[Components] Convert to native return types

Bundle/Bundle.php

@@ -34,27 +34,19 @@ abstract class Bundle implements BundleInterface
      */
     protected $container;
 
-    /**
-     * @return void
-     */
-    public function boot()
+    public function boot(): void
     {
     }
 
-    /**
-     * @return void
-     */
-    public function shutdown()
+    public function shutdown(): void
     {
     }
 
     /**
      * This method can be overridden to register compilation passes,
      * other extensions, ...
-     *
-     * @return void
      */
-    public function build(ContainerBuilder $container)
+    public function build(ContainerBuilder $container): void
     {
     }
 
@@ -121,10 +113,7 @@ abstract class Bundle implements BundleInterface
         return $this->name;
     }
 
-    /**
-     * @return void
-     */
-    public function registerCommands(Application $application)
+    public function registerCommands(Application $application): void
     {
     }
 

Bundle/BundleInterface.php

@@ -67,8 +67,5 @@ interface BundleInterface
      */
     public function getPath(): string;
 
-    /**
-     * @return void
-     */
-    public function setContainer(?ContainerInterface $container);
+    public function setContainer(?ContainerInterface $container): void;
 }

CacheClearer/CacheClearerInterface.php

@@ -20,8 +20,6 @@ interface CacheClearerInterface
 {
     /**
      * Clears any caches necessary.
-     *
-     * @return void
      */
-    public function clear(string $cacheDir);
+    public function clear(string $cacheDir): void;
 }

CacheClearer/Psr6CacheClearer.php

@@ -57,10 +57,7 @@ class Psr6CacheClearer implements CacheClearerInterface
         return $this->pools[$name]->clear();
     }
 
-    /**
-     * @return void
-     */
-    public function clear(string $cacheDir)
+    public function clear(string $cacheDir): void
     {
         foreach ($this->pools as $pool) {
             $pool->clear();

CacheWarmer/CacheWarmer.php

@@ -18,10 +18,7 @@ namespace Symfony\Component\HttpKernel\CacheWarmer;
  */
 abstract class CacheWarmer implements CacheWarmerInterface
 {
-    /**
-     * @return void
-     */
-    protected function writeCacheFile(string $file, $content)
+    protected function writeCacheFile(string $file, $content): void
     {
         $tmpFile = @tempnam(\dirname($file), basename($file));
         if (false !== @file_put_contents($tmpFile, $content) && @rename($tmpFile, $file)) {

CacheWarmer/CacheWarmerInterface.php

@@ -25,8 +25,6 @@ interface CacheWarmerInterface extends WarmableInterface
      *
      * A warmer should return true if the cache can be
      * generated incrementally and on-demand.
-     *
-     * @return bool
      */
-    public function isOptional();
+    public function isOptional(): bool;
 }

CacheWarmer/WarmableInterface.php

@@ -23,5 +23,5 @@ interface WarmableInterface
      *
      * @return string[] A list of classes or files to preload on PHP 7.4+
      */
-    public function warmUp(string $cacheDir);
+    public function warmUp(string $cacheDir): array;
 }

DataCollector/DataCollector.php

@@ -58,7 +58,7 @@ abstract class DataCollector implements DataCollectorInterface
     /**
      * @return callable[] The casters to add to the cloner
      */
-    protected function getCasters()
+    protected function getCasters(): array
     {
         $casters = [
             '*' => function ($v, array $a, Stub $s, $isNested) {
@@ -82,10 +82,7 @@ abstract class DataCollector implements DataCollectorInterface
         return ['data'];
     }
 
-    /**
-     * @return void
-     */
-    public function __wakeup()
+    public function __wakeup(): void
     {
     }
 

DataCollector/DataCollectorInterface.php

@@ -24,15 +24,11 @@ interface DataCollectorInterface extends ResetInterface
 {
     /**
      * Collects data for the given Request and Response.
-     *
-     * @return void
      */
-    public function collect(Request $request, Response $response, \Throwable $exception = null);
+    public function collect(Request $request, Response $response, \Throwable $exception = null): void;
 
     /**
      * Returns the name of the collector.
-     *
-     * @return string
      */
-    public function getName();
+    public function getName(): string;
 }

DataCollector/LateDataCollectorInterface.php

@@ -20,8 +20,6 @@ interface LateDataCollectorInterface
 {
     /**
      * Collects data as late as possible.
-     *
-     * @return void
      */
-    public function lateCollect();
+    public function lateCollect(): void;
 }

DataCollector/RequestDataCollector.php

@@ -195,74 +195,47 @@ class RequestDataCollector extends DataCollector implements EventSubscriberInter
         return $this->data['path_info'];
     }
 
-    /**
-     * @return ParameterBag
-     */
-    public function getRequestRequest()
+    public function getRequestRequest(): ParameterBag
     {
         return new ParameterBag($this->data['request_request']->getValue());
     }
 
-    /**
-     * @return ParameterBag
-     */
-    public function getRequestQuery()
+    public function getRequestQuery(): ParameterBag
     {
         return new ParameterBag($this->data['request_query']->getValue());
     }
 
-    /**
-     * @return ParameterBag
-     */
-    public function getRequestFiles()
+    public function getRequestFiles(): ParameterBag
     {
         return new ParameterBag($this->data['request_files']->getValue());
     }
 
-    /**
-     * @return ParameterBag
-     */
-    public function getRequestHeaders()
+    public function getRequestHeaders(): ParameterBag
     {
         return new ParameterBag($this->data['request_headers']->getValue());
     }
 
-    /**
-     * @return ParameterBag
-     */
-    public function getRequestServer(bool $raw = false)
+    public function getRequestServer(bool $raw = false): ParameterBag
     {
         return new ParameterBag($this->data['request_server']->getValue($raw));
     }
 
-    /**
-     * @return ParameterBag
-     */
-    public function getRequestCookies(bool $raw = false)
+    public function getRequestCookies(bool $raw = false): ParameterBag
     {
         return new ParameterBag($this->data['request_cookies']->getValue($raw));
     }
 
-    /**
-     * @return ParameterBag
-     */
-    public function getRequestAttributes()
+    public function getRequestAttributes(): ParameterBag
     {
         return new ParameterBag($this->data['request_attributes']->getValue());
     }
 
-    /**
-     * @return ParameterBag
-     */
-    public function getResponseHeaders()
+    public function getResponseHeaders(): ParameterBag
     {
         return new ParameterBag($this->data['response_headers']->getValue());
     }
 
-    /**
-     * @return ParameterBag
-     */
-    public function getResponseCookies()
+    public function getResponseCookies(): ParameterBag
     {
         return new ParameterBag($this->data['response_cookies']->getValue());
     }
@@ -300,18 +273,12 @@ class RequestDataCollector extends DataCollector implements EventSubscriberInter
         return $this->data['content'];
     }
 
-    /**
-     * @return bool
-     */
-    public function isJsonRequest()
+    public function isJsonRequest(): bool
     {
         return 1 === preg_match('{^application/(?:\w+\++)*json$}i', $this->data['request_headers']['content-type']);
     }
 
-    /**
-     * @return string|null
-     */
-    public function getPrettyJson()
+    public function getPrettyJson(): ?string
     {
         $decoded = json_decode($this->getContent());
 
@@ -343,10 +310,7 @@ class RequestDataCollector extends DataCollector implements EventSubscriberInter
         return $this->data['locale'];
     }
 
-    /**
-     * @return ParameterBag
-     */
-    public function getDotenvVars()
+    public function getDotenvVars(): ParameterBag
     {
         return new ParameterBag($this->data['dotenv_vars']->getValue());
     }

DataCollector/RouterDataCollector.php

@@ -48,10 +48,7 @@ class RouterDataCollector extends DataCollector
         unset($this->controllers[$request]);
     }
 
-    /**
-     * @return void
-     */
-    public function reset()
+    public function reset(): void
     {
         $this->controllers = new \SplObjectStorage();
 
@@ -62,20 +59,15 @@ class RouterDataCollector extends DataCollector
         ];
     }
 
-    /**
-     * @return string
-     */
-    protected function guessRoute(Request $request, string|object|array $controller)
+    protected function guessRoute(Request $request, string|object|array $controller): string
     {
         return 'n/a';
     }
 
     /**
      * Remembers the controller associated to each request.
-     *
-     * @return void
      */
-    public function onKernelController(ControllerEvent $event)
+    public function onKernelController(ControllerEvent $event): void
     {
         $this->controllers[$event->getRequest()] = $event->getController();
     }

Debug/FileLinkFormatter.php

@@ -49,10 +49,7 @@ class FileLinkFormatter
         $this->urlFormat = $urlFormat;
     }
 
-    /**
-     * @return string|false
-     */
-    public function format(string $file, int $line): string|bool
+    public function format(string $file, int $line): string|false
     {
         if ($fmt = $this->getFileLinkFormat()) {
             for ($i = 1; isset($fmt[$i]); ++$i) {

Debug/TraceableEventDispatcher.php

@@ -23,10 +23,7 @@ use Symfony\Component\HttpKernel\KernelEvents;
  */
 class TraceableEventDispatcher extends BaseTraceableEventDispatcher
 {
-    /**
-     * @return void
-     */
-    protected function beforeDispatch(string $eventName, object $event)
+    protected function beforeDispatch(string $eventName, object $event): void
     {
         switch ($eventName) {
             case KernelEvents::REQUEST:
@@ -58,10 +55,7 @@ class TraceableEventDispatcher extends BaseTraceableEventDispatcher
         }
     }
 
-    /**
-     * @return void
-     */
-    protected function afterDispatch(string $eventName, object $event)
+    protected function afterDispatch(string $eventName, object $event): void
     {
         switch ($eventName) {
             case KernelEvents::CONTROLLER_ARGUMENTS:

DependencyInjection/AddAnnotatedClassesToCachePass.php

@@ -31,10 +31,7 @@ class AddAnnotatedClassesToCachePass implements CompilerPassInterface
         $this->kernel = $kernel;
     }
 
-    /**
-     * @return void
-     */
-    public function process(ContainerBuilder $container)
+    public function process(ContainerBuilder $container): void
     {
         $annotatedClasses = [];
         foreach ($container->getExtensions() as $extension) {

DependencyInjection/ConfigurableExtension.php

@@ -34,8 +34,6 @@ abstract class ConfigurableExtension extends Extension
 
     /**
      * Configures the passed container according to the merged configuration.
-     *
-     * @return void
      */
-    abstract protected function loadInternal(array $mergedConfig, ContainerBuilder $container);
+    abstract protected function loadInternal(array $mergedConfig, ContainerBuilder $container): void;
 }

DependencyInjection/ControllerArgumentValueResolverPass.php

@@ -30,10 +30,7 @@ class ControllerArgumentValueResolverPass implements CompilerPassInterface
 {
     use PriorityTaggedServiceTrait;
 
-    /**
-     * @return void
-     */
-    public function process(ContainerBuilder $container)
+    public function process(ContainerBuilder $container): void
     {
         if (!$container->hasDefinition('argument_resolver')) {
             return;

DependencyInjection/Extension.php

@@ -34,10 +34,8 @@ abstract class Extension extends BaseExtension
      * Adds annotated classes to the class cache.
      *
      * @param array $annotatedClasses An array of class patterns
-     *
-     * @return void
      */
-    public function addAnnotatedClassesToCompile(array $annotatedClasses)
+    public function addAnnotatedClassesToCompile(array $annotatedClasses): void
     {
         $this->annotatedClasses = array_merge($this->annotatedClasses, $annotatedClasses);
     }

DependencyInjection/FragmentRendererPass.php

@@ -25,10 +25,7 @@ use Symfony\Component\HttpKernel\Fragment\FragmentRendererInterface;
  */
 class FragmentRendererPass implements CompilerPassInterface
 {
-    /**
-     * @return void
-     */
-    public function process(ContainerBuilder $container)
+    public function process(ContainerBuilder $container): void
     {
         if (!$container->hasDefinition('fragment.handler')) {
             return;

DependencyInjection/LoggerPass.php

@@ -25,10 +25,7 @@ use Symfony\Component\HttpKernel\Log\Logger;
  */
 class LoggerPass implements CompilerPassInterface
 {
-    /**
-     * @return void
-     */
-    public function process(ContainerBuilder $container)
+    public function process(ContainerBuilder $container): void
     {
         $container->setAlias(LoggerInterface::class, 'logger')
             ->setPublic(false);

DependencyInjection/MergeExtensionConfigurationPass.php

@@ -31,10 +31,7 @@ class MergeExtensionConfigurationPass extends BaseMergeExtensionConfigurationPas
         $this->extensions = $extensions;
     }
 
-    /**
-     * @return void
-     */
-    public function process(ContainerBuilder $container)
+    public function process(ContainerBuilder $container): void
     {
         foreach ($this->extensions as $extension) {
             if (!\count($container->getExtensionConfig($extension))) {

DependencyInjection/RegisterControllerArgumentLocatorsPass.php

@@ -33,10 +33,7 @@ use Symfony\Component\VarExporter\ProxyHelper;
  */
 class RegisterControllerArgumentLocatorsPass implements CompilerPassInterface
 {
-    /**
-     * @return void
-     */
-    public function process(ContainerBuilder $container)
+    public function process(ContainerBuilder $container): void
     {
         if (!$container->hasDefinition('argument_resolver.service') && !$container->hasDefinition('argument_resolver.not_tagged_controller')) {
             return;

DependencyInjection/RegisterLocaleAwareServicesPass.php

@@ -23,10 +23,7 @@ use Symfony\Component\DependencyInjection\Reference;
  */
 class RegisterLocaleAwareServicesPass implements CompilerPassInterface
 {
-    /**
-     * @return void
-     */
-    public function process(ContainerBuilder $container)
+    public function process(ContainerBuilder $container): void
     {
         if (!$container->hasDefinition('locale_aware_listener')) {
             return;

DependencyInjection/RemoveEmptyControllerArgumentLocatorsPass.php

@@ -21,10 +21,7 @@ use Symfony\Component\DependencyInjection\ContainerBuilder;
  */
 class RemoveEmptyControllerArgumentLocatorsPass implements CompilerPassInterface
 {
-    /**
-     * @return void
-     */
-    public function process(ContainerBuilder $container)
+    public function process(ContainerBuilder $container): void
     {
         $controllerLocator = $container->findDefinition('argument_resolver.controller_locator');
         $controllers = $controllerLocator->getArgument(0);

DependencyInjection/ResettableServicePass.php

@@ -23,10 +23,7 @@ use Symfony\Component\DependencyInjection\Reference;
  */
 class ResettableServicePass implements CompilerPassInterface
 {
-    /**
-     * @return void
-     */
-    public function process(ContainerBuilder $container)
+    public function process(ContainerBuilder $container): void
     {
         if (!$container->has('services_resetter')) {
             return;

Event/RequestEvent.php

@@ -36,10 +36,8 @@ class RequestEvent extends KernelEvent
 
     /**
      * Sets a response and stops event propagation.
-     *
-     * @return void
      */
-    public function setResponse(Response $response)
+    public function setResponse(Response $response): void
     {
         $this->response = $response;
 

EventListener/CacheAttributeListener.php

@@ -46,10 +46,8 @@ class CacheAttributeListener implements EventSubscriberInterface
 
     /**
      * Handles HTTP validation headers.
-     *
-     * @return void
      */
-    public function onKernelControllerArguments(ControllerArgumentsEvent $event)
+    public function onKernelControllerArguments(ControllerArgumentsEvent $event): void
     {
         $request = $event->getRequest();
 
@@ -92,10 +90,8 @@ class CacheAttributeListener implements EventSubscriberInterface
 
     /**
      * Modifies the response to apply HTTP cache headers when needed.
-     *
-     * @return void
      */
-    public function onKernelResponse(ResponseEvent $event)
+    public function onKernelResponse(ResponseEvent $event): void
     {
         $request = $event->getRequest();
 

EventListener/DumpListener.php

@@ -36,10 +36,7 @@ class DumpListener implements EventSubscriberInterface
         $this->connection = $connection;
     }
 
-    /**
-     * @return void
-     */
-    public function configure()
+    public function configure(): void
     {
         $cloner = $this->cloner;
         $dumper = $this->dumper;

EventListener/ErrorListener.php

@@ -51,10 +51,7 @@ class ErrorListener implements EventSubscriberInterface
         $this->exceptionsMapping = $exceptionsMapping;
     }
 
-    /**
-     * @return void
-     */
-    public function logKernelException(ExceptionEvent $event)
+    public function logKernelException(ExceptionEvent $event): void
     {
         $throwable = $event->getThrowable();
         $logLevel = $this->resolveLogLevel($throwable);
@@ -92,10 +89,7 @@ class ErrorListener implements EventSubscriberInterface
         $this->logException($throwable, sprintf('Uncaught PHP Exception %s: "%s" at %s line %s', $e->getClass(), $e->getMessage(), $e->getFile(), $e->getLine()), $logLevel);
     }
 
-    /**
-     * @return void
-     */
-    public function onKernelException(ExceptionEvent $event)
+    public function onKernelException(ExceptionEvent $event): void
     {
         if (null === $this->controller) {
             return;
@@ -138,10 +132,7 @@ class ErrorListener implements EventSubscriberInterface
         }
     }
 
-    /**
-     * @return void
-     */
-    public function onControllerArguments(ControllerArgumentsEvent $event)
+    public function onControllerArguments(ControllerArgumentsEvent $event): void
     {
         $e = $event->getRequest()->attributes->get('exception');
 

Exception/HttpException.php

@@ -39,10 +39,7 @@ class HttpException extends \RuntimeException implements HttpExceptionInterface
         return $this->headers;
     }
 
-    /**
-     * @return void
-     */
-    public function setHeaders(array $headers)
+    public function setHeaders(array $headers): void
     {
         $this->headers = $headers;
     }

Fragment/FragmentHandler.php

@@ -48,10 +48,8 @@ class FragmentHandler
 
     /**
      * Adds a renderer.
-     *
-     * @return void
      */
-    public function addRenderer(FragmentRendererInterface $renderer)
+    public function addRenderer(FragmentRendererInterface $renderer): void
     {
         $this->renderers[$renderer->getName()] = $renderer;
     }

Fragment/InlineFragmentRenderer.php

@@ -103,10 +103,7 @@ class InlineFragmentRenderer extends RoutableFragmentRenderer
         }
     }
 
-    /**
-     * @return Request
-     */
-    protected function createSubRequest(string $uri, Request $request)
+    protected function createSubRequest(string $uri, Request $request): Request
     {
         $cookies = $request->cookies->all();
         $server = $request->server->all();

Fragment/RoutableFragmentRenderer.php

@@ -31,10 +31,8 @@ abstract class RoutableFragmentRenderer implements FragmentRendererInterface
      * Sets the fragment path that triggers the fragment listener.
      *
      * @see FragmentListener
-     *
-     * @return void
      */
-    public function setFragmentPath(string $path)
+    public function setFragmentPath(string $path): void
     {
         $this->fragmentPath = $path;
     }

HttpCache/AbstractSurrogate.php

@@ -51,10 +51,7 @@ abstract class AbstractSurrogate implements SurrogateInterface
         return str_contains($value, sprintf('%s/1.0', strtoupper($this->getName())));
     }
 
-    /**
-     * @return void
-     */
-    public function addSurrogateCapability(Request $request)
+    public function addSurrogateCapability(Request $request): void
     {
         $current = $request->headers->get('Surrogate-Capability');
         $new = sprintf('symfony="%s/1.0"', strtoupper($this->getName()));
@@ -100,10 +97,8 @@ abstract class AbstractSurrogate implements SurrogateInterface
 
     /**
      * Remove the Surrogate from the Surrogate-Control header.
-     *
-     * @return void
      */
-    protected function removeFromControl(Response $response)
+    protected function removeFromControl(Response $response): void
     {
         if (!$response->headers->has('Surrogate-Control')) {
             return;

HttpCache/Esi.php

@@ -32,10 +32,7 @@ class Esi extends AbstractSurrogate
         return 'esi';
     }
 
-    /**
-     * @return void
-     */
-    public function addSurrogateControl(Response $response)
+    public function addSurrogateControl(Response $response): void
     {
         if (str_contains($response->getContent(), '<esi:include')) {
             $response->headers->set('Surrogate-Control', 'content="ESI/1.0"');

HttpCache/HttpCache.php

@@ -236,10 +236,7 @@ class HttpCache implements HttpKernelInterface, TerminableInterface
         return $response;
     }
 
-    /**
-     * @return void
-     */
-    public function terminate(Request $request, Response $response)
+    public function terminate(Request $request, Response $response): void
     {
         // Do not call any listeners in case of a cache hit.
         // This ensures identical behavior as if you had a separate
@@ -454,10 +451,8 @@ class HttpCache implements HttpKernelInterface, TerminableInterface
      *
      * @param bool          $catch Whether to catch exceptions or not
      * @param Response|null $entry A Response instance (the stale entry if present, null otherwise)
-     *
-     * @return Response
      */
-    protected function forward(Request $request, bool $catch = false, Response $entry = null)
+    protected function forward(Request $request, bool $catch = false, Response $entry = null): Response
     {
         $this->surrogate?->addSurrogateCapability($request);
 
@@ -587,11 +582,9 @@ class HttpCache implements HttpKernelInterface, TerminableInterface
     /**
      * Writes the Response to the cache.
      *
-     * @return void
-     *
      * @throws \Exception
      */
-    protected function store(Request $request, Response $response)
+    protected function store(Request $request, Response $response): void
     {
         try {
             $restoreHeaders = [];
@@ -666,10 +659,7 @@ class HttpCache implements HttpKernelInterface, TerminableInterface
         $response->headers->remove('X-Body-File');
     }
 
-    /**
-     * @return void
-     */
-    protected function processResponseBody(Request $request, Response $response)
+    protected function processResponseBody(Request $request, Response $response): void
     {
         if ($this->surrogate?->needsParsing($response)) {
             $this->surrogate->process($request, $response);

HttpCache/ResponseCacheStrategy.php

@@ -54,10 +54,7 @@ class ResponseCacheStrategy implements ResponseCacheStrategyInterface
         'expires' => null,
     ];
 
-    /**
-     * @return void
-     */
-    public function add(Response $response)
+    public function add(Response $response): void
     {
         ++$this->embeddedResponses;
 
@@ -98,10 +95,7 @@ class ResponseCacheStrategy implements ResponseCacheStrategyInterface
         }
     }
 
-    /**
-     * @return void
-     */
-    public function update(Response $response)
+    public function update(Response $response): void
     {
         // if we have no embedded Response, do nothing
         if (0 === $this->embeddedResponses) {

HttpCache/ResponseCacheStrategyInterface.php

@@ -27,15 +27,11 @@ interface ResponseCacheStrategyInterface
 {
     /**
      * Adds a Response.
-     *
-     * @return void
      */
-    public function add(Response $response);
+    public function add(Response $response): void;
 
     /**
      * Updates the Response HTTP headers based on the embedded Responses.
-     *
-     * @return void
      */
-    public function update(Response $response);
+    public function update(Response $response): void;
 }

HttpCache/Ssi.php

@@ -26,10 +26,7 @@ class Ssi extends AbstractSurrogate
         return 'ssi';
     }
 
-    /**
-     * @return void
-     */
-    public function addSurrogateControl(Response $response)
+    public function addSurrogateControl(Response $response): void
     {
         if (str_contains($response->getContent(), '<!--#include')) {
             $response->headers->set('Surrogate-Control', 'content="SSI/1.0"');

HttpCache/Store.php

@@ -55,10 +55,8 @@ class Store implements StoreInterface
 
     /**
      * Cleanups storage.
-     *
-     * @return void
      */
-    public function cleanup()
+    public function cleanup(): void
     {
         // unlock everything
         foreach ($this->locks as $lock) {
@@ -249,11 +247,9 @@ class Store implements StoreInterface
     /**
      * Invalidates all cache entries that match the request.
      *
-     * @return void
-     *
      * @throws \RuntimeException
      */
-    public function invalidate(Request $request)
+    public function invalidate(Request $request): void
     {
         $modified = false;
         $key = $this->getCacheKey($request);
@@ -417,10 +413,7 @@ class Store implements StoreInterface
         return true;
     }
 
-    /**
-     * @return string
-     */
-    public function getPath(string $key)
+    public function getPath(string $key): string
     {
         return $this->root.\DIRECTORY_SEPARATOR.substr($key, 0, 2).\DIRECTORY_SEPARATOR.substr($key, 2, 2).\DIRECTORY_SEPARATOR.substr($key, 4, 2).\DIRECTORY_SEPARATOR.substr($key, 6);
     }

HttpCache/StoreInterface.php

@@ -41,10 +41,8 @@ interface StoreInterface
 
     /**
      * Invalidates all cache entries that match the request.
-     *
-     * @return void
      */
-    public function invalidate(Request $request);
+    public function invalidate(Request $request): void;
 
     /**
      * Locks the cache for a given Request.
@@ -76,8 +74,6 @@ interface StoreInterface
 
     /**
      * Cleanups storage.
-     *
-     * @return void
      */
-    public function cleanup();
+    public function cleanup(): void;
 }

HttpCache/SurrogateInterface.php

@@ -33,19 +33,15 @@ interface SurrogateInterface
 
     /**
      * Adds Surrogate-capability to the given Request.
-     *
-     * @return void
      */
-    public function addSurrogateCapability(Request $request);
+    public function addSurrogateCapability(Request $request): void;
 
     /**
      * Adds HTTP headers to specify that the Response needs to be parsed for Surrogate.
      *
      * This method only adds an Surrogate HTTP header if the Response has some Surrogate tags.
-     *
-     * @return void
      */
-    public function addSurrogateControl(Response $response);
+    public function addSurrogateControl(Response $response): void;
 
     /**
      * Checks that the Response needs to be parsed for Surrogate tags.

HttpKernel.php

@@ -92,10 +92,7 @@ class HttpKernel implements HttpKernelInterface, TerminableInterface
         }
     }
 
-    /**
-     * @return void
-     */
-    public function terminate(Request $request, Response $response)
+    public function terminate(Request $request, Response $response): void
     {
         $this->dispatcher->dispatch(new TerminateEvent($this, $request, $response), KernelEvents::TERMINATE);
     }

HttpKernelBrowser.php

@@ -47,20 +47,16 @@ class HttpKernelBrowser extends AbstractBrowser
 
     /**
      * Sets whether to catch exceptions when the kernel is handling a request.
-     *
-     * @return void
      */
-    public function catchExceptions(bool $catchExceptions)
+    public function catchExceptions(bool $catchExceptions): void
     {
         $this->catchExceptions = $catchExceptions;
     }
 
     /**
      * @param Request $request
-     *
-     * @return Response
      */
-    protected function doRequest(object $request)
+    protected function doRequest(object $request): Response
     {
         $response = $this->kernel->handle($request, HttpKernelInterface::MAIN_REQUEST, $this->catchExceptions);
 
@@ -73,10 +69,8 @@ class HttpKernelBrowser extends AbstractBrowser
 
     /**
      * @param Request $request
-     *
-     * @return string
      */
-    protected function getScript(object $request)
+    protected function getScript(object $request): string
     {
         $kernel = var_export(serialize($this->kernel), true);
         $request = var_export(serialize($request), true);
@@ -112,10 +106,7 @@ EOF;
         return $code.$this->getHandleScript();
     }
 
-    /**
-     * @return string
-     */
-    protected function getHandleScript()
+    protected function getHandleScript(): string
     {
         return <<<'EOF'
 $response = $kernel->handle($request);

Kernel.php

@@ -103,10 +103,7 @@ abstract class Kernel implements KernelInterface, RebootableInterface, Terminabl
         $this->resetServices = false;
     }
 
-    /**
-     * @return void
-     */
-    public function boot()
+    public function boot(): void
     {
         if (true === $this->booted) {
             if (!$this->requestStackSize && $this->resetServices) {
@@ -134,20 +131,14 @@ abstract class Kernel implements KernelInterface, RebootableInterface, Terminabl
         $this->booted = true;
     }
 
-    /**
-     * @return void
-     */
-    public function reboot(?string $warmupDir)
+    public function reboot(?string $warmupDir): void
     {
         $this->shutdown();
         $this->warmupDir = $warmupDir;
         $this->boot();
     }
 
-    /**
-     * @return void
-     */
-    public function terminate(Request $request, Response $response)
+    public function terminate(Request $request, Response $response): void
     {
         if (false === $this->booted) {
             return;
@@ -158,10 +149,7 @@ abstract class Kernel implements KernelInterface, RebootableInterface, Terminabl
         }
     }
 
-    /**
-     * @return void
-     */
-    public function shutdown()
+    public function shutdown(): void
     {
         if (false === $this->booted) {
             return;
@@ -335,11 +323,9 @@ abstract class Kernel implements KernelInterface, RebootableInterface, Terminabl
     /**
      * Initializes bundles.
      *
-     * @return void
-     *
      * @throws \LogicException if two bundles share a common name
      */
-    protected function initializeBundles()
+    protected function initializeBundles(): void
     {
         // init bundles
         $this->bundles = [];
@@ -356,10 +342,8 @@ abstract class Kernel implements KernelInterface, RebootableInterface, Terminabl
      * The extension point similar to the Bundle::build() method.
      *
      * Use this method to register compiler passes and manipulate the container during the building process.
-     *
-     * @return void
      */
-    protected function build(ContainerBuilder $container)
+    protected function build(ContainerBuilder $container): void
     {
     }
 
@@ -396,10 +380,8 @@ abstract class Kernel implements KernelInterface, RebootableInterface, Terminabl
      *
      * The built version of the service container is used when fresh, otherwise the
      * container is built.
-     *
-     * @return void
      */
-    protected function initializeContainer()
+    protected function initializeContainer(): void
     {
         $class = $this->getContainerClass();
         $buildDir = $this->warmupDir ?: $this->getBuildDir();
@@ -610,10 +592,8 @@ abstract class Kernel implements KernelInterface, RebootableInterface, Terminabl
 
     /**
      * Prepares the ContainerBuilder before it is compiled.
-     *
-     * @return void
      */
-    protected function prepareContainer(ContainerBuilder $container)
+    protected function prepareContainer(ContainerBuilder $container): void
     {
         $extensions = [];
         foreach ($this->bundles as $bundle) {
@@ -663,10 +643,8 @@ abstract class Kernel implements KernelInterface, RebootableInterface, Terminabl
      *
      * @param string $class     The name of the class to generate
      * @param string $baseClass The name of the container's base class
-     *
-     * @return void
      */
-    protected function dumpContainer(ConfigCache $cache, ContainerBuilder $container, string $class, string $baseClass)
+    protected function dumpContainer(ConfigCache $cache, ContainerBuilder $container, string $class, string $baseClass): void
     {
         // cache the container
         $dumper = new PhpDumper($container);
@@ -819,10 +797,7 @@ abstract class Kernel implements KernelInterface, RebootableInterface, Terminabl
         return ['environment', 'debug'];
     }
 
-    /**
-     * @return void
-     */
-    public function __wakeup()
+    public function __wakeup(): void
     {
         if (\is_object($this->environment) || \is_object($this->debug)) {
             throw new \BadMethodCallException('Cannot unserialize '.__CLASS__);

KernelInterface.php

@@ -33,26 +33,20 @@ interface KernelInterface extends HttpKernelInterface
 
     /**
      * Loads the container configuration.
-     *
-     * @return void
      */
-    public function registerContainerConfiguration(LoaderInterface $loader);
+    public function registerContainerConfiguration(LoaderInterface $loader): void;
 
     /**
      * Boots the current kernel.
-     *
-     * @return void
      */
-    public function boot();
+    public function boot(): void;
 
     /**
      * Shutdowns the kernel.
      *
      * This method is mainly useful when doing functional testing.
-     *
-     * @return void
      */
-    public function shutdown();
+    public function shutdown(): void;
 
     /**
      * Gets the registered bundle instances.

Log/DebugLoggerInterface.php

@@ -33,19 +33,15 @@ interface DebugLoggerInterface
      *     timestamp_rfc3339: string,
      * }>
      */
-    public function getLogs(Request $request = null);
+    public function getLogs(Request $request = null): array;
 
     /**
      * Returns the number of errors.
-     *
-     * @return int
      */
-    public function countErrors(Request $request = null);
+    public function countErrors(Request $request = null): int;
 
     /**
      * Removes all log records.
-     *
-     * @return void
      */
-    public function clear();
+    public function clear(): void;
 }

Profiler/FileProfilerStorage.php

@@ -87,10 +87,7 @@ class FileProfilerStorage implements ProfilerStorageInterface
         return array_values($result);
     }
 
-    /**
-     * @return void
-     */
-    public function purge()
+    public function purge(): void
     {
         $flags = \FilesystemIterator::SKIP_DOTS;
         $iterator = new \RecursiveDirectoryIterator($this->folder, $flags);
@@ -245,10 +242,7 @@ class FileProfilerStorage implements ProfilerStorageInterface
         return '' === $line ? null : $line;
     }
 
-    /**
-     * @return Profile
-     */
-    protected function createProfileFromData(string $token, array $data, Profile $parent = null)
+    protected function createProfileFromData(string $token, array $data, Profile $parent = null): Profile
     {
         $profile = new Profile($token);
         $profile->setIp($data['ip']);

Profiler/Profile.php

@@ -44,10 +44,7 @@ class Profile
         $this->token = $token;
     }
 
-    /**
-     * @return void
-     */
-    public function setToken(string $token)
+    public function setToken(string $token): void
     {
         $this->token = $token;
     }
@@ -62,10 +59,8 @@ class Profile
 
     /**
      * Sets the parent token.
-     *
-     * @return void
      */
-    public function setParent(self $parent)
+    public function setParent(self $parent): void
     {
         $this->parent = $parent;
     }
@@ -94,10 +89,7 @@ class Profile
         return $this->ip;
     }
 
-    /**
-     * @return void
-     */
-    public function setIp(?string $ip)
+    public function setIp(?string $ip): void
     {
         $this->ip = $ip;
     }
@@ -110,10 +102,7 @@ class Profile
         return $this->method;
     }
 
-    /**
-     * @return void
-     */
-    public function setMethod(string $method)
+    public function setMethod(string $method): void
     {
         $this->method = $method;
     }
@@ -126,10 +115,7 @@ class Profile
         return $this->url;
     }
 
-    /**
-     * @return void
-     */
-    public function setUrl(?string $url)
+    public function setUrl(?string $url): void
     {
         $this->url = $url;
     }
@@ -139,18 +125,12 @@ class Profile
         return $this->time ?? 0;
     }
 
-    /**
-     * @return void
-     */
-    public function setTime(int $time)
+    public function setTime(int $time): void
     {
         $this->time = $time;
     }
 
-    /**
-     * @return void
-     */
-    public function setStatusCode(int $statusCode)
+    public function setStatusCode(int $statusCode): void
     {
         $this->statusCode = $statusCode;
     }
@@ -174,10 +154,8 @@ class Profile
      * Sets children profiler.
      *
      * @param Profile[] $children
-     *
-     * @return void
      */
-    public function setChildren(array $children)
+    public function setChildren(array $children): void
     {
         $this->children = [];
         foreach ($children as $child) {
@@ -187,10 +165,8 @@ class Profile
 
     /**
      * Adds the child token.
-     *
-     * @return void
      */
-    public function addChild(self $child)
+    public function addChild(self $child): void
     {
         $this->children[] = $child;
         $child->setParent($this);
@@ -235,10 +211,8 @@ class Profile
      * Sets the Collectors associated with this profile.
      *
      * @param DataCollectorInterface[] $collectors
-     *
-     * @return void
      */
-    public function setCollectors(array $collectors)
+    public function setCollectors(array $collectors): void
     {
         $this->collectors = [];
         foreach ($collectors as $collector) {
@@ -248,10 +222,8 @@ class Profile
 
     /**
      * Adds a Collector.
-     *
-     * @return void
      */
-    public function addCollector(DataCollectorInterface $collector)
+    public function addCollector(DataCollectorInterface $collector): void
     {
         $this->collectors[$collector->getName()] = $collector;
     }

Profiler/Profiler.php

@@ -46,20 +46,16 @@ class Profiler implements ResetInterface
 
     /**
      * Disables the profiler.
-     *
-     * @return void
      */
-    public function disable()
+    public function disable(): void
     {
         $this->enabled = false;
     }
 
     /**
      * Enables the profiler.
-     *
-     * @return void
      */
-    public function enable()
+    public function enable(): void
     {
         $this->enabled = true;
     }
@@ -110,10 +106,8 @@ class Profiler implements ResetInterface
 
     /**
      * Purges all data from the storage.
-     *
-     * @return void
      */
-    public function purge()
+    public function purge(): void
     {
         $this->storage->purge();
     }
@@ -168,10 +162,7 @@ class Profiler implements ResetInterface
         return $profile;
     }
 
-    /**
-     * @return void
-     */
-    public function reset()
+    public function reset(): void
     {
         foreach ($this->collectors as $collector) {
             $collector->reset();
@@ -191,10 +182,8 @@ class Profiler implements ResetInterface
      * Sets the Collectors associated with this profiler.
      *
      * @param DataCollectorInterface[] $collectors An array of collectors
-     *
-     * @return void
      */
-    public function set(array $collectors = [])
+    public function set(array $collectors = []): void
     {
         $this->collectors = [];
         foreach ($collectors as $collector) {
@@ -204,10 +193,8 @@ class Profiler implements ResetInterface
 
     /**
      * Adds a Collector.
-     *
-     * @return void
      */
-    public function add(DataCollectorInterface $collector)
+    public function add(DataCollectorInterface $collector): void
     {
         $this->collectors[$collector->getName()] = $collector;
     }

Profiler/ProfilerStorageInterface.php

@@ -49,8 +49,6 @@ interface ProfilerStorageInterface
 
     /**
      * Purges all data from the database.
-     *
-     * @return void
      */
-    public function purge();
+    public function purge(): void;
 }

RebootableInterface.php

@@ -25,8 +25,6 @@ interface RebootableInterface
      * while building the container. Use the %kernel.build_dir% parameter instead.
      *
      * @param string|null $warmupDir pass null to reboot in the regular build directory
-     *
-     * @return void
      */
-    public function reboot(?string $warmupDir);
+    public function reboot(?string $warmupDir): void;
 }

TerminableInterface.php

@@ -27,8 +27,6 @@ interface TerminableInterface
      * Terminates a request/response cycle.
      *
      * Should be called after sending the response and before shutting down the kernel.
-     *
-     * @return void
      */
-    public function terminate(Request $request, Response $response);
+    public function terminate(Request $request, Response $response): void;
 }

Tests/Controller/TraceableArgumentResolverTest.php

@@ -29,7 +29,7 @@ class TraceableArgumentResolverTest extends TestCase
         $stopwatch->method('start')->willReturn($stopwatchEvent);
 
         $resolver = new class() implements ArgumentResolverInterface {
-            public function getArguments(Request $request, callable $controller, ?\ReflectionFunctionAbstract $reflector = null): array
+            public function getArguments(Request $request, callable $controller, \ReflectionFunctionAbstract $reflector = null): array
             {
                 throw new \Exception();
             }