removed obsolete code

src/Silex/Provider/AssetServiceProvider.php

@@ -72,10 +72,6 @@ class AssetServiceProvider implements ServiceProviderInterface
             }
 
             if ($jsonManifestPath) {
-                if (!class_exists('Symfony\Component\Asset\VersionStrategy\JsonManifestVersionStrategy')) {
-                    throw new \RuntimeException('You must require symfony/asset >= 3.3 to use JSON manifest version strategy.');
-                }
-
                 return new JsonManifestVersionStrategy($jsonManifestPath);
             }
 

src/Silex/Provider/MonologServiceProvider.php

@@ -19,7 +19,6 @@ use Monolog\Handler;
 use Monolog\ErrorHandler;
 use Silex\Application;
 use Silex\Api\BootableProviderInterface;
-use Symfony\Bridge\Monolog\Handler\DebugHandler;
 use Symfony\Bridge\Monolog\Handler\FingersCrossed\NotFoundActivationStrategy;
 use Symfony\Bridge\Monolog\Processor\DebugProcessor;
 use Silex\EventListener\LogListener;
@@ -38,12 +37,6 @@ class MonologServiceProvider implements ServiceProviderInterface, BootableProvid
         };
 
         if ($bridge = class_exists('Symfony\Bridge\Monolog\Logger')) {
-            $app['monolog.handler.debug'] = function () use ($app) {
-                $level = MonologServiceProvider::translateLevel($app['monolog.level']);
-
-                return new DebugHandler($level);
-            };
-
             if (isset($app['request_stack'])) {
                 $app['monolog.not_found_activation_strategy'] = function () use ($app) {
                     return new NotFoundActivationStrategy($app['request_stack'], ['^/'], $app['monolog.level']);
@@ -64,11 +57,7 @@ class MonologServiceProvider implements ServiceProviderInterface, BootableProvid
             $log->pushHandler($handler);
 
             if ($app['debug'] && $bridge) {
-                if (class_exists(DebugProcessor::class)) {
-                    $log->pushProcessor(new DebugProcessor());
-                } else {
-                    $log->pushHandler($app['monolog.handler.debug']);
-                }
+                $log->pushProcessor(new DebugProcessor());
             }
 
             return $log;

src/Silex/Provider/TwigServiceProvider.php

@@ -128,7 +128,7 @@ class TwigServiceProvider implements ServiceProviderInterface
                         return new FormRenderer($app['twig.form.engine'], $csrfTokenManager);
                     };
 
-                    $twig->addExtension(new FormExtension(class_exists(HttpKernelRuntime::class) ? null : $app['twig.form.renderer']));
+                    $twig->addExtension(new FormExtension());
 
                     // add loader for Symfony built-in form templates
                     $reflected = new \ReflectionClass('Symfony\Bridge\Twig\Extension\FormExtension');

tests/Silex/Tests/ApplicationTest.php

@@ -25,7 +25,6 @@ use Symfony\Component\HttpFoundation\StreamedResponse;
 use Symfony\Component\HttpKernel\HttpKernelInterface;
 use Symfony\Component\EventDispatcher\Event;
 use Symfony\Component\Routing\RouteCollection;
-use Symfony\Component\WebLink\HttpHeaderSerializer;
 
 /**
  * Application test cases.
@@ -661,10 +660,6 @@ class ApplicationTest extends TestCase
 
     public function testWebLinkListener()
     {
-        if (!class_exists(HttpHeaderSerializer::class)) {
-            self::markTestSkipped('Symfony WebLink component is required.');
-        }
-
         $app = new Application();
 
         $app->get('/', function () {

tests/Silex/Tests/Provider/AssetServiceProviderTest.php

@@ -36,12 +36,6 @@ class AssetServiceProviderTest extends TestCase
 
     public function testJsonManifestVersionStrategy()
     {
-        if (!class_exists('Symfony\Component\Asset\VersionStrategy\JsonManifestVersionStrategy')) {
-            $this->markTestSkipped('JsonManifestVersionStrategy class is not available.');
-
-            return;
-        }
-
         $app = new Application();
         $app->register(new AssetServiceProvider(), [
             'assets.json_manifest_path' => __DIR__.'/../Fixtures/manifest.json',

tests/Silex/Tests/Provider/FormServiceProviderTest.php

@@ -23,7 +23,6 @@ use Symfony\Component\Form\AbstractTypeExtension;
 use Symfony\Component\Form\FormTypeGuesserChain;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\OptionsResolver\OptionsResolver;
-use Symfony\Component\OptionsResolver\OptionsResolverInterface;
 use Symfony\Component\Translation\Exception\NotFoundResourceException;
 
 class FormServiceProviderTest extends TestCase
@@ -313,52 +312,19 @@ class FormServiceProviderTest extends TestCase
     }
 }
 
-if (!class_exists('Symfony\Component\Form\Deprecated\FormEvents')) {
-    class DummyFormType extends AbstractType
-    {
-    }
-} else {
-    // FormTypeInterface::getName() is needed by the form component 2.8.x
-    class DummyFormType extends AbstractType
-    {
-        /**
-         * @return string The name of this type
-         */
-        public function getName()
-        {
-            return 'dummy';
-        }
-    }
+class DummyFormType extends AbstractType
+{
 }
 
-if (method_exists('Symfony\Component\Form\AbstractType', 'configureOptions')) {
-    class DummyFormTypeExtension extends AbstractTypeExtension
+class DummyFormTypeExtension extends AbstractTypeExtension
+{
+    public function getExtendedType()
     {
-        public function getExtendedType()
-        {
-            return 'Symfony\Component\Form\Extension\Core\Type\FileType';
-        }
-
-        public function configureOptions(OptionsResolver $resolver)
-        {
-            $resolver->setDefined(['image_path']);
-        }
+        return 'Symfony\Component\Form\Extension\Core\Type\FileType';
     }
-} else {
-    class DummyFormTypeExtension extends AbstractTypeExtension
-    {
-        public function getExtendedType()
-        {
-            return 'Symfony\Component\Form\Extension\Core\Type\FileType';
-        }
 
-        public function setDefaultOptions(OptionsResolverInterface $resolver)
-        {
-            if (!method_exists($resolver, 'setDefined')) {
-                $resolver->setOptional(['image_path']);
-            } else {
-                $resolver->setDefined(['image_path']);
-            }
-        }
+    public function configureOptions(OptionsResolver $resolver)
+    {
+        $resolver->setDefined(['image_path']);
     }
 }

tests/Silex/Tests/Provider/TwigServiceProviderTest.php

@@ -18,9 +18,7 @@ use Silex\Provider\CsrfServiceProvider;
 use Silex\Provider\FormServiceProvider;
 use Silex\Provider\TwigServiceProvider;
 use Silex\Provider\AssetServiceProvider;
-use Symfony\Bridge\Twig\Extension\WebLinkExtension;
 use Symfony\Component\HttpFoundation\Request;
-use Symfony\Component\WebLink\HttpHeaderSerializer;
 
 /**
  * TwigProvider test cases.
@@ -147,10 +145,6 @@ class TwigServiceProviderTest extends TestCase
 
     public function testWebLinkIntegration()
     {
-        if (!class_exists(HttpHeaderSerializer::class) || !class_exists(WebLinkExtension::class)) {
-            $this->markTestSkipped('Twig WebLink extension not available.');
-        }
-
         $app = new Application();
         $app['request_stack']->push($request = Request::create('/'));
         $app->register(new TwigServiceProvider(), [