583 lines
14 KiB
Markdown
583 lines
14 KiB
Markdown
UPGRADE FROM 2.x to 3.0
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=======================
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### ClassLoader
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* The `UniversalClassLoader` class has been removed in favor of
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`ClassLoader`. The only difference is that some method names are different:
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* `registerNamespaces()` -> `addPrefixes()`
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* `registerPrefixes()` -> `addPrefixes()`
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* `registerNamespaces()` -> `addPrefix()`
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* `registerPrefixes()` -> `addPrefix()`
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* `getNamespaces()` -> `getPrefixes()`
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* `getNamespaceFallbacks()` -> `getFallbackDirs()`
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* `getPrefixFallbacks()` -> `getFallbackDirs()`
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* The `DebugUniversalClassLoader` class has been removed in favor of
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`DebugClassLoader`. The difference is that the constructor now takes a
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loader to wrap.
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### EventDispatcher
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* The interface `Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcherInterface`
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extends `Symfony\Component\EventDispatcher\EventDispatcherInterface`.
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### Form
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* The methods `Form::bind()` and `Form::isBound()` were removed. You should
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use `Form::submit()` and `Form::isSubmitted()` instead.
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Before:
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```
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$form->bind(array(...));
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```
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After:
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```
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$form->submit(array(...));
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```
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* Passing a `Symfony\Component\HttpFoundation\Request` instance, as was
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supported by `FormInterface::bind()`, is not possible with
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`FormInterface::submit()` anymore. You should use `FormInterface::handleRequest()`
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instead.
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Before:
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```
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if ('POST' === $request->getMethod()) {
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$form->bind($request);
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if ($form->isValid()) {
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// ...
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}
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}
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```
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After:
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```
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$form->handleRequest($request);
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if ($form->isValid()) {
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// ...
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}
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```
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If you want to test whether the form was submitted separately, you can use
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the method `isSubmitted()`:
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```
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$form->handleRequest($request);
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if ($form->isSubmitted()) {
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// ...
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if ($form->isValid()) {
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// ...
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}
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}
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```
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* The events PRE_BIND, BIND and POST_BIND were renamed to PRE_SUBMIT, SUBMIT
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and POST_SUBMIT.
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Before:
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```
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$builder->addEventListener(FormEvents::PRE_BIND, function (FormEvent $event) {
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// ...
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});
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```
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After:
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```
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$builder->addEventListener(FormEvents::PRE_SUBMIT, function (FormEvent $event) {
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// ...
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});
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```
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* The option "virtual" was renamed to "inherit_data".
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Before:
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```
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$builder->add('address', 'form', array(
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'virtual' => true,
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));
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```
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After:
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```
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$builder->add('address', 'form', array(
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'inherit_data' => true,
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));
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```
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* The class VirtualFormAwareIterator was renamed to InheritDataAwareIterator.
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Before:
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```
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use Symfony\Component\Form\Util\VirtualFormAwareIterator;
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$iterator = new VirtualFormAwareIterator($forms);
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```
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After:
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```
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use Symfony\Component\Form\Util\InheritDataAwareIterator;
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$iterator = new InheritDataAwareIterator($forms);
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```
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* The `TypeTestCase` class was moved from the `Symfony\Component\Form\Tests\Extension\Core\Type` namespace to the `Symfony\Component\Form\Test` namespace.
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Before:
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```
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use Symfony\Component\Form\Tests\Extension\Core\Type\TypeTestCase
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class MyTypeTest extends TypeTestCase
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{
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// ...
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}
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```
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After:
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```
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use Symfony\Component\Form\Test\TypeTestCase;
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class MyTypeTest extends TypeTestCase
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{
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// ...
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}
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```
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* The `FormIntegrationTestCase` and `FormPerformanceTestCase` classes were moved form the `Symfony\Component\Form\Tests` namespace to the `Symfony\Component\Form\Test` namespace.
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* The constants `ROUND_HALFEVEN`, `ROUND_HALFUP` and `ROUND_HALFDOWN` in class
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`NumberToLocalizedStringTransformer` were renamed to `ROUND_HALF_EVEN`,
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`ROUND_HALF_UP` and `ROUND_HALF_DOWN`.
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* The methods `ChoiceListInterface::getIndicesForChoices()` and
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`ChoiceListInterface::getIndicesForValues()` were removed. No direct
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replacement exists, although in most cases
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`ChoiceListInterface::getChoicesForValues()` and
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`ChoiceListInterface::getValuesForChoices()` should be sufficient.
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* The interface `Symfony\Component\Form\Extension\Csrf\CsrfProvider\CsrfProviderInterface`
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and all of its implementations were removed. Use the new interface
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`Symfony\Component\Security\Csrf\CsrfTokenManagerInterface` instead.
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* The options "csrf_provider" and "intention" were renamed to "csrf_token_generator"
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and "csrf_token_id".
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### FrameworkBundle
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* The `getRequest` method of the base `Controller` class has been deprecated
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since Symfony 2.4 and must be therefore removed in 3.0. The only reliable
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way to get the `Request` object is to inject it in the action method.
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Before:
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```
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namespace Acme\FooBundle\Controller;
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class DemoController
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{
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public function showAction()
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{
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$request = $this->getRequest();
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// ...
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}
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}
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```
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After:
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```
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namespace Acme\FooBundle\Controller;
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use Symfony\Component\HttpFoundation\Request;
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class DemoController
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{
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public function showAction(Request $request)
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{
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// ...
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}
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}
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```
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* The `request` service was removed. You must inject the `request_stack`
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service instead.
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* The `enctype` method of the `form` helper was removed. You should use the
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new method `start` instead.
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Before:
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```
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<form method="post" action="http://example.com" <?php echo $view['form']->enctype($form) ?>>
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...
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</form>
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```
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After:
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```
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<?php echo $view['form']->start($form) ?>
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...
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<?php echo $view['form']->end($form) ?>
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```
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The method and action of the form default to "POST" and the current
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document. If you want to change these values, you can set them explicitly in
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the controller.
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Alternative 1:
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```
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$form = $this->createForm('my_form', $formData, array(
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'method' => 'PUT',
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'action' => $this->generateUrl('target_route'),
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));
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```
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Alternative 2:
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```
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$form = $this->createFormBuilder($formData)
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// ...
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->setMethod('PUT')
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->setAction($this->generateUrl('target_route'))
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->getForm();
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```
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It is also possible to override the method and the action in the template:
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```
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<?php echo $view['form']->start($form, array('method' => 'GET', 'action' => 'http://example.com')) ?>
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...
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<?php echo $view['form']->end($form) ?>
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```
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* The `RouterApacheDumperCommand` was removed.
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### HttpKernel
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* The `Symfony\Component\HttpKernel\Log\LoggerInterface` has been removed in
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favor of `Psr\Log\LoggerInterface`. The only difference is that some method
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names are different:
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* `emerg()` -> `emergency()`
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* `crit()` -> `critical()`
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* `err()` -> `error()`
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* `warn()` -> `warning()`
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The previous method renames also happened to the following classes:
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* `Symfony\Bridge\Monolog\Logger`
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* `Symfony\Component\HttpKernel\Log\NullLogger`
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* The `Symfony\Component\HttpKernel\Kernel::init()` method has been removed.
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* The following classes have been renamed as they have been moved to the
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Debug component:
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* `Symfony\Component\HttpKernel\Debug\ErrorHandler` -> `Symfony\Component\Debug\ErrorHandler`
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* `Symfony\Component\HttpKernel\Debug\ExceptionHandler` -> `Symfony\Component\Debug\ExceptionHandler`
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* `Symfony\Component\HttpKernel\Exception\FatalErrorException` -> `Symfony\Component\Debug\Exception\FatalErrorException`
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* `Symfony\Component\HttpKernel\Exception\FlattenException` -> `Symfony\Component\Debug\Exception\FlattenException`
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* The `Symfony\Component\HttpKernel\EventListener\ExceptionListener` now
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passes the Request format as the `_format` argument instead of `format`.
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* The `Symfony\Component\HttpKernel\DependencyInjection\RegisterListenersPass` has been renamed to
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`Symfony\Component\EventDispatcher\DependencyInjection\RegisterListenersPass` and moved to the EventDispatcher component.
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### Locale
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* The Locale component was removed and replaced by the Intl component.
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Instead of the methods in `Symfony\Component\Locale\Locale`, you should use
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these equivalent methods in `Symfony\Component\Intl\Intl` now:
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* `Locale::getDisplayCountries()` -> `Intl::getRegionBundle()->getCountryNames()`
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* `Locale::getCountries()` -> `array_keys(Intl::getRegionBundle()->getCountryNames())`
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* `Locale::getDisplayLanguages()` -> `Intl::getLanguageBundle()->getLanguageNames()`
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* `Locale::getLanguages()` -> `array_keys(Intl::getLanguageBundle()->getLanguageNames())`
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* `Locale::getDisplayLocales()` -> `Intl::getLocaleBundle()->getLocaleNames()`
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* `Locale::getLocales()` -> `array_keys(Intl::getLocaleBundle()->getLocaleNames())`
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### PropertyAccess
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* Renamed `PropertyAccess::getPropertyAccessor` to `createPropertyAccessor`.
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Before:
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```
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use Symfony\Component\PropertyAccess\PropertyAccess;
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$accessor = PropertyAccess::getPropertyAccessor();
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```
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After:
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```
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use Symfony\Component\PropertyAccess\PropertyAccess;
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$accessor = PropertyAccess::createPropertyAccessor();
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```
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### Routing
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* Some route settings have been renamed:
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* The `pattern` setting for a route has been deprecated in favor of `path`
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* The `_scheme` and `_method` requirements have been moved to the `schemes` and `methods` settings
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Before:
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```
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article_edit:
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pattern: /article/{id}
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requirements: { '_method': 'POST|PUT', '_scheme': 'https', 'id': '\d+' }
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<route id="article_edit" pattern="/article/{id}">
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<requirement key="_method">POST|PUT</requirement>
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<requirement key="_scheme">https</requirement>
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<requirement key="id">\d+</requirement>
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</route>
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$route = new Route();
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$route->setPattern('/article/{id}');
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$route->setRequirement('_method', 'POST|PUT');
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$route->setRequirement('_scheme', 'https');
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```
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After:
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```
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article_edit:
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path: /article/{id}
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methods: [POST, PUT]
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schemes: https
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requirements: { 'id': '\d+' }
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<route id="article_edit" path="/article/{id}" methods="POST PUT" schemes="https">
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<requirement key="id">\d+</requirement>
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</route>
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$route = new Route();
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$route->setPath('/article/{id}');
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$route->setMethods(array('POST', 'PUT'));
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$route->setSchemes('https');
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```
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* The `ApacheMatcherDumper` and `ApacheUrlMatcher` were removed since
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the performance gains were minimal and it's hard to replicate the behaviour
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of PHP implementation.
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### Security
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* The `Resources/` directory was moved to `Core/Resources/`
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### Translator
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* The `Translator::setFallbackLocale()` method has been removed in favor of
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`Translator::setFallbackLocales()`.
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### Twig Bridge
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* The `render` tag is deprecated in favor of the `render` function.
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* The `form_enctype` helper was removed. You should use the new `form_start`
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function instead.
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Before:
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```
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<form method="post" action="http://example.com" {{ form_enctype(form) }}>
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...
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</form>
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```
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After:
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```
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{{ form_start(form) }}
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...
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{{ form_end(form) }}
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```
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The method and action of the form default to "POST" and the current
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document. If you want to change these values, you can set them explicitly in
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the controller.
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Alternative 1:
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```
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$form = $this->createForm('my_form', $formData, array(
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'method' => 'PUT',
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'action' => $this->generateUrl('target_route'),
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));
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```
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Alternative 2:
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```
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$form = $this->createFormBuilder($formData)
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// ...
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->setMethod('PUT')
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->setAction($this->generateUrl('target_route'))
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->getForm();
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```
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It is also possible to override the method and the action in the template:
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```
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{{ form_start(form, {'method': 'GET', 'action': 'http://example.com'}) }}
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...
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{{ form_end(form) }}
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```
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### Validator
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* The class `Symfony\Component\Validator\Mapping\Cache\ApcCache` has been removed in favor
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of `Symfony\Component\Validator\Mapping\Cache\DoctrineCache`.
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Before:
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```
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use Symfony\Component\Validator\Mapping\Cache\ApcCache;
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$cache = new ApcCache('symfony.validator');
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```
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After:
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```
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use Symfony\Component\Validator\Mapping\Cache\DoctrineCache;
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use Doctrine\Common\Cache\ApcCache;
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$apcCache = new ApcCache();
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$apcCache->setNamespace('symfony.validator');
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$cache = new DoctrineCache($apcCache);
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```
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* The constraints `Optional` and `Required` were moved to the
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`Symfony\Component\Validator\Constraints\` namespace. You should adapt
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the path wherever you used them.
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Before:
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```
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use Symfony\Component\Validator\Constraints as Assert;
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/**
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* @Assert\Collection({
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* "foo" = @Assert\Collection\Required(),
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* "bar" = @Assert\Collection\Optional(),
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* })
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*/
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private $property;
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```
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After:
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```
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use Symfony\Component\Validator\Constraints as Assert;
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/**
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* @Assert\Collection({
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* "foo" = @Assert\Required(),
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* "bar" = @Assert\Optional(),
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* })
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*/
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private $property;
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```
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* The option "methods" of the `Callback` constraint was removed. You should
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use the option "callback" instead. If you have multiple callbacks, add
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multiple callback constraints instead.
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Before (YAML):
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```
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constraints:
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- Callback: [firstCallback, secondCallback]
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```
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After (YAML):
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```
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constraints:
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- Callback: firstCallback
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- Callback: secondCallback
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```
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When using annotations, you can now put the Callback constraint directly on
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the method that should be executed.
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Before (Annotations):
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```
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use Symfony\Component\Validator\Constraints as Assert;
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use Symfony\Component\Validator\ExecutionContextInterface;
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/**
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* @Assert\Callback({"callback"})
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*/
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class MyClass
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{
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public function callback(ExecutionContextInterface $context)
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{
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// ...
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}
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}
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```
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|
After (Annotations):
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```
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use Symfony\Component\Validator\Constraints as Assert;
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use Symfony\Component\Validator\ExecutionContextInterface;
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class MyClass
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{
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/**
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* @Assert\Callback
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*/
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public function callback(ExecutionContextInterface $context)
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{
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// ...
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}
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}
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```
|
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|
|
### Yaml
|
|
|
|
* The ability to pass file names to `Yaml::parse()` has been removed.
|
|
|
|
Before:
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|
```
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Yaml::parse($fileName);
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```
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After:
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```
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Yaml::parse(file_get_contents($fileName));
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```
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