implement `FormTypeInterface::getBlockPrefix()`:
Before:
```php
class UserProfileType extends AbstractType
{
public function getName()
{
return 'profile';
}
}
```
After:
```php
class UserProfileType extends AbstractType
{
public function getBlockPrefix()
{
return 'profile';
}
}
```
If you don't customize `getBlockPrefix()`, it defaults to the class name
without "Type" suffix in underscore notation (here: "user_profile").
Type extension must return the fully-qualified class name of the extended
type from `FormTypeExtensionInterface::getExtendedType()` now.
Before:
```php
class MyTypeExtension extends AbstractTypeExtension
{
public function getExtendedType()
{
return 'form';
}
}
```
After:
```php
use Symfony\Component\Form\Extension\Core\Type\FormType;
class MyTypeExtension extends AbstractTypeExtension
{
public function getExtendedType()
{
return FormType::class;
}
}
```
* The `FormTypeInterface::getName()` method was removed.
* Returning type instances from `FormTypeInterface::getParent()` is not
supported anymore. Return the fully-qualified class name of the parent
type class instead.
Before:
```php
class MyType
{
public function getParent()
{
return new ParentType();
}
}
```
After:
```php
class MyType
{
public function getParent()
{
return ParentType::class;
}
}
```
* The option `type` of the `CollectionType` has been removed in favor of
the `entry_type` option. The value for the `entry_type` option must be
the fully-qualified class name (FQCN).
* Passing type instances to `Form::add()`, `FormBuilder::add()` and the
`FormFactory::create*()` methods is not supported anymore. Pass the
fully-qualified class name of the type instead.
Before:
```php
$form = $this->createForm(new MyType());
```
After:
```php
$form = $this->createForm(MyType::class);
```
* The alias option of the `form.type_extension` tag was removed in favor of
the `extended_type`/`extended-type` option.
Before:
```xml
<service id="app.type_extension" class="Vendor\Form\Extension\MyTypeExtension">
<tag name="form.type_extension" alias="text" />
</service>
```
After:
```xml
<service id="app.type_extension" class="Vendor\Form\Extension\MyTypeExtension">
<tag name="form.type_extension" extended-type="Symfony\Component\Form\Extension\Core\Type\TextType" />
</service>
```
* The `max_length` option was removed. Use the `attr` option instead by setting it to
an `array` with a `maxlength` key.
* The `ChoiceToBooleanArrayTransformer`, `ChoicesToBooleanArrayTransformer`,
`FixRadioInputListener`, and `FixCheckboxInputListener` classes were removed.
* The `choice_list` option of `ChoiceType` was removed.
* The option "precision" was renamed to "scale".
Before:
```php
use Symfony\Component\Form\Extension\Core\Type\NumberType;
$builder->add('length', NumberType::class, array(
'precision' => 3,
));
```
After:
```php
use Symfony\Component\Form\Extension\Core\Type\NumberType;
$builder->add('length', NumberType::class, array(
'scale' => 3,
));
```
* The option "`virtual`" was renamed to "`inherit_data`".
Before:
```php
use Symfony\Component\Form\Extension\Core\Type\FormType;
$builder->add('address', FormType::class, array(
'virtual' => true,
));
```
After:
```php
use Symfony\Component\Form\Extension\Core\Type\FormType;
$builder->add('address', FormType::class, array(
'inherit_data' => true,
));
```
* The method `AbstractType::setDefaultOptions(OptionsResolverInterface $resolver)` and
`AbstractTypeExtension::setDefaultOptions(OptionsResolverInterface $resolver)` have been
renamed. You should use `AbstractType::configureOptions(OptionsResolver $resolver)` and
`AbstractTypeExtension::configureOptions(OptionsResolver $resolver)` instead.
* The methods `Form::bind()` and `Form::isBound()` were removed. You should
use `Form::submit()` and `Form::isSubmitted()` instead.
Before:
```php
$form->bind(array(...));
```
After:
```php
$form->submit(array(...));
```
* Passing a `Symfony\Component\HttpFoundation\Request` instance, as was
supported by `FormInterface::bind()`, is not possible with
`FormInterface::submit()` anymore. You should use `FormInterface::handleRequest()`
instead.
Before:
```php
if ('POST' === $request->getMethod()) {
$form->bind($request);
if ($form->isValid()) {
// ...
}
}
```
After:
```php
$form->handleRequest($request);
if ($form->isValid()) {
// ...
}
```
If you want to test whether the form was submitted separately, you can use
the method `isSubmitted()`:
```php
$form->handleRequest($request);
if ($form->isSubmitted()) {
// ...
if ($form->isValid()) {
// ...
}
}
```
* The events `PRE_BIND`, `BIND` and `POST_BIND` were renamed to `PRE_SUBMIT`, `SUBMIT`
and `POST_SUBMIT`.
Before:
```php
$builder->addEventListener(FormEvents::PRE_BIND, function (FormEvent $event) {
// ...
});
```
After:
```php
$builder->addEventListener(FormEvents::PRE_SUBMIT, function (FormEvent $event) {
// ...
});
```
* The class `VirtualFormAwareIterator` was renamed to `InheritDataAwareIterator`.
Before:
```php
use Symfony\Component\Form\Util\VirtualFormAwareIterator;
$iterator = new VirtualFormAwareIterator($forms);
```
After:
```php
use Symfony\Component\Form\Util\InheritDataAwareIterator;
$iterator = new InheritDataAwareIterator($forms);
```
* The `TypeTestCase` class was moved from the `Symfony\Component\Form\Tests\Extension\Core\Type` namespace to the `Symfony\Component\Form\Test` namespace.
Before:
```php
use Symfony\Component\Form\Tests\Extension\Core\Type\TypeTestCase
class MyTypeTest extends TypeTestCase
{
// ...
}
```
After:
```php
use Symfony\Component\Form\Test\TypeTestCase;
class MyTypeTest extends TypeTestCase
{
// ...
}
```
* The option "options" of the CollectionType has been renamed to "entry_options".
* The option "type" of the CollectionType has been renamed to "entry_type".
As a value for the option you must provide the fully-qualified class name (FQCN)
now as well.
* The `FormIntegrationTestCase` and `FormPerformanceTestCase` classes were moved form the `Symfony\Component\Form\Tests` namespace to the `Symfony\Component\Form\Test` namespace.
* The constants `ROUND_HALFEVEN`, `ROUND_HALFUP` and `ROUND_HALFDOWN` in class
`NumberToLocalizedStringTransformer` were renamed to `ROUND_HALF_EVEN`,
`ROUND_HALF_UP` and `ROUND_HALF_DOWN`.
* The `Symfony\Component\Form\Extension\Core\ChoiceList\ChoiceListInterface` was
removed in favor of `Symfony\Component\Form\ChoiceList\ChoiceListInterface`.
* `Symfony\Component\Form\Extension\Core\View\ChoiceView` was removed in favor of
`Symfony\Component\Form\ChoiceList\View\ChoiceView`.
* The interface `Symfony\Component\Form\Extension\Csrf\CsrfProvider\CsrfProviderInterface`
and all of its implementations were removed. Use the new interface
`Symfony\Component\Security\Csrf\CsrfTokenManagerInterface` instead.
* The options "`csrf_provider`" and "`intention`" were renamed to "`csrf_token_generator`"
and "`csrf_token_id`".
* The method `Form::getErrorsAsString()` was removed. Use `Form::getErrors()`
instead with the argument `$deep` set to true and `$flatten` set to false
and cast the returned iterator to a string (if not done implicitly by PHP).
Before:
```php
echo $form->getErrorsAsString();
```
After:
```php
echo $form->getErrors(true, false);
```
* The `Symfony\Component\Form\Extension\Core\ChoiceList\ChoiceList` class has been removed in
favor of `Symfony\Component\Form\ChoiceList\ArrayChoiceList`.
* The `Symfony\Component\Form\Extension\Core\ChoiceList\LazyChoiceList` class has been removed in
favor of `Symfony\Component\Form\ChoiceList\LazyChoiceList`.
* The `Symfony\Component\Form\Extension\Core\ChoiceList\ObjectChoiceList` class has been removed in
favor of `Symfony\Component\Form\ChoiceList\ArrayChoiceList`.
* The `Symfony\Component\Form\Extension\Core\ChoiceList\SimpleChoiceList` class has been removed in
favor of `Symfony\Component\Form\ChoiceList\ArrayChoiceList`.
* The `TimezoneType::getTimezones()` method was removed. You should not use
this method.
* The `Symfony\Component\Form\ChoiceList\ArrayKeyChoiceList` class has been removed in
favor of `Symfony\Component\Form\ChoiceList\ArrayChoiceList`.
### FrameworkBundle
* The `config:debug`, `container:debug`, `router:debug`, `translation:debug`
and `yaml:lint` commands have been deprecated since Symfony 2.7 and will
be removed in Symfony 3.0. Use the `debug:config`, `debug:container`,
`debug:router`, `debug:translation` and `lint:yaml` commands instead.
* The base `Controller`class is now abstract.
* The visibility of all methods of the base `Controller` class has been changed from
`public` to `protected`.
* The `getRequest` method of the base `Controller` class has been deprecated
since Symfony 2.4 and must be therefore removed in 3.0. The only reliable
way to get the `Request` object is to inject it in the action method.
Before:
```php
namespace Acme\FooBundle\Controller;
class DemoController
{
public function showAction()
{
$request = $this->getRequest();
// ...
}
}
```
After:
```php
namespace Acme\FooBundle\Controller;
use Symfony\Component\HttpFoundation\Request;
class DemoController
{
public function showAction(Request $request)
{
// ...
}
}
```
* In Symfony 2.7 a small BC break was introduced with the new choices_as_values
option. In order to have the choice values populated to the html value attribute
you had to define the choice_value option. This is now not any more needed.
Before:
```php
$form->add('status', 'choice', array(
'choices' => array(
'Enabled' => Status::ENABLED,
'Disabled' => Status::DISABLED,
'Ignored' => Status::IGNORED,
),
// choices_as_values defaults to true in Symfony 3.0
// and setting it to anything else is deprecated as of 3.0
'choices_as_values' => true,
// important if you rely on your option value attribute (e.g. for JavaScript)
// this will keep the same functionality as before
'choice_value' => function ($choice) {
return $choice;
},
));
```
After:
```php
$form->add('status', ChoiceType::class, array(
'choices' => array(
'Enabled' => Status::ENABLED,
'Disabled' => Status::DISABLED,
'Ignored' => Status::IGNORED,
)
));
```
* The `request` service was removed. You must inject the `request_stack`
service instead.
* The `enctype` method of the `form` helper was removed. You should use the
new method `start` instead.
Before:
```php
<form method="post" action="http://example.com" <?php echo $view['form']->enctype($form) ?>>
...
</form>
```
After:
```php
<?php echo $view['form']->start($form) ?>
...
<?php echo $view['form']->end($form) ?>
```
The method and action of the form default to "POST" and the current
document. If you want to change these values, you can set them explicitly in
the controller.
Alternative 1:
```php
$form = $this->createForm('my_form', $formData, array(
'method' => 'PUT',
'action' => $this->generateUrl('target_route'),
));
```
Alternative 2:
```php
$form = $this->createFormBuilder($formData)
// ...
->setMethod('PUT')
->setAction($this->generateUrl('target_route'))
->getForm();
```
It is also possible to override the method and the action in the template:
```php
<?php echo $view['form']->start($form, array('method' => 'GET', 'action' => 'http://example.com')) ?>
...
<?php echo $view['form']->end($form) ?>
```
* The `RouterApacheDumperCommand` was removed.
* The `createEsi` method of `Symfony\Bundle\FrameworkBundle\HttpCache\HttpCache` was removed. Use `createSurrogate` instead.
* The `templating.helper.router` service was moved to `templating_php.xml`. You
have to ensure that the PHP templating engine is enabled to be able to use it:
```yaml
framework:
templating:
engines: ['php']
```
* The `form.csrf_provider` service is removed as it implements an adapter for
the new token manager to the deprecated
`Symfony\Component\Form\Extension\Csrf\CsrfProvider\CsrfProviderInterface`
interface.
The `security.csrf.token_manager` should be used instead.
* The `validator.mapping.cache.apc` service has been removed in favor of the `validator.mapping.cache.doctrine.apc` one.
* The ability to pass `apc` as the `framework.validation.cache` configuration key value has been removed.
Use `validator.mapping.cache.doctrine.apc` instead:
Before:
```yaml
framework:
validation:
cache: apc
```
After:
```yaml
framework:
validation:
cache: validator.mapping.cache.doctrine.apc
```
### HttpKernel
* The `Symfony\Component\HttpKernel\Log\LoggerInterface` has been removed in
favor of `Psr\Log\LoggerInterface`. The only difference is that some method
names are different:
| Old name | New name
| -------- | ---
| `emerg()` | `emergency()`
| `crit()` | `critical()`
| `err()` | `error()`
| `warn()` | `warning()`
The previous method renames also happened to the following classes:
* `Symfony\Bridge\Monolog\Logger`
* `Symfony\Component\HttpKernel\Log\NullLogger`
* The `Symfony\Component\HttpKernel\Kernel::init()` method has been removed.
* The following classes have been renamed as they have been moved to the
Debug component:
| Old name | New name
| -------- | ---
| `Symfony\Component\HttpKernel\Debug\ErrorHandler` | `Symfony\Component\Debug\ErrorHandler`
| `Symfony\Component\HttpKernel\Debug\ExceptionHandler` | `Symfony\Component\Debug\ExceptionHandler`
| `Symfony\Component\HttpKernel\Exception\FatalErrorException` | `Symfony\Component\Debug\Exception\FatalErrorException`
| `Symfony\Component\HttpKernel\Exception\FlattenException` | `Symfony\Component\Debug\Exception\FlattenException`
* The `Symfony\Component\HttpKernel\EventListener\ExceptionListener` now
passes the Request format as the `_format` argument instead of `format`.
* The `Symfony\Component\HttpKernel\DependencyInjection\RegisterListenersPass` has been renamed to
`Symfony\Component\EventDispatcher\DependencyInjection\RegisterListenersPass` and moved to the EventDispatcher component.
### Locale
* The Locale component was removed and replaced by the Intl component.
Instead of the methods in `Symfony\Component\Locale\Locale`, you should use
these equivalent methods in `Symfony\Component\Intl\Intl` now:
| Old way | New way
| ------- | ---
| `Locale::getDisplayCountries()` | `Intl::getRegionBundle()->getCountryNames()`
| `Locale::getCountries()` | `array_keys(Intl::getRegionBundle()->getCountryNames())`
| `Locale::getDisplayLanguages()` | `Intl::getLanguageBundle()->getLanguageNames()`
| `Locale::getLanguages()` | `array_keys(Intl::getLanguageBundle()->getLanguageNames())`
| `Locale::getDisplayLocales()` | `Intl::getLocaleBundle()->getLocaleNames()`
| `Locale::getLocales()` | `array_keys(Intl::getLocaleBundle()->getLocaleNames())`
### PropertyAccess
* Renamed `PropertyAccess::getPropertyAccessor` to `createPropertyAccessor`.
Before:
```php
use Symfony\Component\PropertyAccess\PropertyAccess;
$accessor = PropertyAccess::getPropertyAccessor();
```
After:
```php
use Symfony\Component\PropertyAccess\PropertyAccess;
$accessor = PropertyAccess::createPropertyAccessor();
```
### Routing
* Some route settings have been renamed:
* The `pattern` setting has been removed in favor of `path`
* The `_scheme` and `_method` requirements have been moved to the `schemes` and `methods` settings
Before:
```yaml
article_edit:
pattern: /article/{id}
requirements: { '_method': 'POST|PUT', '_scheme': 'https', 'id': '\d+' }
```
```xml
<route id="article_edit" pattern="/article/{id}">
<requirement key="_method">POST|PUT</requirement>
<requirement key="_scheme">https</requirement>
<requirement key="id">\d+</requirement>
</route>
```
```php
$route = new Route();
$route->setPattern('/article/{id}');
$route->setRequirement('_method', 'POST|PUT');
$route->setRequirement('_scheme', 'https');
```
After:
```yaml
article_edit:
path: /article/{id}
methods: [POST, PUT]
schemes: https
requirements: { 'id': '\d+' }
```
```xml
<route id="article_edit" path="/article/{id}" methods="POST PUT" schemes="https">
<requirement key="id">\d+</requirement>
</route>
```
```php
$route = new Route();
$route->setPath('/article/{id}');
$route->setMethods(array('POST', 'PUT'));
$route->setSchemes('https');
```
* The `ApacheMatcherDumper` and `ApacheUrlMatcher` were removed since
the performance gains were minimal and it's hard to replicate the behaviour
of PHP implementation.
* The `getMatcherDumperInstance()` and `getGeneratorDumperInstance()` methods in the
`Symfony\Component\Routing\Router` have been changed from `public` to `protected`.
* Use the constants defined in the UrlGeneratorInterface for the $referenceType argument of the UrlGeneratorInterface::generate method.
Before:
```php
// url generated in controller
$this->generateUrl('blog_show', array('slug' => 'my-blog-post'), true);
// url generated in @router service
$router->generate('blog_show', array('slug' => 'my-blog-post'), true);
```
After:
```php
use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
// url generated in controller
$this->generateUrl('blog_show', array('slug' => 'my-blog-post'), UrlGeneratorInterface::ABSOLUTE_URL);
// url generated in @router service
$router->generate('blog_show', array('slug' => 'my-blog-post'), UrlGeneratorInterface::ABSOLUTE_URL);
```
### Security
* The `vote()` method from the `VoterInterface` was changed to now accept arbitrary
types and not only objects. You can rely on the new abstract `Voter` class introduced
in 2.8 to ease integrating your own voters.
* The `AbstractVoter` class was removed in favor of the new `Voter` class.
* The `Resources/` directory was moved to `Core/Resources/`
* The `key` settings of `anonymous`, `remember_me` and `http_digest` are
renamed to `secret`.
Before:
```yaml
security:
# ...
firewalls:
default:
# ...
anonymous: { key: "%secret%" }
remember_me:
key: "%secret%"
http_digest:
key: "%secret%"
```
```xml
<!-- ... -->
<config>
<!-- ... -->
<firewall>
<!-- ... -->
<anonymous key="%secret%"/>
<remember-me key="%secret%"/>
<http-digest key="%secret%"/>
</firewall>
</config>
```
```php
// ...
$container->loadFromExtension('security', array(
// ...
'firewalls' => array(
// ...
'anonymous' => array('key' => '%secret%'),
'remember_me' => array('key' => '%secret%'),
'http_digest' => array('key' => '%secret%'),
),
));
```
After:
```yaml
security:
# ...
firewalls:
default:
# ...
anonymous: { secret: "%secret%" }
remember_me:
secret: "%secret%"
http_digest:
secret: "%secret%"
```
```xml
<!-- ... -->
<config>
<!-- ... -->
<firewall>
<!-- ... -->
<anonymous secret="%secret%"/>
<remember-me secret="%secret%"/>
<http-digest secret="%secret%"/>
</firewall>
</config>
```
```php
// ...
$container->loadFromExtension('security', array(
// ...
'firewalls' => array(
// ...
'anonymous' => array('secret' => '%secret%'),
'remember_me' => array('secret' => '%secret%'),
'http_digest' => array('secret' => '%secret%'),
),
));
```
* The `AbstractVoter` class was removed. Instead, extend the new `Voter` class,
introduced in 2.8, and move your voting logic to the to the `supports($attribute, $subject)`
and `voteOnAttribute($attribute, $object, TokenInterface $token)` methods.
* The `supportsClass` and `supportsAttribute` methods were
removed from the `VoterInterface` interface.
Before:
```php
class MyVoter extends AbstractVoter
{
protected function getSupportedAttributes()
{
return array('CREATE', 'EDIT');
}
protected function getSupportedClasses()
{
return array('AppBundle\Entity\Post');
}
// ...
}
```
After:
```php
use Symfony\Component\Security\Core\Authorization\Voter\Voter;
class MyVoter extends Voter
{
protected function supports($attribute, $object)
{
return $object instanceof Post && in_array($attribute, array('CREATE', 'EDIT'));
}
protected function voteOnAttribute($attribute, $object, TokenInterface $token)
{
// Return true or false
}
}
```
* The `AbstractVoter::isGranted()` method has been replaced by `Voter::voteOnAttribute()`.
Before:
```php
class MyVoter extends AbstractVoter
{
protected function isGranted($attribute, $object, $user = null)
{
return 'EDIT' === $attribute && $user === $object->getAuthor();
}
// ...
}
```
After:
```php
class MyVoter extends Voter
{
protected function voteOnAttribute($attribute, $object, TokenInterface $token)
{
return 'EDIT' === $attribute && $token->getUser() === $object->getAuthor();
}
// ...
}
```
* The `supportsAttribute()` and `supportsClass()` methods of the `AuthenticatedVoter`, `ExpressionVoter`,
and `RoleVoter` classes have been removed.
* The `intention` option was renamed to `csrf_token_id` for all the authentication listeners.
* The `csrf_provider` option was renamed to `csrf_token_generator` for all the authentication listeners.
### SecurityBundle
* The `intention` firewall listener setting was renamed to `csrf_token_id`.
* The `csrf_provider` firewall listener setting was renamed to `csrf_token_generator`.
### Serializer
* The `setCamelizedAttributes()` method of the
`Symfony\Component\Serializer\Normalizer\GetSetMethodNormalizer` and
`Symfony\Component\Serializer\Normalizer\PropertyNormalizer` classes
was removed.
* The `Symfony\Component\Serializer\Exception\Exception` interface was removed
in favor of the new `Symfony\Component\Serializer\Exception\ExceptionInterface`.
### Translator
* The `Translator::setFallbackLocale()` method has been removed in favor of
`Translator::setFallbackLocales()`.
* The visibility of the `locale` property has been changed from protected to private. Rely on `getLocale` and `setLocale`
instead.
Before:
```php
class CustomTranslator extends Translator
{
public function fooMethod()
{
// get locale
$locale = $this->locale;
// update locale
$this->locale = $locale;
}
}
```
After:
```php
class CustomTranslator extends Translator
{
public function fooMethod()
{
// get locale
$locale = $this->getLocale();
// update locale
$this->setLocale($locale);
}
}
```
* The method `FileDumper::format()` was removed. You should use
`FileDumper::formatCatalogue()` instead.
Before:
```php
class CustomDumper extends FileDumper
{
protected function format(MessageCatalogue $messages, $domain)
{
...
}
}
```
After:
```php
class CustomDumper extends FileDumper
{
public function formatCatalogue(MessageCatalogue $messages, $domain, array $options = array())
{
...
}
}
```
* The `getMessages()` method of the `Symfony\Component\Translation\Translator`
class was removed. You should use the `getCatalogue()` method of the
`Symfony\Component\Translation\TranslatorBagInterface`.
### Twig Bridge
* The `twig:lint` command has been deprecated since Symfony 2.7 and will be
removed in Symfony 3.0. Use the `lint:twig` command instead.
* The `render` tag is deprecated in favor of the `render` function.
* The `form_enctype` helper was removed. You should use the new `form_start`
function instead.
Before:
```php
<form method="post" action="http://example.com" {{ form_enctype(form) }}>
...
</form>
```
After:
```jinja
{{ form_start(form) }}
...
{{ form_end(form) }}
```
The method and action of the form default to "POST" and the current
document. If you want to change these values, you can set them explicitly in
the controller.
Alternative 1:
```php
$form = $this->createForm('my_form', $formData, array(
'method' => 'PUT',
'action' => $this->generateUrl('target_route'),
));
```
Alternative 2:
```php
$form = $this->createFormBuilder($formData)
// ...
->setMethod('PUT')
->setAction($this->generateUrl('target_route'))
->getForm();
```
It is also possible to override the method and the action in the template:
```jinja
{{ form_start(form, {'method': 'GET', 'action': 'http://example.com'}) }}
...
{{ form_end(form) }}
```
### TwigBundle
* The `Symfony\Bundle\TwigBundle\TwigDefaultEscapingStrategy` was removed
in favor of `Twig_FileExtensionEscapingStrategy`.
* The `twig:debug` command has been deprecated since Symfony 2.7 and will be
removed in Symfony 3.0. Use the `debug:twig` command instead.
### Validator
* The PHP7-incompatible constraints (`Null`, `True`, `False`) and their related
validators (`NullValidator`, `TrueValidator`, `FalseValidator`) have been
removed in favor of their `Is`-prefixed equivalent.
* The class `Symfony\Component\Validator\Mapping\Cache\ApcCache` has been removed in favor
of `Symfony\Component\Validator\Mapping\Cache\DoctrineCache`.
Before:
```php
use Symfony\Component\Validator\Mapping\Cache\ApcCache;
$cache = new ApcCache('symfony.validator');
```
After:
```php
use Symfony\Component\Validator\Mapping\Cache\DoctrineCache;
use Doctrine\Common\Cache\ApcCache;
$apcCache = new ApcCache();
$apcCache->setNamespace('symfony.validator');
$cache = new DoctrineCache($apcCache);
```
* The constraints `Optional` and `Required` were moved to the
`Symfony\Component\Validator\Constraints\` namespace. You should adapt
the path wherever you used them.
Before:
```php
use Symfony\Component\Validator\Constraints as Assert;
/**
* @Assert\Collection({
* "foo" = @Assert\Collection\Required(),
* "bar" = @Assert\Collection\Optional(),
* })
*/
private $property;
```
After:
```php
use Symfony\Component\Validator\Constraints as Assert;
/**
* @Assert\Collection({
* "foo" = @Assert\Required(),
* "bar" = @Assert\Optional(),
* })
*/
private $property;
```
* The option "`methods`" of the `Callback` constraint was removed. You should
use the option "`callback`" instead. If you have multiple callbacks, add
multiple callback constraints instead.
Before (YAML):
```yaml
constraints:
- Callback: [firstCallback, secondCallback]
```
After (YAML):
```yaml
constraints:
- Callback: firstCallback
- Callback: secondCallback
```
When using annotations, you can now put the `Callback` constraint directly on
the method that should be executed.
Before (Annotations):
```php
use Symfony\Component\Validator\Constraints as Assert;
use Symfony\Component\Validator\ExecutionContextInterface;
/**
* @Assert\Callback({"callback"})
*/
class MyClass
{
public function callback(ExecutionContextInterface $context)
{
// ...
}
}
```
After (Annotations):
```php
use Symfony\Component\Validator\Constraints as Assert;
use Symfony\Component\Validator\ExecutionContextInterface;
class MyClass
{
/**
* @Assert\Callback
*/
public function callback(ExecutionContextInterface $context)
{
// ...
}
}
```
* The interface `ValidatorInterface` was replaced by the more powerful
interface `Validator\ValidatorInterface`. The signature of the `validate()`
method is slightly different in that interface and accepts a value, zero
or more constraints and validation group. It replaces both
`validate()` and `validateValue()` in the previous interface.
Before:
```php
$validator->validate($object, 'Strict');
$validator->validateValue($value, new NotNull());
```
After:
```php
$validator->validate($object, null, 'Strict');
$validator->validate($value, new NotNull());
```
Apart from this change, the new methods `startContext()` and `inContext()`
were added. The first of them allows to run multiple validations in the
same context and aggregate their violations:
```php
$violations = $validator->startContext()
->atPath('firstName')->validate($firstName, new NotNull())
->atPath('age')->validate($age, new Type('integer'))
->getViolations();
```
The second allows to run validation in an existing context. This is
especially useful when calling the validator from within constraint
validators:
```php
$validator->inContext($context)->validate($object);
```
Instead of a `Validator`, the validator builder now returns a
`Validator\RecursiveValidator` instead.
* The interface `ValidationVisitorInterface` and its implementation
`ValidationVisitor` were removed. The implementation of the visitor pattern
was flawed. Fixing that implementation would have drastically slowed down
the validator execution, so the visitor was removed completely instead.
Along with the visitor, the method `accept()` was removed from
`MetadataInterface`.
* The interface `MetadataInterface` was moved to the `Mapping` namespace.
Before:
```php
use Symfony\Component\Validator\MetadataInterface;
```
After:
```php
use Symfony\Component\Validator\Mapping\MetadataInterface;
```
The methods `getCascadingStrategy()` and `getTraversalStrategy()` were
added to the interface. The first method should return a bit mask of the
constants in class `CascadingStrategy`. The second should return a bit
mask of the constants in `TraversalStrategy`.
Example:
```php
use Symfony\Component\Validator\Mapping\TraversalStrategy;
public function getTraversalStrategy()
{
return TraversalStrategy::TRAVERSE;
}
```
* The interface `PropertyMetadataInterface` was moved to the `Mapping`
namespace.
Before:
```php
use Symfony\Component\Validator\PropertyMetadataInterface;
```
After:
```php
use Symfony\Component\Validator\Mapping\PropertyMetadataInterface;
```
* The interface `PropertyMetadataContainerInterface` was moved to the `Mapping`
namespace and renamed to `ClassMetadataInterface`.
Before:
```php
use Symfony\Component\Validator\PropertyMetadataContainerInterface;
```
After:
```php
use Symfony\Component\Validator\Mapping\ClassMetadataInterface;
```
The interface now contains four additional methods:
* `getConstrainedProperties()`
* `hasGroupSequence()`
* `getGroupSequence()`
* `isGroupSequenceProvider()`
See the inline documentation of these methods for more information.
* The interface `ClassBasedInterface` was removed. You should use
`Mapping\ClassMetadataInterface` instead:
Before:
```php
use Symfony\Component\Validator\ClassBasedInterface;
class MyClassMetadata implements ClassBasedInterface
{
// ...
}
```
After:
```php
use Symfony\Component\Validator\Mapping\ClassMetadataInterface;
class MyClassMetadata implements ClassMetadataInterface
{
// ...
}
```
* The class `ElementMetadata` was renamed to `GenericMetadata`.
Before:
```php
use Symfony\Component\Validator\Mapping\ElementMetadata;
class MyMetadata extends ElementMetadata
{
}
```
After:
```php
use Symfony\Component\Validator\Mapping\GenericMetadata;
class MyMetadata extends GenericMetadata
{
}
```
* The interface `ExecutionContextInterface` and its implementation
`ExecutionContext` were moved to the `Context` namespace.
Before:
```php
use Symfony\Component\Validator\ExecutionContextInterface;
```
After:
```php
use Symfony\Component\Validator\Context\ExecutionContextInterface;
```
The interface now contains the following additional methods:
* `getValidator()`
* `getObject()`
* `setNode()`
* `setGroup()`
* `markGroupAsValidated()`
* `isGroupValidated()`
* `markConstraintAsValidated()`
* `isConstraintValidated()`
See the inline documentation of these methods for more information.
The method `addViolationAt()` was removed. You should use `buildViolation()`
instead.
Before:
```php
$context->addViolationAt('property', 'The value {{ value }} is invalid.', array(
'{{ value }}' => $invalidValue,
));
```
After:
```php
$context->buildViolation('The value {{ value }} is invalid.')
->atPath('property')
->setParameter('{{ value }}', $invalidValue)
->addViolation();
```
The methods `validate()` and `validateValue()` were removed. You should use
`getValidator()` together with `inContext()` instead.
Before:
```php
$context->validate($object);
```
After:
```php
$context->getValidator()
->inContext($context)
->validate($object);
```
The parameters `$invalidValue`, `$plural` and `$code` were removed from
`addViolation()`. You should use `buildViolation()` instead. See above for
an example.
The method `getMetadataFactory()` was removed. You can use `getValidator()`
instead and use the methods `getMetadataFor()` or `hasMetadataFor()` on the
validator instance.
Before:
```php
$metadata = $context->getMetadataFactory()->getMetadataFor($myClass);
```
After:
```php
$metadata = $context->getValidator()->getMetadataFor($myClass);
```
* The interface `GlobalExecutionContextInterface` was removed. Most of the
information provided by that interface can be queried from
`Context\ExecutionContextInterface` instead.
* The interface `MetadataFactoryInterface` was moved to the `Mapping\Factory`
namespace along with its implementations `BlackholeMetadataFactory` and
`ClassMetadataFactory`. These classes were furthermore renamed to
`BlackHoleMetadataFactory` and `LazyLoadingMetadataFactory`.
Before:
```php
use Symfony\Component\Validator\Mapping\ClassMetadataFactory;
$factory = new ClassMetadataFactory($loader);
```
After:
```php
use Symfony\Component\Validator\Mapping\Factory\LazyLoadingMetadataFactory;
$factory = new LazyLoadingMetadataFactory($loader);
```
* The option `$deep` was removed from the constraint `Valid`. When traversing
arrays, nested arrays are always traversed (same behavior as before). When
traversing nested objects, their traversal strategy is used.
* The method `ValidatorBuilder::setPropertyAccessor()` was removed. The
validator now functions without a property accessor.
* The methods `getMessageParameters()` and `getMessagePluralization()` in
`ConstraintViolation` were renamed to `getParameters()` and `getPlural()`.
Before:
```php
$parameters = $violation->getMessageParameters();
$plural = $violation->getMessagePluralization();
```
After:
```php
$parameters = $violation->getParameters();
$plural = $violation->getPlural();
```
* The class `Symfony\Component\Validator\DefaultTranslator` was removed. You
should use `Symfony\Component\Translation\IdentityTranslator` instead.
Before:
```php
$translator = new \Symfony\Component\Validator\DefaultTranslator();
```
After:
```php
$translator = new \Symfony\Component\Translation\IdentityTranslator();
$translator->setLocale('en');
```
### Yaml
* Using a colon in an unquoted mapping value leads to a `ParseException`.
* Starting an unquoted string with `@`, `` ` ``, `|`, or `>` leads to a `ParseException`.
* When surrounding strings with double-quotes, you must now escape `\` characters. Not
escaping those characters (when surrounded by double-quotes) leads to a `ParseException`.
Before:
```yml
class: "Foo\Var"
```
After:
```yml
class: "Foo\\Var"
```
* The ability to pass file names to `Yaml::parse()` has been removed.
Before:
```php
Yaml::parse($fileName);
```
After:
```php
Yaml::parse(file_get_contents($fileName));
```
### WebProfiler
* The `profiler:import` and `profiler:export` commands have been removed.
* All the profiler storages different than `FileProfilerStorage` have been
removed. The removed classes are:
- `Symfony\Component\HttpKernel\Profiler\BaseMemcacheProfilerStorage`
- `Symfony\Component\HttpKernel\Profiler\MemcachedProfilerStorage`
- `Symfony\Component\HttpKernel\Profiler\MemcacheProfilerStorage`
- `Symfony\Component\HttpKernel\Profiler\MongoDbProfilerStorage`
- `Symfony\Component\HttpKernel\Profiler\MysqlProfilerStorage`
- `Symfony\Component\HttpKernel\Profiler\PdoProfilerStorage`
- `Symfony\Component\HttpKernel\Profiler\RedisProfilerStorage`
- `Symfony\Component\HttpKernel\Profiler\SqliteProfilerStorage`
### Process
* `Process::setStdin()` and `Process::getStdin()` have been removed. Use
`Process::setInput()` and `Process::getInput()` that works the same way.
* `Process::setInput()` and `ProcessBuilder::setInput()` do not accept non-scalar types.
### Monolog Bridge
* `Symfony\Bridge\Monolog\Logger::emerg()` was removed. Use `emergency()` which is PSR-3 compatible.
* `Symfony\Bridge\Monolog\Logger::crit()` was removed. Use `critical()` which is PSR-3 compatible.
* `Symfony\Bridge\Monolog\Logger::err()` was removed. Use `error()` which is PSR-3 compatible.
* `Symfony\Bridge\Monolog\Logger::warn()` was removed. Use `warning()` which is PSR-3 compatible.
### Swiftmailer Bridge
* `Symfony\Bridge\Swiftmailer\DataCollector\MessageDataCollector` was removed. Use the `Symfony\Bundle\SwiftmailerBundle\DataCollector\MessageDataCollector` class instead.
### HttpFoundation
* `Symfony\Component\HttpFoundation\Session\Flash\FlashBagInterface` no longer implements the `IteratorAggregate` interface. Use the `all()` method instead of iterating over the flash bag.
* Removed the feature that allowed finding deep items in `ParameterBag::get()`.
This may affect you when getting parameters from the `Request` class:
Before:
```php
$request->query->get('foo[bar]', null, true);
```
After:
```php
$request->query->get('foo')[bar];
```
| .. | |||||
| .composer | |||||
| src | |||||
| .editorconfig | |||||
| .gitignore | |||||
| .php_cs | |||||
| .travis.yml | |||||
| CHANGELOG-3.0.md | |||||
| CONTRIBUTING.md | |||||
| CONTRIBUTORS.md | |||||
| LICENSE | |||||
| README.md | |||||
| UPGRADE-3.0.md | |||||
| appveyor.yml | |||||
| composer.json | |||||
| phpunit | |||||
| phpunit.xml.dist |