symfony · nicolas-grekas · May 29, 2019 · May 29, 2019
diff --git a/src/Symfony/Component/Form/AbstractExtension.php b/src/Symfony/Component/Form/AbstractExtension.php
@@ -175,16 +175,9 @@ private function initTypeExtensions()
                 throw new UnexpectedTypeException($extension, 'Symfony\Component\Form\FormTypeExtensionInterface');
             }
 
-            if (method_exists($extension, 'getExtendedTypes')) {
-                $extendedTypes = [];
-
-                foreach ($extension::getExtendedTypes() as $extendedType) {
-                    $extendedTypes[] = $extendedType;
-                }
-            } else {
-                @trigger_error(sprintf('Not implementing the static getExtendedTypes() method in %s when implementing the %s is deprecated since Symfony 4.2. The method will be added to the interface in 5.0.', \get_class($extension), FormTypeExtensionInterface::class), E_USER_DEPRECATED);
-
-                $extendedTypes = [$extension->getExtendedType()];
+            $extendedTypes = [];
+            foreach ($extension::getExtendedTypes() as $extendedType) {
+                $extendedTypes[] = $extendedType;
             }
 
             foreach ($extendedTypes as $extendedType) {

diff --git a/src/Symfony/Component/Form/AbstractTypeExtension.php b/src/Symfony/Component/Form/AbstractTypeExtension.php
@@ -11,7 +11,6 @@
 
 namespace Symfony\Component\Form;
 
-use Symfony\Component\Form\Exception\LogicException;
 use Symfony\Component\OptionsResolver\OptionsResolver;
 
 /**
@@ -46,22 +45,4 @@ public function finishView(FormView $view, FormInterface $form, array $options)
     public function configureOptions(OptionsResolver $resolver)
     {
     }
-
-    /**
-     * {@inheritdoc}
-     *
-     * @deprecated since Symfony 4.2, use getExtendedTypes() instead.
-     */
-    public function getExtendedType()
-    {
-        if (!method_exists($this, 'getExtendedTypes')) {
-            throw new LogicException(sprintf('You need to implement the static getExtendedTypes() method when implementing the %s in %s.', FormTypeExtensionInterface::class, static::class));
-        }
-
-        @trigger_error(sprintf('The %s::getExtendedType() method is deprecated since Symfony 4.2 and will be removed in 5.0. Use getExtendedTypes() instead.', \get_class($this)), E_USER_DEPRECATED);
-
-        foreach (static::getExtendedTypes() as $extendedType) {
-            return $extendedType;
-        }
-    }
 }
diff --git a/src/Symfony/Component/Form/CHANGELOG.md b/src/Symfony/Component/Form/CHANGELOG.md
@@ -5,6 +5,8 @@ CHANGELOG
 -----
 
  * removed the `ChoiceLoaderInterface` implementation in `CountryType`, `LanguageType`, `LocaleType` and `CurrencyType`
+ * removed `getExtendedType()` method of the `FormTypeExtensionInterface`
+ * added static `getExtendedTypes()` method to the `FormTypeExtensionInterface`
 
 4.3.0
 -----

diff --git a/src/Symfony/Component/Form/DependencyInjection/FormPass.php b/src/Symfony/Component/Form/DependencyInjection/FormPass.php
@@ -18,7 +18,6 @@
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
 use Symfony\Component\DependencyInjection\Reference;
-use Symfony\Component\Form\FormTypeExtensionInterface;
 
 /**
  * Adds all services with the tags "form.type", "form.type_extension" and
@@ -95,13 +94,9 @@ private function processFormTypeExtensions(ContainerBuilder $container)
             $typeExtensionClass = $container->getParameterBag()->resolveValue($serviceDefinition->getClass());
 
             if (isset($tag[0]['extended_type'])) {
-                if (!method_exists($typeExtensionClass, 'getExtendedTypes')) {
-                    @trigger_error(sprintf('Not implementing the static getExtendedTypes() method in %s when implementing the %s is deprecated since Symfony 4.2. The method will be added to the interface in 5.0.', $typeExtensionClass, FormTypeExtensionInterface::class), E_USER_DEPRECATED);
-                }
-
                 $typeExtensions[$tag[0]['extended_type']][] = new Reference($serviceId);
                 $typeExtensionsClasses[] = $typeExtensionClass;
-            } elseif (method_exists($typeExtensionClass, 'getExtendedTypes')) {
+            } else {
                 $extendsTypes = false;
 
                 $typeExtensionsClasses[] = $typeExtensionClass;
@@ -113,8 +108,6 @@ private function processFormTypeExtensions(ContainerBuilder $container)
                 if (!$extendsTypes) {
                     throw new InvalidArgumentException(sprintf('The getExtendedTypes() method for service "%s" does not return any extended types.', $serviceId));
                 }
-            } else {
-                throw new InvalidArgumentException(sprintf('"%s" tagged services have to implement the static getExtendedTypes() method. Class "%s" for service "%s" does not implement it.', $this->formTypeExtensionTag, $typeExtensionClass, $serviceId));
             }
         }
 

diff --git a/src/Symfony/Component/Form/Extension/DependencyInjection/DependencyInjectionExtension.php b/src/Symfony/Component/Form/Extension/DependencyInjection/DependencyInjectionExtension.php
@@ -58,17 +58,12 @@ public function getTypeExtensions($name)
             foreach ($this->typeExtensionServices[$name] as $serviceId => $extension) {
                 $extensions[] = $extension;
 
-                if (method_exists($extension, 'getExtendedTypes')) {
-                    $extendedTypes = [];
-
-                    foreach ($extension::getExtendedTypes() as $extendedType) {
-                        $extendedTypes[] = $extendedType;
-                    }
-                } else {
-                    $extendedTypes = [$extension->getExtendedType()];
+                $extendedTypes = [];
+                foreach ($extension::getExtendedTypes() as $extendedType) {
+                    $extendedTypes[] = $extendedType;
                 }
 
-                // validate the result of getExtendedTypes()/getExtendedType() to ensure it is consistent with the service definition
+                // validate the result of getExtendedTypes() to ensure it is consistent with the service definition
                 if (!\in_array($name, $extendedTypes, true)) {
                     throw new InvalidArgumentException(sprintf('The extended type specified for the service "%s" does not match the actual extended type. Expected "%s", given "%s".', $serviceId, $name, implode(', ', $extendedTypes)));
                 }

diff --git a/src/Symfony/Component/Form/FormFactoryBuilder.php b/src/Symfony/Component/Form/FormFactoryBuilder.php
@@ -112,12 +112,8 @@ public function addTypes(array $types)
      */
     public function addTypeExtension(FormTypeExtensionInterface $typeExtension)
     {
-        if (method_exists($typeExtension, 'getExtendedTypes')) {
-            foreach ($typeExtension::getExtendedTypes() as $extendedType) {
-                $this->typeExtensions[$extendedType][] = $typeExtension;
-            }
-        } else {
-            $this->typeExtensions[$typeExtension->getExtendedType()][] = $typeExtension;
+        foreach ($typeExtension::getExtendedTypes() as $extendedType) {
+            $this->typeExtensions[$extendedType][] = $typeExtension;
         }
 
         return $this;

diff --git a/src/Symfony/Component/Form/FormTypeExtensionInterface.php b/src/Symfony/Component/Form/FormTypeExtensionInterface.php
@@ -15,8 +15,6 @@
 
 /**
  * @author Bernhard Schussek <bschussek@gmail.com>
- *
- * @method static iterable getExtendedTypes() Gets the extended types - not implementing it is deprecated since Symfony 4.2
  */
 interface FormTypeExtensionInterface
 {
@@ -58,11 +56,9 @@ public function finishView(FormView $view, FormInterface $form, array $options);
     public function configureOptions(OptionsResolver $resolver);
 
     /**
-     * Returns the name of the type being extended.
-     *
-     * @return string The name of the type being extended
+     * Gets the extended types.
      *
-     * @deprecated since Symfony 4.2, use getExtendedTypes() instead.
+     * @return string[]
      */
-    public function getExtendedType();
+    public static function getExtendedTypes(): iterable;
 }
diff --git a/src/Symfony/Component/Form/PreloadedExtension.php b/src/Symfony/Component/Form/PreloadedExtension.php
@@ -33,14 +33,6 @@ class PreloadedExtension implements FormExtensionInterface
      */
     public function __construct(array $types, array $typeExtensions, FormTypeGuesserInterface $typeGuesser = null)
     {
-        foreach ($typeExtensions as $extensions) {
-            foreach ($extensions as $typeExtension) {
-                if (!method_exists($typeExtension, 'getExtendedTypes')) {
-                    @trigger_error(sprintf('Not implementing the static getExtendedTypes() method in %s when implementing the %s is deprecated since Symfony 4.2. The method will be added to the interface in 5.0.', \get_class($typeExtension), FormTypeExtensionInterface::class), E_USER_DEPRECATED);
-                }
-            }
-        }
-
         $this->typeExtensions = $typeExtensions;
         $this->typeGuesser = $typeGuesser;
 

diff --git a/src/Symfony/Component/Form/Tests/AbstractTypeExtensionTest.php b/src/Symfony/Component/Form/Tests/AbstractTypeExtensionTest.php
diff --git a/src/Symfony/Component/Form/Tests/DependencyInjection/FormPassTest.php b/src/Symfony/Component/Form/Tests/DependencyInjection/FormPassTest.php
@@ -219,87 +219,6 @@ public function addTaggedTypeExtensionsDataProvider()
         ];
     }
 
-    /**
-     * @group legacy
-     * @dataProvider addLegacyTaggedTypeExtensionsDataProvider
-     */
-    public function testAddLegacyTaggedTypeExtensions(array $extensions, array $expectedRegisteredExtensions)
-    {
-        $container = $this->createContainerBuilder();
-
-        $container->setDefinition('form.extension', $this->createExtensionDefinition());
-
-        foreach ($extensions as $serviceId => $tag) {
-            $container->register($serviceId, 'stdClass')->addTag('form.type_extension', $tag);
-        }
-
-        $container->compile();
-
-        $extDefinition = $container->getDefinition('form.extension');
-        $this->assertEquals($expectedRegisteredExtensions, $extDefinition->getArgument(1));
-    }
-
-    /**
-     * @return array
-     */
-    public function addLegacyTaggedTypeExtensionsDataProvider()
-    {
-        return [
-            [
-                [
-                    'my.type_extension1' => ['extended_type' => 'type1'],
-                    'my.type_extension2' => ['extended_type' => 'type1'],
-                    'my.type_extension3' => ['extended_type' => 'type2'],
-                ],
-                [
-                    'type1' => new IteratorArgument([
-                        new Reference('my.type_extension1'),
-                        new Reference('my.type_extension2'),
-                    ]),
-                    'type2' => new IteratorArgument([new Reference('my.type_extension3')]),
-                ],
-            ],
-            [
-                [
-                    'my.type_extension1' => ['extended_type' => 'type1', 'priority' => 1],
-                    'my.type_extension2' => ['extended_type' => 'type1', 'priority' => 2],
-                    'my.type_extension3' => ['extended_type' => 'type1', 'priority' => -1],
-                    'my.type_extension4' => ['extended_type' => 'type2', 'priority' => 2],
-                    'my.type_extension5' => ['extended_type' => 'type2', 'priority' => 1],
-                    'my.type_extension6' => ['extended_type' => 'type2', 'priority' => 1],
-                ],
-                [
-                    'type1' => new IteratorArgument([
-                        new Reference('my.type_extension2'),
-                        new Reference('my.type_extension1'),
-                        new Reference('my.type_extension3'),
-                    ]),
-                    'type2' => new IteratorArgument([
-                        new Reference('my.type_extension4'),
-                        new Reference('my.type_extension5'),
-                        new Reference('my.type_extension6'),
-                    ]),
-                ],
-            ],
-        ];
-    }
-
-    /**
-     * @expectedException \InvalidArgumentException
-     * @expectedExceptionMessage "form.type_extension" tagged services have to implement the static getExtendedTypes() method. Class "stdClass" for service "my.type_extension" does not implement it.
-     */
-    public function testAddTaggedFormTypeExtensionWithoutExtendedTypeAttributeNorImplementingGetExtendedTypes()
-    {
-        $container = $this->createContainerBuilder();
-
-        $container->setDefinition('form.extension', $this->createExtensionDefinition());
-        $container->register('my.type_extension', 'stdClass')
-            ->setPublic(true)
-            ->addTag('form.type_extension');
-
-        $container->compile();
-    }
-
     /**
      * @expectedException \InvalidArgumentException
      * @expectedExceptionMessage The getExtendedTypes() method for service "my.type_extension" does not return any extended types.

diff --git a/...fony/Component/Form/Tests/Extension/DataCollector/Type/DataCollectorTypeExtensionTest.php b/...fony/Component/Form/Tests/Extension/DataCollector/Type/DataCollectorTypeExtensionTest.php
@@ -32,12 +32,9 @@ protected function setUp()
         $this->extension = new DataCollectorTypeExtension($this->dataCollector);
     }
 
-    /**
-     * @group legacy
-     */
     public function testGetExtendedType()
     {
-        $this->assertEquals('Symfony\Component\Form\Extension\Core\Type\FormType', $this->extension->getExtendedType());
+        $this->assertEquals(['Symfony\Component\Form\Extension\Core\Type\FormType'], $this->extension::getExtendedTypes());
     }
 
     public function testBuildForm()

diff --git a/src/Symfony/Component/Form/Tests/ResolvedFormTypeTest.php b/src/Symfony/Component/Form/Tests/ResolvedFormTypeTest.php
@@ -371,7 +371,7 @@ private function getMockFormType($typeClass = 'Symfony\Component\Form\AbstractTy
      */
     private function getMockFormTypeExtension()
     {
-        return $this->getMockBuilder('Symfony\Component\Form\AbstractTypeExtension')->setMethods(['getExtendedType', 'configureOptions', 'finishView', 'buildView', 'buildForm'])->getMock();
+        return $this->getMockBuilder('Symfony\Component\Form\AbstractTypeExtension')->setMethods(['getExtendedTypes', 'configureOptions', 'finishView', 'buildView', 'buildForm'])->getMock();
     }
 
     /**