diff --git a/.php-cs-fixer.dist.php b/.php-cs-fixer.dist.php
index 8b50502e98c7e..2333c06badd58 100644
--- a/.php-cs-fixer.dist.php
+++ b/.php-cs-fixer.dist.php
@@ -11,6 +11,7 @@
         '@Symfony' => true,
         '@Symfony:risky' => true,
         'protected_to_private' => false,
+        'native_constant_invocation' => ['strict' => false],
         'nullable_type_declaration_for_default_null_value' => ['use_nullable_type_declaration' => false],
         'modernize_strpos' => true,
     ])
diff --git a/src/Symfony/Bridge/Doctrine/ContainerAwareEventManager.php b/src/Symfony/Bridge/Doctrine/ContainerAwareEventManager.php
index 82a4f36ce349c..d262c5e3591e4 100644
--- a/src/Symfony/Bridge/Doctrine/ContainerAwareEventManager.php
+++ b/src/Symfony/Bridge/Doctrine/ContainerAwareEventManager.php
@@ -56,7 +56,7 @@ public function dispatchEvent($eventName, EventArgs $eventArgs = null): void
             return;
         }
 
-        $eventArgs = $eventArgs ?? EventArgs::getEmptyInstance();
+        $eventArgs ??= EventArgs::getEmptyInstance();
 
         if (!isset($this->initialized[$eventName])) {
             $this->initializeListeners($eventName);
diff --git a/src/Symfony/Bridge/Doctrine/DependencyInjection/AbstractDoctrineExtension.php b/src/Symfony/Bridge/Doctrine/DependencyInjection/AbstractDoctrineExtension.php
index 367eb12e29162..4774019da3349 100644
--- a/src/Symfony/Bridge/Doctrine/DependencyInjection/AbstractDoctrineExtension.php
+++ b/src/Symfony/Bridge/Doctrine/DependencyInjection/AbstractDoctrineExtension.php
@@ -134,8 +134,6 @@ protected function setMappingDriverConfig(array $mappingConfig, string $mappingN
      * If this is a bundle controlled mapping all the missing information can be autodetected by this method.
      *
      * Returns false when autodetection failed, an array of the completed information otherwise.
-     *
-     * @return array|false
      */
     protected function getMappingDriverBundleConfigDefaults(array $bundleConfig, \ReflectionClass $bundle, ContainerBuilder $container, string $bundleDir = null): array|false
     {
diff --git a/src/Symfony/Bridge/Doctrine/Validator/DoctrineLoader.php b/src/Symfony/Bridge/Doctrine/Validator/DoctrineLoader.php
index d06a34a40f630..a4e695d37df1b 100644
--- a/src/Symfony/Bridge/Doctrine/Validator/DoctrineLoader.php
+++ b/src/Symfony/Bridge/Doctrine/Validator/DoctrineLoader.php
@@ -49,7 +49,7 @@ public function loadClassMetadata(ClassMetadata $metadata): bool
         $className = $metadata->getClassName();
         try {
             $doctrineMetadata = $this->entityManager->getClassMetadata($className);
-        } catch (MappingException | OrmMappingException $exception) {
+        } catch (MappingException|OrmMappingException $exception) {
             return false;
         }
 
diff --git a/src/Symfony/Bridge/Twig/AppVariable.php b/src/Symfony/Bridge/Twig/AppVariable.php
index d21f6448a481b..b46646b5461ae 100644
--- a/src/Symfony/Bridge/Twig/AppVariable.php
+++ b/src/Symfony/Bridge/Twig/AppVariable.php
@@ -100,7 +100,7 @@ public function getSession(): ?Session
         }
         $request = $this->getRequest();
 
-        return $request && $request->hasSession() ? $request->getSession() : null;
+        return $request?->hasSession() ? $request->getSession() : null;
     }
 
     /**
diff --git a/src/Symfony/Bridge/Twig/UndefinedCallableHandler.php b/src/Symfony/Bridge/Twig/UndefinedCallableHandler.php
index 360a386faedec..30dd92ff2ff3b 100644
--- a/src/Symfony/Bridge/Twig/UndefinedCallableHandler.php
+++ b/src/Symfony/Bridge/Twig/UndefinedCallableHandler.php
@@ -68,9 +68,6 @@ class UndefinedCallableHandler
         'workflow' => 'enable "framework.workflows"',
     ];
 
-    /**
-     * @return TwigFilter|false
-     */
     public static function onUndefinedFilter(string $name): TwigFilter|false
     {
         if (!isset(self::FILTER_COMPONENTS[$name])) {
@@ -80,9 +77,6 @@ public static function onUndefinedFilter(string $name): TwigFilter|false
         throw new SyntaxError(self::onUndefined($name, 'filter', self::FILTER_COMPONENTS[$name]));
     }
 
-    /**
-     * @return TwigFunction|false
-     */
     public static function onUndefinedFunction(string $name): TwigFunction|false
     {
         if (!isset(self::FUNCTION_COMPONENTS[$name])) {
diff --git a/src/Symfony/Bundle/FrameworkBundle/Command/WorkflowDumpCommand.php b/src/Symfony/Bundle/FrameworkBundle/Command/WorkflowDumpCommand.php
index 3cb0a4ffcbb6d..eb96e65470ebf 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Command/WorkflowDumpCommand.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Command/WorkflowDumpCommand.php
@@ -36,7 +36,8 @@
 class WorkflowDumpCommand extends Command
 {
     /**
-     * string is the service id
+     * string is the service id.
+     *
      * @var array<string, Definition>
      */
     private array $workflows = [];
diff --git a/src/Symfony/Bundle/FrameworkBundle/Controller/AbstractController.php b/src/Symfony/Bundle/FrameworkBundle/Controller/AbstractController.php
index 1ae52cb1ee1a1..86c365c258fb6 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Controller/AbstractController.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Controller/AbstractController.php
@@ -70,8 +70,6 @@ public function setContainer(ContainerInterface $container): ?ContainerInterface
 
     /**
      * Gets a container parameter by its name.
-     *
-     * @return array|bool|float|int|string|null
      */
     protected function getParameter(string $name): array|bool|float|int|string|null
     {
diff --git a/src/Symfony/Bundle/FrameworkBundle/KernelBrowser.php b/src/Symfony/Bundle/FrameworkBundle/KernelBrowser.php
index a85eb3d017c1e..6795e3c22aa0e 100644
--- a/src/Symfony/Bundle/FrameworkBundle/KernelBrowser.php
+++ b/src/Symfony/Bundle/FrameworkBundle/KernelBrowser.php
@@ -62,8 +62,6 @@ public function getKernel(): KernelInterface
 
     /**
      * Gets the profile associated with the current Response.
-     *
-     * @return HttpProfile|false|null
      */
     public function getProfile(): HttpProfile|false|null
     {
diff --git a/src/Symfony/Bundle/FrameworkBundle/Test/TestContainer.php b/src/Symfony/Bundle/FrameworkBundle/Test/TestContainer.php
index 4ce5772d91e63..75a87870691d2 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Test/TestContainer.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Test/TestContainer.php
@@ -63,8 +63,6 @@ public function getParameterBag(): ParameterBagInterface
 
     /**
      * {@inheritdoc}
-     *
-     * @return array|bool|float|int|string|null
      */
     public function getParameter(string $name): array|bool|float|int|string|null
     {
diff --git a/src/Symfony/Bundle/SecurityBundle/DataCollector/SecurityDataCollector.php b/src/Symfony/Bundle/SecurityBundle/DataCollector/SecurityDataCollector.php
index 045f040225bfc..394006f55b66b 100644
--- a/src/Symfony/Bundle/SecurityBundle/DataCollector/SecurityDataCollector.php
+++ b/src/Symfony/Bundle/SecurityBundle/DataCollector/SecurityDataCollector.php
@@ -185,7 +185,6 @@ public function collect(Request $request, Response $response, \Throwable $except
                     'authenticators' => $firewallConfig->getAuthenticators(),
                 ];
 
-
                 // generate exit impersonation path from current request
                 if ($this->data['impersonated'] && null !== $switchUserConfig = $firewallConfig->getSwitchUser()) {
                     $exitPath = $request->getRequestUri();
diff --git a/src/Symfony/Bundle/SecurityBundle/Debug/TraceableListenerTrait.php b/src/Symfony/Bundle/SecurityBundle/Debug/TraceableListenerTrait.php
index 2ae1f4af9bb34..357d2414d8bf2 100644
--- a/src/Symfony/Bundle/SecurityBundle/Debug/TraceableListenerTrait.php
+++ b/src/Symfony/Bundle/SecurityBundle/Debug/TraceableListenerTrait.php
@@ -45,7 +45,7 @@ public function getInfo(): array
         return [
             'response' => $this->response,
             'time' => $this->time,
-            'stub' => $this->stub ?? $this->stub = ClassStub::wrapCallable($this->listener instanceof TraceableAuthenticatorManagerListener ? $this->listener->getAuthenticatorManagerListener() : $this->listener),
+            'stub' => $this->stub ??= ClassStub::wrapCallable($this->listener instanceof TraceableAuthenticatorManagerListener ? $this->listener->getAuthenticatorManagerListener() : $this->listener),
         ];
     }
 }
diff --git a/src/Symfony/Bundle/WebProfilerBundle/EventListener/WebDebugToolbarListener.php b/src/Symfony/Bundle/WebProfilerBundle/EventListener/WebDebugToolbarListener.php
index f4bfec100e3a6..5152223669c8d 100644
--- a/src/Symfony/Bundle/WebProfilerBundle/EventListener/WebDebugToolbarListener.php
+++ b/src/Symfony/Bundle/WebProfilerBundle/EventListener/WebDebugToolbarListener.php
@@ -95,7 +95,7 @@ public function onKernelResponse(ResponseEvent $event)
 
         $nonces = [];
         if ($this->cspHandler) {
-            if ($this->dumpDataCollector && $this->dumpDataCollector->getDumpsCount() > 0) {
+            if ($this->dumpDataCollector?->getDumpsCount() > 0) {
                 $this->cspHandler->disableCsp();
             }
 
diff --git a/src/Symfony/Component/Cache/Adapter/AbstractAdapter.php b/src/Symfony/Component/Cache/Adapter/AbstractAdapter.php
index 19f282e23391b..19be14f1d01a4 100644
--- a/src/Symfony/Component/Cache/Adapter/AbstractAdapter.php
+++ b/src/Symfony/Component/Cache/Adapter/AbstractAdapter.php
@@ -74,7 +74,7 @@ static function ($deferred, $namespace, &$expiredIds, $getId, $defaultLifetime)
                     $key = (string) $key;
                     if (null === $item->expiry) {
                         $ttl = 0 < $defaultLifetime ? $defaultLifetime : 0;
-                    } elseif (0 === $item->expiry) {
+                    } elseif (!$item->expiry) {
                         $ttl = 0;
                     } elseif (0 >= $ttl = (int) (0.1 + $item->expiry - $now)) {
                         $expiredIds[] = $getId($key);
diff --git a/src/Symfony/Component/Cache/Adapter/AbstractTagAwareAdapter.php b/src/Symfony/Component/Cache/Adapter/AbstractTagAwareAdapter.php
index 476cec9d15a49..f66c8370d5b91 100644
--- a/src/Symfony/Component/Cache/Adapter/AbstractTagAwareAdapter.php
+++ b/src/Symfony/Component/Cache/Adapter/AbstractTagAwareAdapter.php
@@ -79,7 +79,7 @@ static function ($deferred, &$expiredIds, $getId, $tagPrefix, $defaultLifetime)
                     $key = (string) $key;
                     if (null === $item->expiry) {
                         $ttl = 0 < $defaultLifetime ? $defaultLifetime : 0;
-                    } elseif (0 === $item->expiry) {
+                    } elseif (!$item->expiry) {
                         $ttl = 0;
                     } elseif (0 >= $ttl = (int) (0.1 + $item->expiry - $now)) {
                         $expiredIds[] = $getId($key);
diff --git a/src/Symfony/Component/Cache/Adapter/ArrayAdapter.php b/src/Symfony/Component/Cache/Adapter/ArrayAdapter.php
index 3a37297cddba1..d6eb152f08fcb 100644
--- a/src/Symfony/Component/Cache/Adapter/ArrayAdapter.php
+++ b/src/Symfony/Component/Cache/Adapter/ArrayAdapter.php
@@ -182,14 +182,14 @@ public function save(CacheItemInterface $item): bool
 
         $now = microtime(true);
 
-        if (0 === $expiry) {
-            $expiry = \PHP_INT_MAX;
-        }
-
-        if (null !== $expiry && $expiry <= $now) {
-            $this->deleteItem($key);
+        if (null !== $expiry) {
+            if (!$expiry) {
+                $expiry = \PHP_INT_MAX;
+            } elseif ($expiry <= $now) {
+                $this->deleteItem($key);
 
-            return true;
+                return true;
+            }
         }
         if ($this->storeSerialized && null === $value = $this->freeze($value, $key)) {
             return false;
diff --git a/src/Symfony/Component/Cache/Adapter/ChainAdapter.php b/src/Symfony/Component/Cache/Adapter/ChainAdapter.php
index 925e9f2f6b5bc..64ae546440aad 100644
--- a/src/Symfony/Component/Cache/Adapter/ChainAdapter.php
+++ b/src/Symfony/Component/Cache/Adapter/ChainAdapter.php
@@ -66,10 +66,10 @@ public function __construct(array $adapters, int $defaultLifetime = 0)
         $this->adapterCount = \count($this->adapters);
         $this->defaultLifetime = $defaultLifetime;
 
-        self::$syncItem ?? self::$syncItem = \Closure::bind(
+        self::$syncItem ??= \Closure::bind(
             static function ($sourceItem, $item, $defaultLifetime, $sourceMetadata = null) {
                 $sourceItem->isTaggable = false;
-                $sourceMetadata = $sourceMetadata ?? $sourceItem->metadata;
+                $sourceMetadata ??= $sourceItem->metadata;
                 unset($sourceMetadata[CacheItem::METADATA_TAGS]);
 
                 $item->value = $sourceItem->value;
@@ -108,7 +108,7 @@ public function get(string $key, callable $callback, float $beta = null, array &
                 $value = $this->doGet($adapter, $key, $callback, $beta, $metadata);
             }
             if (null !== $item) {
-                (self::$syncItem)($lastItem = $lastItem ?? $item, $item, $this->defaultLifetime, $metadata);
+                (self::$syncItem)($lastItem ??= $item, $item, $this->defaultLifetime, $metadata);
             }
 
             return $value;
diff --git a/src/Symfony/Component/Cache/Adapter/PhpFilesAdapter.php b/src/Symfony/Component/Cache/Adapter/PhpFilesAdapter.php
index 13e45435f0f75..7ec96f5d88eba 100644
--- a/src/Symfony/Component/Cache/Adapter/PhpFilesAdapter.php
+++ b/src/Symfony/Component/Cache/Adapter/PhpFilesAdapter.php
@@ -135,7 +135,7 @@ protected function doFetch(array $ids): iterable
 
             foreach ($missingIds as $k => $id) {
                 try {
-                    $file = $this->files[$id] ?? $this->files[$id] = $this->getFile($id);
+                    $file = $this->files[$id] ??= $this->getFile($id);
 
                     if (isset(self::$valuesCache[$file])) {
                         [$expiresAt, $this->values[$id]] = self::$valuesCache[$file];
@@ -176,7 +176,7 @@ protected function doHave(string $id): bool
 
         set_error_handler($this->includeHandler);
         try {
-            $file = $this->files[$id] ?? $this->files[$id] = $this->getFile($id);
+            $file = $this->files[$id] ??= $this->getFile($id);
             $getExpiry = true;
 
             if (isset(self::$valuesCache[$file])) {
diff --git a/src/Symfony/Component/Cache/Adapter/ProxyAdapter.php b/src/Symfony/Component/Cache/Adapter/ProxyAdapter.php
index c90b80e4cbd51..23434cd4714c9 100644
--- a/src/Symfony/Component/Cache/Adapter/ProxyAdapter.php
+++ b/src/Symfony/Component/Cache/Adapter/ProxyAdapter.php
@@ -92,7 +92,7 @@ static function (CacheItemInterface $innerItem, array $item) {
                     $item["\0*\0value"] = ["\x9D".pack('VN', (int) (0.1 + $metadata[self::METADATA_EXPIRY] - self::METADATA_EXPIRY_OFFSET), $metadata[self::METADATA_CTIME])."\x5F" => $item["\0*\0value"]];
                 }
                 $innerItem->set($item["\0*\0value"]);
-                $innerItem->expiresAt(null !== $item["\0*\0expiry"] ? \DateTime::createFromFormat('U.u', sprintf('%.6F', 0 === $item["\0*\0expiry"] ? \PHP_INT_MAX : $item["\0*\0expiry"])) : null);
+                $innerItem->expiresAt(null !== $item["\0*\0expiry"] ? \DateTime::createFromFormat('U.u', sprintf('%.6F', $item["\0*\0expiry"])) : null);
             },
             null,
             CacheItem::class
diff --git a/src/Symfony/Component/Cache/Adapter/RedisTagAwareAdapter.php b/src/Symfony/Component/Cache/Adapter/RedisTagAwareAdapter.php
index 1ec5a8cc30846..cb1c638c5c0db 100644
--- a/src/Symfony/Component/Cache/Adapter/RedisTagAwareAdapter.php
+++ b/src/Symfony/Component/Cache/Adapter/RedisTagAwareAdapter.php
@@ -55,7 +55,7 @@ class RedisTagAwareAdapter extends AbstractTagAwareAdapter
     private const DEFAULT_CACHE_TTL = 8640000;
 
     /**
-     * detected eviction policy used on Redis server
+     * detected eviction policy used on Redis server.
      */
     private string $redisEvictionPolicy;
 
diff --git a/src/Symfony/Component/Cache/Adapter/TagAwareAdapter.php b/src/Symfony/Component/Cache/Adapter/TagAwareAdapter.php
index a36551d308de7..0176383ef063c 100644
--- a/src/Symfony/Component/Cache/Adapter/TagAwareAdapter.php
+++ b/src/Symfony/Component/Cache/Adapter/TagAwareAdapter.php
@@ -48,7 +48,7 @@ public function __construct(AdapterInterface $itemsPool, AdapterInterface $tagsP
         $this->pool = $itemsPool;
         $this->tags = $tagsPool ?? $itemsPool;
         $this->knownTagVersionsTtl = $knownTagVersionsTtl;
-        self::$createCacheItem ?? self::$createCacheItem = \Closure::bind(
+        self::$createCacheItem ??= \Closure::bind(
             static function ($key, $value, CacheItem $protoItem) {
                 $item = new CacheItem();
                 $item->key = $key;
@@ -61,7 +61,7 @@ static function ($key, $value, CacheItem $protoItem) {
             null,
             CacheItem::class
         );
-        self::$setCacheItemTags ?? self::$setCacheItemTags = \Closure::bind(
+        self::$setCacheItemTags ??= \Closure::bind(
             static function (CacheItem $item, $key, array &$itemTags) {
                 $item->isTaggable = true;
                 if (!$item->isHit) {
@@ -82,7 +82,7 @@ static function (CacheItem $item, $key, array &$itemTags) {
             null,
             CacheItem::class
         );
-        self::$getTagsByKey ?? self::$getTagsByKey = \Closure::bind(
+        self::$getTagsByKey ??= \Closure::bind(
             static function ($deferred) {
                 $tagsByKey = [];
                 foreach ($deferred as $key => $item) {
@@ -95,7 +95,7 @@ static function ($deferred) {
             null,
             CacheItem::class
         );
-        self::$saveTags ?? self::$saveTags = \Closure::bind(
+        self::$saveTags ??= \Closure::bind(
             static function (AdapterInterface $tagsAdapter, array $tags) {
                 ksort($tags);
 
@@ -394,7 +394,7 @@ private function getTagVersions(array $tagsByKey): array
         $newVersion = null;
         foreach ($this->tags->getItems(array_keys($tags)) as $tag => $version) {
             if (!$version->isHit()) {
-                $newTags[$tag] = $version->set($newVersion ?? $newVersion = random_int(\PHP_INT_MIN, \PHP_INT_MAX));
+                $newTags[$tag] = $version->set($newVersion ??= random_int(\PHP_INT_MIN, \PHP_INT_MAX));
             }
             $tagVersions[$tag = $tags[$tag]] = $version->get();
             $this->knownTagVersions[$tag] = [$now, $tagVersions[$tag]];
diff --git a/src/Symfony/Component/Cache/CHANGELOG.md b/src/Symfony/Component/Cache/CHANGELOG.md
index a1dc4617e5b13..1f54db7b8bd80 100644
--- a/src/Symfony/Component/Cache/CHANGELOG.md
+++ b/src/Symfony/Component/Cache/CHANGELOG.md
@@ -10,7 +10,6 @@ CHANGELOG
 5.4
 ---
 
- * Make `LockRegistry` use semaphores when possible
  * Deprecate `DoctrineProvider` and `DoctrineAdapter` because these classes have been added to the `doctrine/cache` package
  * Add `DoctrineDbalAdapter` identical to `PdoAdapter` for `Doctrine\DBAL\Connection` or DBAL URL
  * Deprecate usage of `PdoAdapter` with `Doctrine\DBAL\Connection` or DBAL URL
diff --git a/src/Symfony/Component/Cache/LockRegistry.php b/src/Symfony/Component/Cache/LockRegistry.php
index 5803bccc7688d..da67036dc4666 100644
--- a/src/Symfony/Component/Cache/LockRegistry.php
+++ b/src/Symfony/Component/Cache/LockRegistry.php
@@ -27,7 +27,7 @@
 final class LockRegistry
 {
     private static $openedFiles = [];
-    private static $lockedKeys;
+    private static $lockedFiles;
 
     /**
      * The number of items in this list controls the max number of concurrent processes.
@@ -76,25 +76,21 @@ public static function setFiles(array $files): array
                 fclose($file);
             }
         }
-        self::$openedFiles = self::$lockedKeys = [];
+        self::$openedFiles = self::$lockedFiles = [];
 
         return $previousFiles;
     }
 
     public static function compute(callable $callback, ItemInterface $item, bool &$save, CacheInterface $pool, \Closure $setMetadata = null, LoggerInterface $logger = null)
     {
-        if ('\\' === \DIRECTORY_SEPARATOR && null === self::$lockedKeys) {
+        if ('\\' === \DIRECTORY_SEPARATOR && null === self::$lockedFiles) {
             // disable locking on Windows by default
-            self::$files = self::$lockedKeys = [];
+            self::$files = self::$lockedFiles = [];
         }
 
-        $key = unpack('i', md5($item->getKey(), true))[1];
+        $key = self::$files ? abs(crc32($item->getKey())) % \count(self::$files) : -1;
 
-        if (!\function_exists('sem_get')) {
-            $key = self::$files ? abs($key) % \count(self::$files) : null;
-        }
-
-        if (null === $key || (self::$lockedKeys[$key] ?? false) || !$lock = self::open($key)) {
+        if ($key < 0 || (self::$lockedFiles[$key] ?? false) || !$lock = self::open($key)) {
             return $callback($item, $save);
         }
 
@@ -102,15 +98,11 @@ public static function compute(callable $callback, ItemInterface $item, bool &$s
             try {
                 $locked = false;
                 // race to get the lock in non-blocking mode
-                if ($wouldBlock = \function_exists('sem_get')) {
-                    $locked = @sem_acquire($lock, true);
-                } else {
-                    $locked = flock($lock, \LOCK_EX | \LOCK_NB, $wouldBlock);
-                }
+                $locked = flock($lock, \LOCK_EX | \LOCK_NB, $wouldBlock);
 
                 if ($locked || !$wouldBlock) {
-                    $logger && $logger->info(sprintf('Lock %s, now computing item "{key}"', $locked ? 'acquired' : 'not supported'), ['key' => $item->getKey()]);
-                    self::$lockedKeys[$key] = true;
+                    $logger?->info(sprintf('Lock %s, now computing item "{key}"', $locked ? 'acquired' : 'not supported'), ['key' => $item->getKey()]);
+                    self::$lockedFiles[$key] = true;
 
                     $value = $callback($item, $save);
 
@@ -125,25 +117,12 @@ public static function compute(callable $callback, ItemInterface $item, bool &$s
 
                     return $value;
                 }
-
                 // if we failed the race, retry locking in blocking mode to wait for the winner
-                $logger && $logger->info('Item "{key}" is locked, waiting for it to be released', ['key' => $item->getKey()]);
-
-                if (\function_exists('sem_get')) {
-                    $lock = sem_get($key);
-                    @sem_acquire($lock);
-                } else {
-                    flock($lock, \LOCK_SH);
-                }
+                $logger?->info('Item "{key}" is locked, waiting for it to be released', ['key' => $item->getKey()]);
+                flock($lock, \LOCK_SH);
             } finally {
-                if ($locked) {
-                    if (\function_exists('sem_get')) {
-                        sem_remove($lock);
-                    } else {
-                        flock($lock, \LOCK_UN);
-                    }
-                }
-                unset(self::$lockedKeys[$key]);
+                flock($lock, \LOCK_UN);
+                unset(self::$lockedFiles[$key]);
             }
             static $signalingException, $signalingCallback;
             $signalingException = $signalingException ?? unserialize("O:9:\"Exception\":1:{s:16:\"\0Exception\0trace\";a:0:{}}");
@@ -151,7 +130,7 @@ public static function compute(callable $callback, ItemInterface $item, bool &$s
 
             try {
                 $value = $pool->get($item->getKey(), $signalingCallback, 0);
-                $logger && $logger->info('Item "{key}" retrieved after lock was released', ['key' => $item->getKey()]);
+                $logger?->info('Item "{key}" retrieved after lock was released', ['key' => $item->getKey()]);
                 $save = false;
 
                 return $value;
@@ -159,7 +138,7 @@ public static function compute(callable $callback, ItemInterface $item, bool &$s
                 if ($signalingException !== $e) {
                     throw $e;
                 }
-                $logger && $logger->info('Item "{key}" not found while lock was released, now retrying', ['key' => $item->getKey()]);
+                $logger?->info('Item "{key}" not found while lock was released, now retrying', ['key' => $item->getKey()]);
             }
         }
 
@@ -168,10 +147,6 @@ public static function compute(callable $callback, ItemInterface $item, bool &$s
 
     private static function open(int $key)
     {
-        if (\function_exists('sem_get')) {
-            return sem_get($key);
-        }
-
         if (null !== $h = self::$openedFiles[$key] ?? null) {
             return $h;
         }
diff --git a/src/Symfony/Component/Cache/Marshaller/DefaultMarshaller.php b/src/Symfony/Component/Cache/Marshaller/DefaultMarshaller.php
index 7459a9db47029..5c34fb2ea59d3 100644
--- a/src/Symfony/Component/Cache/Marshaller/DefaultMarshaller.php
+++ b/src/Symfony/Component/Cache/Marshaller/DefaultMarshaller.php
@@ -71,7 +71,7 @@ public function unmarshall(string $value): mixed
             return null;
         }
         static $igbinaryNull;
-        if ($value === ($igbinaryNull ?? $igbinaryNull = \extension_loaded('igbinary') ? igbinary_serialize(null) : false)) {
+        if ($value === $igbinaryNull ??= \extension_loaded('igbinary') ? igbinary_serialize(null) : false) {
             return null;
         }
         $unserializeCallbackHandler = ini_set('unserialize_callback_func', __CLASS__.'::handleUnserializeCallback');
diff --git a/src/Symfony/Component/Cache/Messenger/EarlyExpirationDispatcher.php b/src/Symfony/Component/Cache/Messenger/EarlyExpirationDispatcher.php
index 25b5023b32fd3..5aeacf1d598ef 100644
--- a/src/Symfony/Component/Cache/Messenger/EarlyExpirationDispatcher.php
+++ b/src/Symfony/Component/Cache/Messenger/EarlyExpirationDispatcher.php
@@ -38,7 +38,7 @@ public function __invoke(callable $callback, CacheItem $item, bool &$save, Adapt
     {
         if (!$item->isHit() || null === $message = EarlyExpirationMessage::create($this->reverseContainer, $callback, $item, $pool)) {
             // The item is stale or the callback cannot be reversed: we must compute the value now
-            $logger && $logger->info('Computing item "{key}" online: '.($item->isHit() ? 'callback cannot be reversed' : 'item is stale'), ['key' => $item->getKey()]);
+            $logger?->info('Computing item "{key}" online: '.($item->isHit() ? 'callback cannot be reversed' : 'item is stale'), ['key' => $item->getKey()]);
 
             return null !== $this->callbackWrapper ? ($this->callbackWrapper)($callback, $item, $save, $pool, $setMetadata, $logger) : $callback($item, $save);
         }
diff --git a/src/Symfony/Component/Cache/Messenger/EarlyExpirationHandler.php b/src/Symfony/Component/Cache/Messenger/EarlyExpirationHandler.php
index 043b4a177c6fb..9d2aaecc76c83 100644
--- a/src/Symfony/Component/Cache/Messenger/EarlyExpirationHandler.php
+++ b/src/Symfony/Component/Cache/Messenger/EarlyExpirationHandler.php
@@ -59,7 +59,7 @@ public function __invoke(EarlyExpirationMessage $message)
 
         static $setMetadata;
 
-        $setMetadata ?? $setMetadata = \Closure::bind(
+        $setMetadata ??= \Closure::bind(
             function (CacheItem $item, float $startTime) {
                 if ($item->expiry > $endTime = microtime(true)) {
                     $item->newMetadata[CacheItem::METADATA_EXPIRY] = $item->expiry;
diff --git a/src/Symfony/Component/Cache/Tests/Adapter/ProxyAdapterAndRedisAdapterTest.php b/src/Symfony/Component/Cache/Tests/Adapter/ProxyAdapterAndRedisAdapterTest.php
new file mode 100644
index 0000000000000..46516e0095e6e
--- /dev/null
+++ b/src/Symfony/Component/Cache/Tests/Adapter/ProxyAdapterAndRedisAdapterTest.php
@@ -0,0 +1,72 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Cache\Tests\Adapter;
+
+use Psr\Cache\CacheItemPoolInterface;
+use Symfony\Component\Cache\Adapter\AbstractAdapter;
+use Symfony\Component\Cache\Adapter\ProxyAdapter;
+use Symfony\Component\Cache\Adapter\RedisAdapter;
+use Symfony\Component\Cache\CacheItem;
+
+/**
+ * @group integration
+ */
+class ProxyAdapterAndRedisAdapterTest extends AbstractRedisAdapterTest
+{
+    protected $skippedTests = [
+        'testPrune' => 'RedisAdapter does not implement PruneableInterface.',
+    ];
+
+    public static function setUpBeforeClass(): void
+    {
+        parent::setUpBeforeClass();
+        self::$redis = AbstractAdapter::createConnection('redis://'.getenv('REDIS_HOST'));
+    }
+
+    public function createCachePool($defaultLifetime = 0, string $testMethod = null): CacheItemPoolInterface
+    {
+        return new ProxyAdapter(new RedisAdapter(self::$redis, str_replace('\\', '.', __CLASS__), 100), 'ProxyNS', $defaultLifetime);
+    }
+
+    public function testSaveItemPermanently()
+    {
+        $setCacheItemExpiry = \Closure::bind(
+            static function (CacheItem $item, $expiry) {
+                $item->expiry = $expiry;
+
+                return $item;
+            },
+            null,
+            CacheItem::class
+        );
+
+        $cache = $this->createCachePool(1);
+        $value = rand();
+        $item = $cache->getItem('foo');
+        $setCacheItemExpiry($item, 0);
+        $cache->save($item->set($value));
+        $item = $cache->getItem('bar');
+        $setCacheItemExpiry($item, 0.0);
+        $cache->save($item->set($value));
+        $item = $cache->getItem('baz');
+        $cache->save($item->set($value));
+
+        $this->assertSame($value, $this->cache->getItem('foo')->get());
+        $this->assertSame($value, $this->cache->getItem('bar')->get());
+        $this->assertSame($value, $this->cache->getItem('baz')->get());
+
+        sleep(1);
+        $this->assertSame($value, $this->cache->getItem('foo')->get());
+        $this->assertSame($value, $this->cache->getItem('bar')->get());
+        $this->assertFalse($this->cache->getItem('baz')->isHit());
+    }
+}
diff --git a/src/Symfony/Component/Cache/Tests/Adapter/TagAwareAdapterTest.php b/src/Symfony/Component/Cache/Tests/Adapter/TagAwareAdapterTest.php
index 54ce7822e06af..81e943c144f56 100644
--- a/src/Symfony/Component/Cache/Tests/Adapter/TagAwareAdapterTest.php
+++ b/src/Symfony/Component/Cache/Tests/Adapter/TagAwareAdapterTest.php
@@ -14,12 +14,10 @@
 use PHPUnit\Framework\MockObject\MockObject;
 use Psr\Cache\CacheItemInterface;
 use Psr\Cache\CacheItemPoolInterface;
-use Psr\Log\LoggerInterface;
 use Symfony\Component\Cache\Adapter\AdapterInterface;
 use Symfony\Component\Cache\Adapter\ArrayAdapter;
 use Symfony\Component\Cache\Adapter\FilesystemAdapter;
 use Symfony\Component\Cache\Adapter\TagAwareAdapter;
-use Symfony\Component\Cache\LockRegistry;
 use Symfony\Component\Cache\Tests\Fixtures\PrunableAdapter;
 use Symfony\Component\Filesystem\Filesystem;
 
@@ -181,24 +179,6 @@ public function testGetItemReturnsCacheMissWhenPoolDoesNotHaveItemAndOnlyHasTags
         $this->assertFalse($item->isHit());
     }
 
-    public function testLog()
-    {
-        $lockFiles = LockRegistry::setFiles([__FILE__]);
-
-        $logger = $this->createMock(LoggerInterface::class);
-        $logger
-            ->expects($this->atLeastOnce())
-            ->method($this->anything());
-
-        $cache = new TagAwareAdapter(new ArrayAdapter());
-        $cache->setLogger($logger);
-
-        // Computing will produce at least one log
-        $cache->get('foo', static function (): string { return 'ccc'; });
-
-        LockRegistry::setFiles($lockFiles);
-    }
-
     /**
      * @return MockObject&PruneableCacheInterface
      */
diff --git a/src/Symfony/Component/Cache/Traits/AbstractAdapterTrait.php b/src/Symfony/Component/Cache/Traits/AbstractAdapterTrait.php
index 0149b7674c50e..64e35a47a174f 100644
--- a/src/Symfony/Component/Cache/Traits/AbstractAdapterTrait.php
+++ b/src/Symfony/Component/Cache/Traits/AbstractAdapterTrait.php
@@ -26,12 +26,12 @@ trait AbstractAdapterTrait
     use LoggerAwareTrait;
 
     /**
-     * needs to be set by class, signature is function(string <key>, mixed <value>, bool <isHit>)
+     * needs to be set by class, signature is function(string <key>, mixed <value>, bool <isHit>).
      */
     private static \Closure $createCacheItem;
 
     /**
-     * needs to be set by class, signature is function(array <deferred>, string <namespace>, array <&expiredIds>)
+     * needs to be set by class, signature is function(array <deferred>, string <namespace>, array <&expiredIds>).
      */
     private static \Closure $mergeByLifetime;
 
diff --git a/src/Symfony/Component/Cache/Traits/ContractsTrait.php b/src/Symfony/Component/Cache/Traits/ContractsTrait.php
index 6361f95161a29..f63b4957ac9ac 100644
--- a/src/Symfony/Component/Cache/Traits/ContractsTrait.php
+++ b/src/Symfony/Component/Cache/Traits/ContractsTrait.php
@@ -41,12 +41,20 @@ trait ContractsTrait
      */
     public function setCallbackWrapper(?callable $callbackWrapper): callable
     {
-        $previousWrapper = $this->callbackWrapper ??= \Closure::fromCallable([LockRegistry::class, 'compute']);
+        if (!isset($this->callbackWrapper)) {
+            $this->callbackWrapper = \Closure::fromCallable([LockRegistry::class, 'compute']);
+
+            if (\in_array(\PHP_SAPI, ['cli', 'phpdbg'], true)) {
+                $this->setCallbackWrapper(null);
+            }
+        }
+
         if (null !== $callbackWrapper && !$callbackWrapper instanceof \Closure) {
             $callbackWrapper = \Closure::fromCallable($callbackWrapper);
         }
 
-        $this->callbackWrapper = $callbackWrapper ?? function (callable $callback, ItemInterface $item, bool &$save, CacheInterface $pool, \Closure $setMetadata, ?LoggerInterface $logger) {
+        $previousWrapper = $this->callbackWrapper;
+        $this->callbackWrapper = $callbackWrapper ?? static function (callable $callback, ItemInterface $item, bool &$save, CacheInterface $pool, \Closure $setMetadata, ?LoggerInterface $logger) {
             return $callback($item, $save);
         };
 
@@ -55,13 +63,13 @@ public function setCallbackWrapper(?callable $callbackWrapper): callable
 
     private function doGet(AdapterInterface $pool, string $key, callable $callback, ?float $beta, array &$metadata = null)
     {
-        if (0 > $beta = $beta ?? 1.0) {
+        if (0 > $beta ??= 1.0) {
             throw new InvalidArgumentException(sprintf('Argument "$beta" provided to "%s::get()" must be a positive number, %f given.', static::class, $beta));
         }
 
         static $setMetadata;
 
-        $setMetadata ?? $setMetadata = \Closure::bind(
+        $setMetadata ??= \Closure::bind(
             static function (CacheItem $item, float $startTime, ?array &$metadata) {
                 if ($item->expiry > $endTime = microtime(true)) {
                     $item->newMetadata[CacheItem::METADATA_EXPIRY] = $metadata[CacheItem::METADATA_EXPIRY] = $item->expiry;
@@ -88,6 +96,10 @@ static function (CacheItem $item, float $startTime, ?array &$metadata) {
             $this->computing[$key] = $key;
             $startTime = microtime(true);
 
+            if (!isset($this->callbackWrapper)) {
+                $this->setCallbackWrapper($this->setCallbackWrapper(null));
+            }
+
             try {
                 $value = ($this->callbackWrapper)($callback, $item, $save, $pool, function (CacheItem $item) use ($setMetadata, $startTime, &$metadata) {
                     $setMetadata($item, $startTime, $metadata);
diff --git a/src/Symfony/Component/Cache/Traits/RedisTrait.php b/src/Symfony/Component/Cache/Traits/RedisTrait.php
index fc833beb7f23a..9a48944bafd4a 100644
--- a/src/Symfony/Component/Cache/Traits/RedisTrait.php
+++ b/src/Symfony/Component/Cache/Traits/RedisTrait.php
@@ -441,7 +441,7 @@ protected function doDelete(array $ids): bool
 
         if ($this->redis instanceof \Predis\ClientInterface && $this->redis->getConnection() instanceof ClusterInterface) {
             static $del;
-            $del = $del ?? (class_exists(UNLINK::class) ? 'unlink' : 'del');
+            $del ??= (class_exists(UNLINK::class) ? 'unlink' : 'del');
 
             $this->pipeline(function () use ($ids, $del) {
                 foreach ($ids as $id) {
@@ -498,7 +498,7 @@ protected function doSave(array $values, int $lifetime): array|bool
     private function pipeline(\Closure $generator, object $redis = null): \Generator
     {
         $ids = [];
-        $redis = $redis ?? $this->redis;
+        $redis ??= $this->redis;
 
         if ($redis instanceof RedisClusterProxy || $redis instanceof \RedisCluster || ($redis instanceof \Predis\ClientInterface && $redis->getConnection() instanceof RedisCluster)) {
             // phpredis & predis don't support pipelining with RedisCluster
diff --git a/src/Symfony/Component/Config/Definition/Builder/ExprBuilder.php b/src/Symfony/Component/Config/Definition/Builder/ExprBuilder.php
index 71d156dfc47a1..22f8280d6018a 100644
--- a/src/Symfony/Component/Config/Definition/Builder/ExprBuilder.php
+++ b/src/Symfony/Component/Config/Definition/Builder/ExprBuilder.php
@@ -204,8 +204,6 @@ public function thenUnset(): static
     /**
      * Returns the related node.
      *
-     * @return NodeDefinition|ArrayNodeDefinition|VariableNodeDefinition
-     *
      * @throws \RuntimeException
      */
     public function end(): NodeDefinition|ArrayNodeDefinition|VariableNodeDefinition
diff --git a/src/Symfony/Component/Config/Definition/Builder/MergeBuilder.php b/src/Symfony/Component/Config/Definition/Builder/MergeBuilder.php
index 1b55b185bd970..f8980a6e041c9 100644
--- a/src/Symfony/Component/Config/Definition/Builder/MergeBuilder.php
+++ b/src/Symfony/Component/Config/Definition/Builder/MergeBuilder.php
@@ -53,8 +53,6 @@ public function denyOverwrite(bool $deny = true): static
 
     /**
      * Returns the related node.
-     *
-     * @return NodeDefinition|ArrayNodeDefinition|VariableNodeDefinition
      */
     public function end(): NodeDefinition|ArrayNodeDefinition|VariableNodeDefinition
     {
diff --git a/src/Symfony/Component/Config/Definition/Builder/TreeBuilder.php b/src/Symfony/Component/Config/Definition/Builder/TreeBuilder.php
index 4a106d1d289d2..e469e69044c3f 100644
--- a/src/Symfony/Component/Config/Definition/Builder/TreeBuilder.php
+++ b/src/Symfony/Component/Config/Definition/Builder/TreeBuilder.php
@@ -25,7 +25,7 @@ class TreeBuilder implements NodeParentInterface
 
     public function __construct(string $name, string $type = 'array', NodeBuilder $builder = null)
     {
-        $builder = $builder ?? new NodeBuilder();
+        $builder ??= new NodeBuilder();
         $this->root = $builder->node($name, $type)->setParent($this);
     }
 
diff --git a/src/Symfony/Component/Config/Tests/Builder/GeneratedConfigTest.php b/src/Symfony/Component/Config/Tests/Builder/GeneratedConfigTest.php
index e85558cac8d96..c988c0ab30bb7 100644
--- a/src/Symfony/Component/Config/Tests/Builder/GeneratedConfigTest.php
+++ b/src/Symfony/Component/Config/Tests/Builder/GeneratedConfigTest.php
@@ -148,7 +148,7 @@ public function testSetExtraKeyMethodIsNotGeneratedWhenAllowExtraKeysIsFalse()
      */
     private function generateConfigBuilder(string $configurationClass, string $outputDir = null)
     {
-        $outputDir ?? $outputDir = sys_get_temp_dir().\DIRECTORY_SEPARATOR.uniqid('sf_config_builder', true);
+        $outputDir ??= sys_get_temp_dir().\DIRECTORY_SEPARATOR.uniqid('sf_config_builder', true);
         if (!str_contains($outputDir, __DIR__)) {
             $this->tempDir[] = $outputDir;
         }
diff --git a/src/Symfony/Component/Console/Application.php b/src/Symfony/Component/Console/Application.php
index b582435f7d102..0ed5649b8ac55 100644
--- a/src/Symfony/Component/Console/Application.php
+++ b/src/Symfony/Component/Console/Application.php
@@ -558,7 +558,7 @@ public function has(string $name): bool
     {
         $this->init();
 
-        return isset($this->commands[$name]) || ($this->commandLoader && $this->commandLoader->has($name) && $this->add($this->commandLoader->get($name)));
+        return isset($this->commands[$name]) || ($this->commandLoader?->has($name) && $this->add($this->commandLoader->get($name)));
     }
 
     /**
diff --git a/src/Symfony/Component/Console/Command/Command.php b/src/Symfony/Component/Console/Command/Command.php
index decfea278282b..0bd3426c07eb3 100644
--- a/src/Symfony/Component/Console/Command/Command.php
+++ b/src/Symfony/Component/Console/Command/Command.php
@@ -556,7 +556,7 @@ public function getHelp(): string
     public function getProcessedHelp(): string
     {
         $name = $this->name;
-        $isSingleCommand = $this->application && $this->application->isSingleCommand();
+        $isSingleCommand = $this->application?->isSingleCommand();
 
         $placeholders = [
             '%command.name%',
diff --git a/src/Symfony/Component/Console/Completion/CompletionInput.php b/src/Symfony/Component/Console/Completion/CompletionInput.php
index eda95bef55468..b0f00088e7150 100644
--- a/src/Symfony/Component/Console/Completion/CompletionInput.php
+++ b/src/Symfony/Component/Console/Completion/CompletionInput.php
@@ -84,7 +84,7 @@ public function bind(InputDefinition $definition): void
                 return;
             }
 
-            if (null !== $option && $option->acceptValue()) {
+            if ($option?->acceptValue()) {
                 $this->completionType = self::TYPE_OPTION_VALUE;
                 $this->completionName = $option->getName();
                 $this->completionValue = $optionValue ?: (!str_starts_with($optionToken, '--') ? substr($optionToken, 2) : '');
@@ -97,7 +97,7 @@ public function bind(InputDefinition $definition): void
         if ('-' === $previousToken[0] && '' !== trim($previousToken, '-')) {
             // check if previous option accepted a value
             $previousOption = $this->getOptionFromToken($previousToken);
-            if (null !== $previousOption && $previousOption->acceptValue()) {
+            if ($previousOption?->acceptValue()) {
                 $this->completionType = self::TYPE_OPTION_VALUE;
                 $this->completionName = $previousOption->getName();
                 $this->completionValue = $relevantToken;
diff --git a/src/Symfony/Component/Console/DependencyInjection/AddConsoleCommandPass.php b/src/Symfony/Component/Console/DependencyInjection/AddConsoleCommandPass.php
index efaf39a2c9a20..4334556663078 100644
--- a/src/Symfony/Component/Console/DependencyInjection/AddConsoleCommandPass.php
+++ b/src/Symfony/Component/Console/DependencyInjection/AddConsoleCommandPass.php
@@ -87,7 +87,7 @@ public function process(ContainerBuilder $container)
                     $lazyCommandMap[$tag['command']] = $id;
                 }
 
-                $description = $description ?? $tag['description'] ?? null;
+                $description ??= $tag['description'] ?? null;
             }
 
             $definition->addMethodCall('setName', [$commandName]);
diff --git a/src/Symfony/Component/Console/Formatter/NullOutputFormatter.php b/src/Symfony/Component/Console/Formatter/NullOutputFormatter.php
index d14db326a050d..7950fad1ede30 100644
--- a/src/Symfony/Component/Console/Formatter/NullOutputFormatter.php
+++ b/src/Symfony/Component/Console/Formatter/NullOutputFormatter.php
@@ -32,7 +32,7 @@ public function format(?string $message): ?string
     public function getStyle(string $name): OutputFormatterStyleInterface
     {
         // to comply with the interface we must return a OutputFormatterStyleInterface
-        return $this->style ?? $this->style = new NullOutputFormatterStyle();
+        return $this->style ??= new NullOutputFormatterStyle();
     }
 
     /**
diff --git a/src/Symfony/Component/Console/Helper/Dumper.php b/src/Symfony/Component/Console/Helper/Dumper.php
index 76b76c0a4047d..29263d853e26f 100644
--- a/src/Symfony/Component/Console/Helper/Dumper.php
+++ b/src/Symfony/Component/Console/Helper/Dumper.php
@@ -34,10 +34,10 @@ public function __construct(OutputInterface $output, CliDumper $dumper = null, C
 
         if (class_exists(CliDumper::class)) {
             $this->handler = function ($var): string {
-                $dumper = $this->dumper ?? $this->dumper = new CliDumper(null, null, CliDumper::DUMP_LIGHT_ARRAY | CliDumper::DUMP_COMMA_SEPARATOR);
+                $dumper = $this->dumper ??= new CliDumper(null, null, CliDumper::DUMP_LIGHT_ARRAY | CliDumper::DUMP_COMMA_SEPARATOR);
                 $dumper->setColors($this->output->isDecorated());
 
-                return rtrim($dumper->dump(($this->cloner ?? $this->cloner = new VarCloner())->cloneVar($var)->withRefHandles(false), true));
+                return rtrim($dumper->dump(($this->cloner ??= new VarCloner())->cloneVar($var)->withRefHandles(false), true));
             };
         } else {
             $this->handler = function ($var): string {
diff --git a/src/Symfony/Component/Console/Helper/Helper.php b/src/Symfony/Component/Console/Helper/Helper.php
index 01e39a9b38804..44e3199a987c8 100644
--- a/src/Symfony/Component/Console/Helper/Helper.php
+++ b/src/Symfony/Component/Console/Helper/Helper.php
@@ -45,7 +45,7 @@ public function getHelperSet(): ?HelperSet
      */
     public static function width(?string $string): int
     {
-        $string ?? $string = '';
+        $string ??= '';
 
         if (preg_match('//u', $string)) {
             return (new UnicodeString($string))->width(false);
@@ -64,7 +64,7 @@ public static function width(?string $string): int
      */
     public static function length(?string $string): int
     {
-        $string ?? $string = '';
+        $string ??= '';
 
         if (preg_match('//u', $string)) {
             return (new UnicodeString($string))->length();
@@ -82,7 +82,7 @@ public static function length(?string $string): int
      */
     public static function substr(?string $string, int $from, int $length = null): string
     {
-        $string ?? $string = '';
+        $string ??= '';
 
         if (false === $encoding = mb_detect_encoding($string, null, true)) {
             return substr($string, $from, $length);
diff --git a/src/Symfony/Component/Console/Input/ArgvInput.php b/src/Symfony/Component/Console/Input/ArgvInput.php
index 4e90c812e2cbd..a9585de17e5ca 100644
--- a/src/Symfony/Component/Console/Input/ArgvInput.php
+++ b/src/Symfony/Component/Console/Input/ArgvInput.php
@@ -45,7 +45,7 @@ class ArgvInput extends Input
 
     public function __construct(array $argv = null, InputDefinition $definition = null)
     {
-        $argv = $argv ?? $_SERVER['argv'] ?? [];
+        $argv ??= $_SERVER['argv'] ?? [];
 
         // strip the application name
         array_shift($argv);
diff --git a/src/Symfony/Component/Console/Input/InputArgument.php b/src/Symfony/Component/Console/Input/InputArgument.php
index f89fa33c97eaf..143e4b10ae71f 100644
--- a/src/Symfony/Component/Console/Input/InputArgument.php
+++ b/src/Symfony/Component/Console/Input/InputArgument.php
@@ -105,8 +105,6 @@ public function setDefault(string|bool|int|float|array $default = null)
 
     /**
      * Returns the default value.
-     *
-     * @return string|bool|int|float|array|null
      */
     public function getDefault(): string|bool|int|float|array|null
     {
diff --git a/src/Symfony/Component/Console/Input/InputOption.php b/src/Symfony/Component/Console/Input/InputOption.php
index 613af20353f08..f9d74a8961ce2 100644
--- a/src/Symfony/Component/Console/Input/InputOption.php
+++ b/src/Symfony/Component/Console/Input/InputOption.php
@@ -187,8 +187,6 @@ public function setDefault(string|bool|int|float|array $default = null)
 
     /**
      * Returns the default value.
-     *
-     * @return string|bool|int|float|array|null
      */
     public function getDefault(): string|bool|int|float|array|null
     {
diff --git a/src/Symfony/Component/Console/Question/Question.php b/src/Symfony/Component/Console/Question/Question.php
index 7d5e3accb0c05..f25e938a83197 100644
--- a/src/Symfony/Component/Console/Question/Question.php
+++ b/src/Symfony/Component/Console/Question/Question.php
@@ -52,8 +52,6 @@ public function getQuestion(): string
 
     /**
      * Returns the default answer.
-     *
-     * @return string|bool|int|float|null
      */
     public function getDefault(): string|bool|int|float|null
     {
@@ -154,7 +152,7 @@ public function setAutocompleterValues(?iterable $values): static
         } elseif ($values instanceof \Traversable) {
             $valueCache = null;
             $callback = static function () use ($values, &$valueCache) {
-                return $valueCache ?? $valueCache = iterator_to_array($values, false);
+                return $valueCache ??= iterator_to_array($values, false);
             };
         } else {
             $callback = null;
diff --git a/src/Symfony/Component/Console/Style/SymfonyStyle.php b/src/Symfony/Component/Console/Style/SymfonyStyle.php
index 58640ab5f0f3d..5e0aabb6e7b4d 100644
--- a/src/Symfony/Component/Console/Style/SymfonyStyle.php
+++ b/src/Symfony/Component/Console/Style/SymfonyStyle.php
@@ -59,7 +59,7 @@ public function __construct(InputInterface $input, OutputInterface $output)
     /**
      * Formats a message as a block of text.
      */
-    public function block(string|array $messages, ?string $type = null, string $style = null, string $prefix = ' ', bool $padding = false, bool $escape = true)
+    public function block(string|array $messages, string $type = null, string $style = null, string $prefix = ' ', bool $padding = false, bool $escape = true)
     {
         $messages = \is_array($messages) ? array_values($messages) : [$messages];
 
diff --git a/src/Symfony/Component/CssSelector/CssSelectorConverter.php b/src/Symfony/Component/CssSelector/CssSelectorConverter.php
index a322e93fbb18c..7120a2950e185 100644
--- a/src/Symfony/Component/CssSelector/CssSelectorConverter.php
+++ b/src/Symfony/Component/CssSelector/CssSelectorConverter.php
@@ -62,6 +62,6 @@ public function __construct(bool $html = true)
      */
     public function toXPath(string $cssExpr, string $prefix = 'descendant-or-self::'): string
     {
-        return $this->cache[$prefix][$cssExpr] ?? $this->cache[$prefix][$cssExpr] = $this->translator->cssToXPath($cssExpr, $prefix);
+        return $this->cache[$prefix][$cssExpr] ??= $this->translator->cssToXPath($cssExpr, $prefix);
     }
 }
diff --git a/src/Symfony/Component/CssSelector/Parser/Reader.php b/src/Symfony/Component/CssSelector/Parser/Reader.php
index f926e605c59fa..c0b6923a4d1f8 100644
--- a/src/Symfony/Component/CssSelector/Parser/Reader.php
+++ b/src/Symfony/Component/CssSelector/Parser/Reader.php
@@ -60,9 +60,6 @@ public function getOffset(string $string)
         return false === $position ? false : $position - $this->position;
     }
 
-    /**
-     * @return array|false
-     */
     public function findPattern(string $pattern): array|false
     {
         $source = substr($this->source, $this->position);
diff --git a/src/Symfony/Component/DependencyInjection/Argument/ServiceLocator.php b/src/Symfony/Component/DependencyInjection/Argument/ServiceLocator.php
index 3d6a8c7fa7413..676d232428f2b 100644
--- a/src/Symfony/Component/DependencyInjection/Argument/ServiceLocator.php
+++ b/src/Symfony/Component/DependencyInjection/Argument/ServiceLocator.php
@@ -45,6 +45,6 @@ public function get(string $id): mixed
      */
     public function getProvidedServices(): array
     {
-        return $this->serviceTypes ?? $this->serviceTypes = array_map(function () { return '?'; }, $this->serviceMap);
+        return $this->serviceTypes ??= array_map(function () { return '?'; }, $this->serviceMap);
     }
 }
diff --git a/src/Symfony/Component/DependencyInjection/Compiler/AnalyzeServiceReferencesPass.php b/src/Symfony/Component/DependencyInjection/Compiler/AnalyzeServiceReferencesPass.php
index 4f53882d90569..9f3059fbd77be 100644
--- a/src/Symfony/Component/DependencyInjection/Compiler/AnalyzeServiceReferencesPass.php
+++ b/src/Symfony/Component/DependencyInjection/Compiler/AnalyzeServiceReferencesPass.php
@@ -98,7 +98,7 @@ protected function processValue(mixed $value, bool $isRoot = false): mixed
                 $targetId,
                 $targetDefinition,
                 $value,
-                $this->lazy || ($this->hasProxyDumper && $targetDefinition && $targetDefinition->isLazy()),
+                $this->lazy || ($this->hasProxyDumper && $targetDefinition?->isLazy()),
                 ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE === $value->getInvalidBehavior(),
                 $this->byConstructor
             );
@@ -110,7 +110,7 @@ protected function processValue(mixed $value, bool $isRoot = false): mixed
                     $targetId,
                     $targetDefinition,
                     $value,
-                    $this->lazy || ($targetDefinition && $targetDefinition->isLazy()),
+                    $this->lazy || $targetDefinition?->isLazy(),
                     true
                );
             }
diff --git a/src/Symfony/Component/DependencyInjection/Compiler/CheckTypeDeclarationsPass.php b/src/Symfony/Component/DependencyInjection/Compiler/CheckTypeDeclarationsPass.php
index 56c498d75daa4..9b8bef35665bc 100644
--- a/src/Symfony/Component/DependencyInjection/Compiler/CheckTypeDeclarationsPass.php
+++ b/src/Symfony/Component/DependencyInjection/Compiler/CheckTypeDeclarationsPass.php
@@ -160,7 +160,7 @@ private function checkTypeDeclarations(Definition $checkedDefinition, \Reflectio
      */
     private function checkType(Definition $checkedDefinition, mixed $value, \ReflectionParameter $parameter, ?string $envPlaceholderUniquePrefix, \ReflectionType $reflectionType = null): void
     {
-        $reflectionType = $reflectionType ?? $parameter->getType();
+        $reflectionType ??= $parameter->getType();
 
         if ($reflectionType instanceof \ReflectionUnionType) {
             foreach ($reflectionType->getTypes() as $t) {
diff --git a/src/Symfony/Component/DependencyInjection/Compiler/DecoratorServicePass.php b/src/Symfony/Component/DependencyInjection/Compiler/DecoratorServicePass.php
index f5493a88bc5de..a0c45d1cf1a89 100644
--- a/src/Symfony/Component/DependencyInjection/Compiler/DecoratorServicePass.php
+++ b/src/Symfony/Component/DependencyInjection/Compiler/DecoratorServicePass.php
@@ -80,7 +80,7 @@ public function process(ContainerBuilder $container)
                 throw new ServiceNotFoundException($inner, $id);
             }
 
-            if ($decoratedDefinition && $decoratedDefinition->isSynthetic()) {
+            if ($decoratedDefinition?->isSynthetic()) {
                 throw new InvalidArgumentException(sprintf('A synthetic service cannot be decorated: service "%s" cannot decorate "%s".', $id, $inner));
             }
 
diff --git a/src/Symfony/Component/DependencyInjection/Compiler/PriorityTaggedServiceTrait.php b/src/Symfony/Component/DependencyInjection/Compiler/PriorityTaggedServiceTrait.php
index 0126747f7f781..afc081ec1bad8 100644
--- a/src/Symfony/Component/DependencyInjection/Compiler/PriorityTaggedServiceTrait.php
+++ b/src/Symfony/Component/DependencyInjection/Compiler/PriorityTaggedServiceTrait.php
@@ -68,7 +68,7 @@ private function findAndSortTaggedServices(string|TaggedIteratorArgument $tagNam
                 } elseif (null === $defaultPriority && $defaultPriorityMethod && $class) {
                     $defaultPriority = PriorityTaggedServiceUtil::getDefault($container, $serviceId, $class, $defaultPriorityMethod, $tagName, 'priority', $checkTaggedItem);
                 }
-                $priority = $priority ?? $defaultPriority ?? $defaultPriority = 0;
+                $priority ??= $defaultPriority ??= 0;
 
                 if (null === $indexAttribute && !$defaultIndexMethod && !$needsIndexes) {
                     $services[] = [$priority, ++$i, null, $serviceId, null];
@@ -80,7 +80,7 @@ private function findAndSortTaggedServices(string|TaggedIteratorArgument $tagNam
                 } elseif (null === $defaultIndex && $defaultPriorityMethod && $class) {
                     $defaultIndex = PriorityTaggedServiceUtil::getDefault($container, $serviceId, $class, $defaultIndexMethod ?? 'getDefaultName', $tagName, $indexAttribute, $checkTaggedItem);
                 }
-                $index = $index ?? $defaultIndex ?? $defaultIndex = $serviceId;
+                $index ??= $defaultIndex ??= $serviceId;
 
                 $services[] = [$priority, ++$i, $index, $serviceId, $class];
             }
@@ -114,9 +114,6 @@ private function findAndSortTaggedServices(string|TaggedIteratorArgument $tagNam
  */
 class PriorityTaggedServiceUtil
 {
-    /**
-     * @return string|int|null
-     */
     public static function getDefault(ContainerBuilder $container, string $serviceId, string $class, string $defaultMethod, string $tagName, ?string $indexAttribute, bool $checkTaggedItem): string|int|null
     {
         if (!($r = $container->getReflectionClass($class)) || (!$checkTaggedItem && !$r->hasMethod($defaultMethod))) {
diff --git a/src/Symfony/Component/DependencyInjection/Compiler/ResolveInstanceofConditionalsPass.php b/src/Symfony/Component/DependencyInjection/Compiler/ResolveInstanceofConditionalsPass.php
index b211b84e1336d..a6f5187782f74 100644
--- a/src/Symfony/Component/DependencyInjection/Compiler/ResolveInstanceofConditionalsPass.php
+++ b/src/Symfony/Component/DependencyInjection/Compiler/ResolveInstanceofConditionalsPass.php
@@ -73,7 +73,7 @@ private function processDefinition(ContainerBuilder $container, string $id, Defi
         $parent = $definition instanceof ChildDefinition ? $definition->getParent() : null;
 
         foreach ($conditionals as $interface => $instanceofDefs) {
-            if ($interface !== $class && !($reflectionClass ?? $reflectionClass = $container->getReflectionClass($class, false) ?: false)) {
+            if ($interface !== $class && !($reflectionClass ??= $container->getReflectionClass($class, false) ?: false)) {
                 continue;
             }
 
diff --git a/src/Symfony/Component/DependencyInjection/Container.php b/src/Symfony/Component/DependencyInjection/Container.php
index 0532120adf80b..b9dd8388988b0 100644
--- a/src/Symfony/Component/DependencyInjection/Container.php
+++ b/src/Symfony/Component/DependencyInjection/Container.php
@@ -380,7 +380,7 @@ final protected function getService(string|false $registry, string $id, ?string
             return false !== $registry ? $this->{$registry}[$id] ?? null : null;
         }
         if (false !== $registry) {
-            return $this->{$registry}[$id] ?? $this->{$registry}[$id] = $load ? $this->load($method) : $this->{$method}();
+            return $this->{$registry}[$id] ??= $load ? $this->load($method) : $this->{$method}();
         }
         if (!$load) {
             return $this->{$method}();
diff --git a/src/Symfony/Component/DependencyInjection/Definition.php b/src/Symfony/Component/DependencyInjection/Definition.php
index dd38841487821..34638059fe86b 100644
--- a/src/Symfony/Component/DependencyInjection/Definition.php
+++ b/src/Symfony/Component/DependencyInjection/Definition.php
@@ -710,8 +710,6 @@ public function setConfigurator(string|array|Reference|null $configurator): stat
 
     /**
      * Gets the configurator to call after the service is fully initialized.
-     *
-     * @return string|array|null
      */
     public function getConfigurator(): string|array|null
     {
diff --git a/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php b/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php
index cbbbcc76d8dac..dd9e2be24dc9f 100644
--- a/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php
+++ b/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php
@@ -221,7 +221,7 @@ public function dump(array $options = []): string|array
             $this->addDefaultParametersMethod()
         ;
 
-        $proxyClasses = $proxyClasses ?? $this->generateProxyClasses();
+        $proxyClasses ??= $this->generateProxyClasses();
 
         if ($this->addGetService) {
             $code = preg_replace(
@@ -1802,7 +1802,7 @@ private function dumpValue(mixed $value, bool $interpolate = true): string
             if ($value->hasErrors() && $e = $value->getErrors()) {
                 return sprintf('throw new RuntimeException(%s)', $this->export(reset($e)));
             }
-            if (null !== $this->definitionVariables && $this->definitionVariables->contains($value)) {
+            if ($this->definitionVariables?->contains($value)) {
                 return $this->dumpValue($this->definitionVariables[$value], $interpolate);
             }
             if ($value->getMethodCalls()) {
diff --git a/src/Symfony/Component/DependencyInjection/Loader/PhpFileLoader.php b/src/Symfony/Component/DependencyInjection/Loader/PhpFileLoader.php
index 386f5d7edad89..2bc6484a3d661 100644
--- a/src/Symfony/Component/DependencyInjection/Loader/PhpFileLoader.php
+++ b/src/Symfony/Component/DependencyInjection/Loader/PhpFileLoader.php
@@ -135,7 +135,7 @@ private function executeCallback(callable $callback, ContainerConfigurator $cont
                 default:
                     try {
                         $configBuilder = $this->configBuilder($type);
-                    } catch (InvalidArgumentException | \LogicException $e) {
+                    } catch (InvalidArgumentException|\LogicException $e) {
                         throw new \InvalidArgumentException(sprintf('Could not resolve argument "%s" for "%s".', $type.' $'.$parameter->getName(), $path), 0, $e);
                     }
                     $configBuilders[] = $configBuilder;
diff --git a/src/Symfony/Component/DependencyInjection/ParameterBag/ContainerBag.php b/src/Symfony/Component/DependencyInjection/ParameterBag/ContainerBag.php
index b3f23302155b6..40f263cf739ae 100644
--- a/src/Symfony/Component/DependencyInjection/ParameterBag/ContainerBag.php
+++ b/src/Symfony/Component/DependencyInjection/ParameterBag/ContainerBag.php
@@ -35,8 +35,6 @@ public function all(): array
 
     /**
      * {@inheritdoc}
-     *
-     * @return array|bool|string|int|float|null
      */
     public function get(string $name): array|bool|string|int|float|null
     {
diff --git a/src/Symfony/Component/DependencyInjection/ParameterBag/ParameterBagInterface.php b/src/Symfony/Component/DependencyInjection/ParameterBag/ParameterBagInterface.php
index 6b9cc4c951e5c..7e276fd8f35c7 100644
--- a/src/Symfony/Component/DependencyInjection/ParameterBag/ParameterBagInterface.php
+++ b/src/Symfony/Component/DependencyInjection/ParameterBag/ParameterBagInterface.php
@@ -43,8 +43,6 @@ public function all(): array;
     /**
      * Gets a service container parameter.
      *
-     * @return array|bool|string|int|float|null
-     *
      * @throws ParameterNotFoundException if the parameter is not defined
      */
     public function get(string $name): array|bool|string|int|float|null;
diff --git a/src/Symfony/Component/DomCrawler/Crawler.php b/src/Symfony/Component/DomCrawler/Crawler.php
index 8397d75b20f14..ddf437c93ade1 100644
--- a/src/Symfony/Component/DomCrawler/Crawler.php
+++ b/src/Symfony/Component/DomCrawler/Crawler.php
@@ -629,8 +629,6 @@ public function outerHtml(): string
      *
      * Since an XPath expression might evaluate to either a simple type or a \DOMNodeList,
      * this method will return either an array of simple types or a new Crawler instance.
-     *
-     * @return array|Crawler
      */
     public function evaluate(string $xpath): array|Crawler
     {
@@ -1085,11 +1083,11 @@ private function convertToHtmlEntities(string $htmlContent, string $charset = 'U
 
         try {
             return mb_convert_encoding($htmlContent, 'HTML-ENTITIES', $charset);
-        } catch (\Exception | \ValueError $e) {
+        } catch (\Exception|\ValueError $e) {
             try {
                 $htmlContent = iconv($charset, 'UTF-8', $htmlContent);
                 $htmlContent = mb_convert_encoding($htmlContent, 'HTML-ENTITIES', 'UTF-8');
-            } catch (\Exception | \ValueError $e) {
+            } catch (\Exception|\ValueError $e) {
             }
 
             return $htmlContent;
diff --git a/src/Symfony/Component/Dotenv/Command/DebugCommand.php b/src/Symfony/Component/Dotenv/Command/DebugCommand.php
index 8ceb1fd484845..925d99328eeb9 100644
--- a/src/Symfony/Component/Dotenv/Command/DebugCommand.php
+++ b/src/Symfony/Component/Dotenv/Command/DebugCommand.php
@@ -91,7 +91,7 @@ private function getVariables(array $envFiles): array
             $realValue = $_SERVER[$var];
             $varDetails = [$var, $realValue];
             foreach ($envFiles as $envFile) {
-                $values = $fileValues[$envFile] ?? $fileValues[$envFile] = $this->loadValues($envFile);
+                $values = $fileValues[$envFile] ??= $this->loadValues($envFile);
 
                 $varString = $values[$var] ?? '<fg=yellow>n/a</>';
                 $shortenedVar = $this->getHelper('formatter')->truncate($varString, 30);
diff --git a/src/Symfony/Component/Dotenv/Dotenv.php b/src/Symfony/Component/Dotenv/Dotenv.php
index b4beea383f8f3..c12e14406a9e8 100644
--- a/src/Symfony/Component/Dotenv/Dotenv.php
+++ b/src/Symfony/Component/Dotenv/Dotenv.php
@@ -72,8 +72,8 @@ public function usePutenv(bool $usePutenv = true): static
     /**
      * Loads one or several .env files.
      *
-     * @param string    $path       A file to load
-     * @param ...string $extraPaths A list of additional files to load
+     * @param string   $path          A file to load
+     * @param string[] ...$extraPaths A list of additional files to load
      *
      * @throws FormatException when a file has a syntax error
      * @throws PathException   when a file does not exist or is not readable
@@ -158,8 +158,8 @@ public function bootEnv(string $path, string $defaultEnv = 'dev', array $testEnv
     /**
      * Loads one or several .env files and enables override existing vars.
      *
-     * @param string    $path       A file to load
-     * @param ...string $extraPaths A list of additional files to load
+     * @param string   $path          A file to load
+     * @param string[] ...$extraPaths A list of additional files to load
      *
      * @throws FormatException when a file has a syntax error
      * @throws PathException   when a file does not exist or is not readable
@@ -304,7 +304,7 @@ private function lexValue(): string
             throw $this->createFormatException('Whitespace are not supported before the value');
         }
 
-        $loadedVars = array_flip(explode(',', $_SERVER['SYMFONY_DOTENV_VARS'] ?? ($_ENV['SYMFONY_DOTENV_VARS'] ?? '')));
+        $loadedVars = array_flip(explode(',', $_SERVER['SYMFONY_DOTENV_VARS'] ?? $_ENV['SYMFONY_DOTENV_VARS'] ?? ''));
         unset($loadedVars['']);
         $v = '';
 
diff --git a/src/Symfony/Component/ErrorHandler/DebugClassLoader.php b/src/Symfony/Component/ErrorHandler/DebugClassLoader.php
index d9aaa90a0b0f4..85b486a97dede 100644
--- a/src/Symfony/Component/ErrorHandler/DebugClassLoader.php
+++ b/src/Symfony/Component/ErrorHandler/DebugClassLoader.php
@@ -553,7 +553,7 @@ public function checkAnnotations(\ReflectionClass $refl, string $class): array
                 $this->patchReturnTypeWillChange($method);
             }
 
-            if (null !== ($returnType ?? $returnType = self::MAGIC_METHODS[$method->name] ?? null) && !$method->hasReturnType() && !isset($doc['return'])) {
+            if (null !== ($returnType ??= self::MAGIC_METHODS[$method->name] ?? null) && !$method->hasReturnType() && !isset($doc['return'])) {
                 [$normalizedType, $returnType, $declaringClass, $declaringFile] = \is_string($returnType) ? [$returnType, $returnType, '', ''] : $returnType;
 
                 if ($canAddReturnType && 'docblock' !== $this->patchTypes['force']) {
@@ -935,10 +935,10 @@ private function patchMethod(\ReflectionMethod $method, string $returnType, stri
                 continue;
             }
 
-            [$namespace, $useOffset, $useMap] = $useStatements[$file] ?? $useStatements[$file] = self::getUseStatements($file);
+            [$namespace, $useOffset, $useMap] = $useStatements[$file] ??= self::getUseStatements($file);
 
             if ('\\' !== $type[0]) {
-                [$declaringNamespace, , $declaringUseMap] = $useStatements[$declaringFile] ?? $useStatements[$declaringFile] = self::getUseStatements($declaringFile);
+                [$declaringNamespace, , $declaringUseMap] = $useStatements[$declaringFile] ??= self::getUseStatements($declaringFile);
 
                 $p = strpos($type, '\\', 1);
                 $alias = $p ? substr($type, 0, $p) : $type;
diff --git a/src/Symfony/Component/ErrorHandler/Resources/bin/extract-tentative-return-types.php b/src/Symfony/Component/ErrorHandler/Resources/bin/extract-tentative-return-types.php
index a4d2c201c04da..cc98f58b58fa0 100755
--- a/src/Symfony/Component/ErrorHandler/Resources/bin/extract-tentative-return-types.php
+++ b/src/Symfony/Component/ErrorHandler/Resources/bin/extract-tentative-return-types.php
@@ -40,7 +40,7 @@ class TentativeTypes
 
 EOPHP;
 
-while (false !== $file = fgets(STDIN)) {
+while (false !== $file = fgets(\STDIN)) {
     $code = file_get_contents(substr($file, 0, -1));
 
     if (!str_contains($code, '@tentative-return-type')) {
diff --git a/src/Symfony/Component/EventDispatcher/Debug/TraceableEventDispatcher.php b/src/Symfony/Component/EventDispatcher/Debug/TraceableEventDispatcher.php
index e375f7a1bd517..ddbc588c6ba54 100644
--- a/src/Symfony/Component/EventDispatcher/Debug/TraceableEventDispatcher.php
+++ b/src/Symfony/Component/EventDispatcher/Debug/TraceableEventDispatcher.php
@@ -131,7 +131,7 @@ public function hasListeners(string $eventName = null): bool
      */
     public function dispatch(object $event, string $eventName = null): object
     {
-        $eventName = $eventName ?? \get_class($event);
+        $eventName ??= \get_class($event);
 
         if (null === $this->callStack) {
             $this->callStack = new \SplObjectStorage();
diff --git a/src/Symfony/Component/EventDispatcher/EventDispatcher.php b/src/Symfony/Component/EventDispatcher/EventDispatcher.php
index 33d91b7d28e3d..c9cfd64a75258 100644
--- a/src/Symfony/Component/EventDispatcher/EventDispatcher.php
+++ b/src/Symfony/Component/EventDispatcher/EventDispatcher.php
@@ -47,7 +47,7 @@ public function __construct()
      */
     public function dispatch(object $event, string $eventName = null): object
     {
-        $eventName = $eventName ?? \get_class($event);
+        $eventName ??= \get_class($event);
 
         if (isset($this->optimized)) {
             $listeners = $this->optimized[$eventName] ?? (empty($this->listeners[$eventName]) ? [] : $this->optimizeListeners($eventName));
@@ -99,14 +99,14 @@ public function getListenerPriority(string $eventName, callable|array $listener)
 
         if (\is_array($listener) && isset($listener[0]) && $listener[0] instanceof \Closure && 2 >= \count($listener)) {
             $listener[0] = $listener[0]();
-            $listener[1] = $listener[1] ?? '__invoke';
+            $listener[1] ??= '__invoke';
         }
 
         foreach ($this->listeners[$eventName] as $priority => &$listeners) {
             foreach ($listeners as &$v) {
                 if ($v !== $listener && \is_array($v) && isset($v[0]) && $v[0] instanceof \Closure && 2 >= \count($v)) {
                     $v[0] = $v[0]();
-                    $v[1] = $v[1] ?? '__invoke';
+                    $v[1] ??= '__invoke';
                 }
                 if ($v === $listener) {
                     return $priority;
@@ -155,14 +155,14 @@ public function removeListener(string $eventName, callable|array $listener)
 
         if (\is_array($listener) && isset($listener[0]) && $listener[0] instanceof \Closure && 2 >= \count($listener)) {
             $listener[0] = $listener[0]();
-            $listener[1] = $listener[1] ?? '__invoke';
+            $listener[1] ??= '__invoke';
         }
 
         foreach ($this->listeners[$eventName] as $priority => &$listeners) {
             foreach ($listeners as $k => &$v) {
                 if ($v !== $listener && \is_array($v) && isset($v[0]) && $v[0] instanceof \Closure && 2 >= \count($v)) {
                     $v[0] = $v[0]();
-                    $v[1] = $v[1] ?? '__invoke';
+                    $v[1] ??= '__invoke';
                 }
                 if ($v === $listener) {
                     unset($listeners[$k], $this->sorted[$eventName], $this->optimized[$eventName]);
@@ -243,7 +243,7 @@ private function sortListeners(string $eventName)
             foreach ($listeners as $k => &$listener) {
                 if (\is_array($listener) && isset($listener[0]) && $listener[0] instanceof \Closure && 2 >= \count($listener)) {
                     $listener[0] = $listener[0]();
-                    $listener[1] = $listener[1] ?? '__invoke';
+                    $listener[1] ??= '__invoke';
                 }
                 $this->sorted[$eventName][] = $listener;
             }
@@ -265,7 +265,7 @@ private function optimizeListeners(string $eventName): array
                     $closure = static function (...$args) use (&$listener, &$closure) {
                         if ($listener[0] instanceof \Closure) {
                             $listener[0] = $listener[0]();
-                            $listener[1] = $listener[1] ?? '__invoke';
+                            $listener[1] ??= '__invoke';
                         }
                         ($closure = \Closure::fromCallable($listener))(...$args);
                     };
diff --git a/src/Symfony/Component/Form/Button.php b/src/Symfony/Component/Form/Button.php
index 92d00ee14554f..7c80d03e341ec 100644
--- a/src/Symfony/Component/Form/Button.php
+++ b/src/Symfony/Component/Form/Button.php
@@ -271,7 +271,7 @@ public function isRequired(): bool
      */
     public function isDisabled(): bool
     {
-        if ($this->parent && $this->parent->isDisabled()) {
+        if ($this->parent?->isDisabled()) {
             return true;
         }
 
diff --git a/src/Symfony/Component/Form/Command/DebugCommand.php b/src/Symfony/Component/Form/Command/DebugCommand.php
index d5545a67042c8..c58dc2217d339 100644
--- a/src/Symfony/Component/Form/Command/DebugCommand.php
+++ b/src/Symfony/Component/Form/Command/DebugCommand.php
@@ -275,7 +275,7 @@ private function completeOptions(string $class, CompletionSuggestions $suggestio
         if (!class_exists($class) || !is_subclass_of($class, FormTypeInterface::class)) {
             $classes = $this->getFqcnTypeClasses($class);
 
-            if (1 === count($classes)) {
+            if (1 === \count($classes)) {
                 $class = $classes[0];
             }
         }
diff --git a/src/Symfony/Component/Form/Extension/DataCollector/FormDataCollector.php b/src/Symfony/Component/Form/Extension/DataCollector/FormDataCollector.php
index 023a63fe174df..f4640f1ff07b1 100644
--- a/src/Symfony/Component/Form/Extension/DataCollector/FormDataCollector.php
+++ b/src/Symfony/Component/Form/Extension/DataCollector/FormDataCollector.php
@@ -326,9 +326,7 @@ private function &recursiveBuildFinalFormTree(FormInterface $form = null, FormVi
         foreach ($view->children as $name => $childView) {
             // The CSRF token, for example, is never added to the form tree.
             // It is only present in the view.
-            $childForm = null !== $form && $form->has($name)
-                ? $form->get($name)
-                : null;
+            $childForm = $form?->has($name) ? $form->get($name) : null;
 
             $output['children'][$name] = &$this->recursiveBuildFinalFormTree($childForm, $childView, $outputByHash);
         }
diff --git a/src/Symfony/Component/Form/Extension/DataCollector/FormDataCollectorInterface.php b/src/Symfony/Component/Form/Extension/DataCollector/FormDataCollectorInterface.php
index f51773e405c63..0e1d32bfc857c 100644
--- a/src/Symfony/Component/Form/Extension/DataCollector/FormDataCollectorInterface.php
+++ b/src/Symfony/Component/Form/Extension/DataCollector/FormDataCollectorInterface.php
@@ -78,8 +78,6 @@ public function buildFinalFormTree(FormInterface $form, FormView $view);
 
     /**
      * Returns all collected data.
-     *
-     * @return array|Data
      */
     public function getData(): array|Data;
 }
diff --git a/src/Symfony/Component/Form/Form.php b/src/Symfony/Component/Form/Form.php
index bed1fcb6c376c..394f6a89f2b19 100644
--- a/src/Symfony/Component/Form/Form.php
+++ b/src/Symfony/Component/Form/Form.php
@@ -196,7 +196,7 @@ public function getPropertyPath(): ?PropertyPathInterface
 
         $parent = $this->parent;
 
-        while ($parent && $parent->getConfig()->getInheritData()) {
+        while ($parent?->getConfig()->getInheritData()) {
             $parent = $parent->getParent();
         }
 
@@ -727,8 +727,6 @@ public function isValid(): bool
 
     /**
      * Returns the button that was used to submit the form.
-     *
-     * @return FormInterface|ClickableInterface|null
      */
     public function getClickedButton(): FormInterface|ClickableInterface|null
     {
diff --git a/src/Symfony/Component/Form/Guess/ValueGuess.php b/src/Symfony/Component/Form/Guess/ValueGuess.php
index ddc8b53dd5e1f..36abe6602d723 100644
--- a/src/Symfony/Component/Form/Guess/ValueGuess.php
+++ b/src/Symfony/Component/Form/Guess/ValueGuess.php
@@ -32,8 +32,6 @@ public function __construct(string|int|bool|null $value, int $confidence)
 
     /**
      * Returns the guessed value.
-     *
-     * @return string|int|bool|null
      */
     public function getValue(): string|int|bool|null
     {
diff --git a/src/Symfony/Component/HttpClient/HttpClient.php b/src/Symfony/Component/HttpClient/HttpClient.php
index c3f9583d1c0ec..dd4acf89c8b36 100644
--- a/src/Symfony/Component/HttpClient/HttpClient.php
+++ b/src/Symfony/Component/HttpClient/HttpClient.php
@@ -41,10 +41,10 @@ public static function create(array $defaultOptions = [], int $maxHostConnection
             }
 
             static $curlVersion = null;
-            $curlVersion = $curlVersion ?? curl_version();
+            $curlVersion ??= curl_version();
 
             // HTTP/2 push crashes before curl 7.61
-            if (0x073d00 > $curlVersion['version_number'] || !(\CURL_VERSION_HTTP2 & $curlVersion['features'])) {
+            if (0x073D00 > $curlVersion['version_number'] || !(\CURL_VERSION_HTTP2 & $curlVersion['features'])) {
                 return new AmpHttpClient($defaultOptions, null, $maxHostConnections, $maxPendingPushes);
             }
         }
diff --git a/src/Symfony/Component/HttpClient/HttpClientTrait.php b/src/Symfony/Component/HttpClient/HttpClientTrait.php
index cecb1c0d9220d..08724df555919 100644
--- a/src/Symfony/Component/HttpClient/HttpClientTrait.php
+++ b/src/Symfony/Component/HttpClient/HttpClientTrait.php
@@ -186,7 +186,7 @@ private static function mergeDefaultOptions(array $options, array $defaultOption
         }
 
         // Option "query" is never inherited from defaults
-        $options['query'] = $options['query'] ?? [];
+        $options['query'] ??= [];
 
         foreach ($defaultOptions as $k => $v) {
             if ('normalized_headers' !== $k && !isset($options[$k])) {
@@ -381,7 +381,7 @@ private static function normalizePeerFingerprint(mixed $fingerprint): array
      */
     private static function jsonEncode(mixed $value, int $flags = null, int $maxDepth = 512): string
     {
-        $flags = $flags ?? (\JSON_HEX_TAG | \JSON_HEX_APOS | \JSON_HEX_AMP | \JSON_HEX_QUOT | \JSON_PRESERVE_ZERO_FRACTION);
+        $flags ??= \JSON_HEX_TAG | \JSON_HEX_APOS | \JSON_HEX_AMP | \JSON_HEX_QUOT | \JSON_PRESERVE_ZERO_FRACTION;
 
         try {
             $value = json_encode($value, $flags | \JSON_THROW_ON_ERROR, $maxDepth);
@@ -421,7 +421,7 @@ private static function resolveUrl(array $url, ?array $base, array $queryDefault
             } else {
                 if (null === $url['path']) {
                     $url['path'] = $base['path'];
-                    $url['query'] = $url['query'] ?? $base['query'];
+                    $url['query'] ??= $base['query'];
                 } else {
                     if ('/' !== $url['path'][0]) {
                         if (null === $base['path']) {
@@ -617,7 +617,7 @@ private static function getProxy(?string $proxy, array $url, ?string $noProxy):
             throw new TransportException(sprintf('Unsupported proxy scheme "%s": "http" or "https" expected.', $proxy['scheme']));
         }
 
-        $noProxy = $noProxy ?? $_SERVER['no_proxy'] ?? $_SERVER['NO_PROXY'] ?? '';
+        $noProxy ??= $_SERVER['no_proxy'] ?? $_SERVER['NO_PROXY'] ?? '';
         $noProxy = $noProxy ? preg_split('/[\s,]+/', $noProxy) : [];
 
         return [
diff --git a/src/Symfony/Component/HttpClient/Response/AmpResponse.php b/src/Symfony/Component/HttpClient/Response/AmpResponse.php
index 72d644e2b1a3a..6a28e55a80f58 100644
--- a/src/Symfony/Component/HttpClient/Response/AmpResponse.php
+++ b/src/Symfony/Component/HttpClient/Response/AmpResponse.php
@@ -309,7 +309,7 @@ private static function followRedirects(Request $originRequest, AmpClientState $
             };
 
             try {
-                $previousUrl = $previousUrl ?? $urlResolver::parseUrl($info['url']);
+                $previousUrl ??= $urlResolver::parseUrl($info['url']);
                 $location = $urlResolver::parseUrl($location);
                 $location = $urlResolver::resolveUrl($location, $previousUrl);
                 $info['redirect_url'] = implode('', $location);
@@ -327,7 +327,7 @@ private static function followRedirects(Request $originRequest, AmpClientState $
                 // Discard body of redirects
                 while (null !== yield $response->getBody()->read()) {
                 }
-            } catch (HttpException | StreamException $e) {
+            } catch (HttpException|StreamException $e) {
                 // Ignore streaming errors on previous responses
             }
 
diff --git a/src/Symfony/Component/HttpClient/Response/NativeResponse.php b/src/Symfony/Component/HttpClient/Response/NativeResponse.php
index 933a87f63109a..b79d3cc03a54a 100644
--- a/src/Symfony/Component/HttpClient/Response/NativeResponse.php
+++ b/src/Symfony/Component/HttpClient/Response/NativeResponse.php
@@ -364,7 +364,7 @@ private static function select(ClientState $multi, float $timeout): int
                 continue;
             }
 
-            if ($pauseExpiry && ($now ?? $now = microtime(true)) < $pauseExpiry) {
+            if ($pauseExpiry && ($now ??= microtime(true)) < $pauseExpiry) {
                 $timeout = min($timeout, $pauseExpiry - $now);
                 continue;
             }
diff --git a/src/Symfony/Component/HttpClient/Response/TraceableResponse.php b/src/Symfony/Component/HttpClient/Response/TraceableResponse.php
index 1549a6178090e..4d665f4d8c7f4 100644
--- a/src/Symfony/Component/HttpClient/Response/TraceableResponse.php
+++ b/src/Symfony/Component/HttpClient/Response/TraceableResponse.php
@@ -59,7 +59,7 @@ public function __destruct()
         try {
             $this->response->__destruct();
         } finally {
-            if ($this->event && $this->event->isStarted()) {
+            if ($this->event?->isStarted()) {
                 $this->event->stop();
             }
         }
@@ -70,7 +70,7 @@ public function getStatusCode(): int
         try {
             return $this->response->getStatusCode();
         } finally {
-            if ($this->event && $this->event->isStarted()) {
+            if ($this->event?->isStarted()) {
                 $this->event->lap();
             }
         }
@@ -81,7 +81,7 @@ public function getHeaders(bool $throw = true): array
         try {
             return $this->response->getHeaders($throw);
         } finally {
-            if ($this->event && $this->event->isStarted()) {
+            if ($this->event?->isStarted()) {
                 $this->event->lap();
             }
         }
@@ -96,7 +96,7 @@ public function getContent(bool $throw = true): string
 
             return $this->content = $this->response->getContent(false);
         } finally {
-            if ($this->event && $this->event->isStarted()) {
+            if ($this->event?->isStarted()) {
                 $this->event->stop();
             }
             if ($throw) {
@@ -114,7 +114,7 @@ public function toArray(bool $throw = true): array
 
             return $this->content = $this->response->toArray(false);
         } finally {
-            if ($this->event && $this->event->isStarted()) {
+            if ($this->event?->isStarted()) {
                 $this->event->stop();
             }
             if ($throw) {
@@ -127,7 +127,7 @@ public function cancel(): void
     {
         $this->response->cancel();
 
-        if ($this->event && $this->event->isStarted()) {
+        if ($this->event?->isStarted()) {
             $this->event->stop();
         }
     }
diff --git a/src/Symfony/Component/HttpClient/Response/TransportResponseTrait.php b/src/Symfony/Component/HttpClient/Response/TransportResponseTrait.php
index 97b149966ab11..c639eb9fcd1c6 100644
--- a/src/Symfony/Component/HttpClient/Response/TransportResponseTrait.php
+++ b/src/Symfony/Component/HttpClient/Response/TransportResponseTrait.php
@@ -191,7 +191,7 @@ public static function stream(iterable $responses, float $timeout = null): \Gene
                         continue;
                     } elseif ($elapsedTimeout >= $timeoutMax) {
                         $multi->handlesActivity[$j] = [new ErrorChunk($response->offset, sprintf('Idle timeout reached for "%s".', $response->getInfo('url')))];
-                        $multi->lastTimeout ?? $multi->lastTimeout = $lastActivity;
+                        $multi->lastTimeout ??= $lastActivity;
                     } else {
                         continue;
                     }
diff --git a/src/Symfony/Component/HttpClient/Tests/AsyncDecoratorTraitTest.php b/src/Symfony/Component/HttpClient/Tests/AsyncDecoratorTraitTest.php
index 0dfca6d4a2f97..820efde4d9211 100644
--- a/src/Symfony/Component/HttpClient/Tests/AsyncDecoratorTraitTest.php
+++ b/src/Symfony/Component/HttpClient/Tests/AsyncDecoratorTraitTest.php
@@ -34,7 +34,7 @@ protected function getHttpClient(string $testCase, \Closure $chunkFilter = null,
             return HttpClient::create();
         }
 
-        $chunkFilter = $chunkFilter ?? static function (ChunkInterface $chunk, AsyncContext $context) { yield $chunk; };
+        $chunkFilter ??= static function (ChunkInterface $chunk, AsyncContext $context) { yield $chunk; };
 
         return new class($decoratedClient ?? parent::getHttpClient($testCase), $chunkFilter) implements HttpClientInterface {
             use AsyncDecoratorTrait;
diff --git a/src/Symfony/Component/HttpClient/Tests/CurlHttpClientTest.php b/src/Symfony/Component/HttpClient/Tests/CurlHttpClientTest.php
index 8c0c77959fb2e..cf6e5f421a24c 100644
--- a/src/Symfony/Component/HttpClient/Tests/CurlHttpClientTest.php
+++ b/src/Symfony/Component/HttpClient/Tests/CurlHttpClientTest.php
@@ -23,7 +23,7 @@ class CurlHttpClientTest extends HttpClientTestCase
     protected function getHttpClient(string $testCase): HttpClientInterface
     {
         if (str_contains($testCase, 'Push')) {
-            if (!\defined('CURLMOPT_PUSHFUNCTION') || 0x073d00 > ($v = curl_version())['version_number'] || !(\CURL_VERSION_HTTP2 & $v['features'])) {
+            if (!\defined('CURLMOPT_PUSHFUNCTION') || 0x073D00 > ($v = curl_version())['version_number'] || !(\CURL_VERSION_HTTP2 & $v['features'])) {
                 $this->markTestSkipped('curl <7.61 is used or it is not compiled with support for HTTP/2 PUSH');
             }
         }
diff --git a/src/Symfony/Component/HttpClient/Tests/TraceableHttpClientTest.php b/src/Symfony/Component/HttpClient/Tests/TraceableHttpClientTest.php
index 96f0a64c3bb0e..5f20e1989dfa1 100755
--- a/src/Symfony/Component/HttpClient/Tests/TraceableHttpClientTest.php
+++ b/src/Symfony/Component/HttpClient/Tests/TraceableHttpClientTest.php
@@ -218,4 +218,18 @@ public function testStopwatchDestruct()
         $this->assertCount(1, $events['GET http://localhost:8057']->getPeriods());
         $this->assertGreaterThan(0.0, $events['GET http://localhost:8057']->getDuration());
     }
+
+    public function testWithOptions()
+    {
+        $sut = new TraceableHttpClient(new NativeHttpClient());
+
+        $sut2 = $sut->withOptions(['base_uri' => 'http://localhost:8057']);
+
+        $response = $sut2->request('GET', '/');
+
+        $this->assertSame(200, $response->getStatusCode());
+        $this->assertSame('http://localhost:8057/', $response->getInfo('url'));
+
+        $this->assertCount(1, $sut->getTracedRequests());
+    }
 }
diff --git a/src/Symfony/Component/HttpClient/TraceableHttpClient.php b/src/Symfony/Component/HttpClient/TraceableHttpClient.php
index 8872d16ed5aef..a89cfc94d50c3 100644
--- a/src/Symfony/Component/HttpClient/TraceableHttpClient.php
+++ b/src/Symfony/Component/HttpClient/TraceableHttpClient.php
@@ -27,13 +27,14 @@
 final class TraceableHttpClient implements HttpClientInterface, ResetInterface, LoggerAwareInterface
 {
     private HttpClientInterface $client;
-    private array $tracedRequests = [];
     private ?Stopwatch $stopwatch;
+    private \ArrayObject $tracedRequests;
 
     public function __construct(HttpClientInterface $client, Stopwatch $stopwatch = null)
     {
         $this->client = $client;
         $this->stopwatch = $stopwatch;
+        $this->tracedRequests = new \ArrayObject();
     }
 
     /**
@@ -82,7 +83,7 @@ public function stream(ResponseInterface|iterable $responses, float $timeout = n
 
     public function getTracedRequests(): array
     {
-        return $this->tracedRequests;
+        return $this->tracedRequests->getArrayCopy();
     }
 
     public function reset()
@@ -91,7 +92,7 @@ public function reset()
             $this->client->reset();
         }
 
-        $this->tracedRequests = [];
+        $this->tracedRequests->exchangeArray([]);
     }
 
     /**
diff --git a/src/Symfony/Component/HttpFoundation/Response.php b/src/Symfony/Component/HttpFoundation/Response.php
index 70da218aa92ca..accacff8e549b 100644
--- a/src/Symfony/Component/HttpFoundation/Response.php
+++ b/src/Symfony/Component/HttpFoundation/Response.php
@@ -397,8 +397,6 @@ public function setContent(?string $content): static
 
     /**
      * Gets the current response content.
-     *
-     * @return string|false
      */
     public function getContent(): string|false
     {
diff --git a/src/Symfony/Component/HttpFoundation/Session/Session.php b/src/Symfony/Component/HttpFoundation/Session/Session.php
index 1a0230bac516f..35070051bb195 100644
--- a/src/Symfony/Component/HttpFoundation/Session/Session.php
+++ b/src/Symfony/Component/HttpFoundation/Session/Session.php
@@ -45,11 +45,11 @@ public function __construct(SessionStorageInterface $storage = null, AttributeBa
         $this->storage = $storage ?? new NativeSessionStorage();
         $this->usageReporter = $usageReporter instanceof \Closure || !\is_callable($usageReporter) ? $usageReporter : \Closure::fromCallable($usageReporter);
 
-        $attributes = $attributes ?? new AttributeBag();
+        $attributes ??= new AttributeBag();
         $this->attributeName = $attributes->getName();
         $this->registerBag($attributes);
 
-        $flashes = $flashes ?? new FlashBag();
+        $flashes ??= new FlashBag();
         $this->flashName = $flashes->getName();
         $this->registerBag($flashes);
     }
diff --git a/src/Symfony/Component/HttpFoundation/Session/Storage/Handler/PdoSessionHandler.php b/src/Symfony/Component/HttpFoundation/Session/Storage/Handler/PdoSessionHandler.php
index 843fedf0e493b..9ef1c496e1153 100644
--- a/src/Symfony/Component/HttpFoundation/Session/Storage/Handler/PdoSessionHandler.php
+++ b/src/Symfony/Component/HttpFoundation/Session/Storage/Handler/PdoSessionHandler.php
@@ -454,7 +454,7 @@ private function buildDsnFromUrl(string $dsnOrUrl): string
             // If "unix_socket" is not in the query, we continue with the same process as pgsql
             // no break
             case 'pgsql':
-                $dsn ?? $dsn = 'pgsql:';
+                $dsn ??= 'pgsql:';
 
                 if (isset($params['host']) && '' !== $params['host']) {
                     $dsn .= 'host='.$params['host'].';';
@@ -582,7 +582,7 @@ protected function doRead(string $sessionId): string
         $selectStmt->bindParam(':id', $sessionId, \PDO::PARAM_STR);
         $insertStmt = null;
 
-        do {
+        while (true) {
             $selectStmt->execute();
             $sessionRows = $selectStmt->fetchAll(\PDO::FETCH_NUM);
 
@@ -628,7 +628,7 @@ protected function doRead(string $sessionId): string
             }
 
             return '';
-        } while (true);
+        }
     }
 
     /**
diff --git a/src/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorage.php b/src/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorage.php
index eb3210d4a4b1f..09b33d5b18fa7 100644
--- a/src/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorage.php
+++ b/src/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorage.php
@@ -112,8 +112,6 @@ public function __construct(array $options = [], AbstractProxy|\SessionHandlerIn
 
     /**
      * Gets the save handler instance.
-     *
-     * @return AbstractProxy|\SessionHandlerInterface
      */
     public function getSaveHandler(): AbstractProxy|\SessionHandlerInterface
     {
diff --git a/src/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorageFactory.php b/src/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorageFactory.php
index ecbd6feb7bc09..08901284c33a2 100644
--- a/src/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorageFactory.php
+++ b/src/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorageFactory.php
@@ -41,7 +41,7 @@ public function __construct(array $options = [], AbstractProxy|\SessionHandlerIn
     public function createStorage(?Request $request): SessionStorageInterface
     {
         $storage = new NativeSessionStorage($this->options, $this->handler, $this->metaBag);
-        if ($this->secure && $request && $request->isSecure()) {
+        if ($this->secure && $request?->isSecure()) {
             $storage->setOptions(['cookie_secure' => true]);
         }
 
diff --git a/src/Symfony/Component/HttpFoundation/Session/Storage/PhpBridgeSessionStorageFactory.php b/src/Symfony/Component/HttpFoundation/Session/Storage/PhpBridgeSessionStorageFactory.php
index 6d729cc66c16e..5cc73802422f3 100644
--- a/src/Symfony/Component/HttpFoundation/Session/Storage/PhpBridgeSessionStorageFactory.php
+++ b/src/Symfony/Component/HttpFoundation/Session/Storage/PhpBridgeSessionStorageFactory.php
@@ -36,7 +36,7 @@ public function __construct(AbstractProxy|\SessionHandlerInterface $handler = nu
     public function createStorage(?Request $request): SessionStorageInterface
     {
         $storage = new PhpBridgeSessionStorage($this->handler, $this->metaBag);
-        if ($this->secure && $request && $request->isSecure()) {
+        if ($this->secure && $request?->isSecure()) {
             $storage->setOptions(['cookie_secure' => true]);
         }
 
diff --git a/src/Symfony/Component/HttpKernel/Controller/ControllerResolver.php b/src/Symfony/Component/HttpKernel/Controller/ControllerResolver.php
index e2626e0bb2c86..c9b5003c4d113 100644
--- a/src/Symfony/Component/HttpKernel/Controller/ControllerResolver.php
+++ b/src/Symfony/Component/HttpKernel/Controller/ControllerResolver.php
@@ -45,7 +45,7 @@ public function getController(Request $request): callable|false
             if (isset($controller[0]) && \is_string($controller[0]) && isset($controller[1])) {
                 try {
                     $controller[0] = $this->instantiateController($controller[0]);
-                } catch (\Error | \LogicException $e) {
+                } catch (\Error|\LogicException $e) {
                     if (\is_callable($controller)) {
                         return $controller;
                     }
@@ -107,7 +107,7 @@ protected function createController(string $controller): callable
 
         try {
             $controller = [$this->instantiateController($class), $method];
-        } catch (\Error | \LogicException $e) {
+        } catch (\Error|\LogicException $e) {
             try {
                 if ((new \ReflectionMethod($class, $method))->isStatic()) {
                     return $class.'::'.$method;
diff --git a/src/Symfony/Component/HttpKernel/DataCollector/ExceptionDataCollector.php b/src/Symfony/Component/HttpKernel/DataCollector/ExceptionDataCollector.php
index ce05e70a8cdb7..382e2dc40df9a 100644
--- a/src/Symfony/Component/HttpKernel/DataCollector/ExceptionDataCollector.php
+++ b/src/Symfony/Component/HttpKernel/DataCollector/ExceptionDataCollector.php
@@ -47,9 +47,6 @@ public function hasException(): bool
         return isset($this->data['exception']);
     }
 
-    /**
-     * @return \Exception|FlattenException
-     */
     public function getException(): \Exception|FlattenException
     {
         return $this->data['exception'];
diff --git a/src/Symfony/Component/HttpKernel/DataCollector/RequestDataCollector.php b/src/Symfony/Component/HttpKernel/DataCollector/RequestDataCollector.php
index b3c9c786721f4..1ff67e4f7d7bb 100644
--- a/src/Symfony/Component/HttpKernel/DataCollector/RequestDataCollector.php
+++ b/src/Symfony/Component/HttpKernel/DataCollector/RequestDataCollector.php
@@ -110,7 +110,7 @@ public function collect(Request $request, Response $response, \Throwable $except
             'session_metadata' => $sessionMetadata,
             'session_attributes' => $sessionAttributes,
             'session_usages' => array_values($this->sessionUsages),
-            'stateless_check' => $this->requestStack && $this->requestStack->getMainRequest()->attributes->get('_stateless', false),
+            'stateless_check' => $this->requestStack?->getMainRequest()->attributes->get('_stateless') ?? false,
             'flashes' => $flashes,
             'path_info' => $request->getPathInfo(),
             'controller' => 'n/a',
diff --git a/src/Symfony/Component/HttpKernel/EventListener/AbstractSessionListener.php b/src/Symfony/Component/HttpKernel/EventListener/AbstractSessionListener.php
index 75c78703ff199..2312cf868d4a7 100644
--- a/src/Symfony/Component/HttpKernel/EventListener/AbstractSessionListener.php
+++ b/src/Symfony/Component/HttpKernel/EventListener/AbstractSessionListener.php
@@ -209,11 +209,11 @@ public function onSessionUsage(): void
             return;
         }
 
-        if ($this->container && $this->container->has('session_collector')) {
+        if ($this->container?->has('session_collector')) {
             $this->container->get('session_collector')();
         }
 
-        if (!$requestStack = $this->container && $this->container->has('request_stack') ? $this->container->get('request_stack') : null) {
+        if (!$requestStack = $this->container?->has('request_stack') ? $this->container->get('request_stack') : null) {
             return;
         }
 
diff --git a/src/Symfony/Component/HttpKernel/EventListener/DebugHandlersListener.php b/src/Symfony/Component/HttpKernel/EventListener/DebugHandlersListener.php
index 4726a069783a8..2bfd139b8421b 100644
--- a/src/Symfony/Component/HttpKernel/EventListener/DebugHandlersListener.php
+++ b/src/Symfony/Component/HttpKernel/EventListener/DebugHandlersListener.php
@@ -55,7 +55,7 @@ public function __construct(callable $exceptionHandler = null, LoggerInterface $
         $this->earlyHandler = \is_array($handler) ? $handler[0] : null;
         restore_exception_handler();
 
-        $this->exceptionHandler = $exceptionHandler === null || $exceptionHandler instanceof \Closure ? $exceptionHandler : \Closure::fromCallable($exceptionHandler);
+        $this->exceptionHandler = null === $exceptionHandler || $exceptionHandler instanceof \Closure ? $exceptionHandler : \Closure::fromCallable($exceptionHandler);
         $this->logger = $logger;
         $this->levels = $levels ?? \E_ALL;
         $this->throwAt = \is_int($throwAt) ? $throwAt : (null === $throwAt ? null : ($throwAt ? \E_ALL : null));
diff --git a/src/Symfony/Component/HttpKernel/EventListener/ErrorListener.php b/src/Symfony/Component/HttpKernel/EventListener/ErrorListener.php
index d8d7060eaba52..8bac8afe268e9 100644
--- a/src/Symfony/Component/HttpKernel/EventListener/ErrorListener.php
+++ b/src/Symfony/Component/HttpKernel/EventListener/ErrorListener.php
@@ -19,6 +19,7 @@
 use Symfony\Component\HttpKernel\Event\ControllerArgumentsEvent;
 use Symfony\Component\HttpKernel\Event\ExceptionEvent;
 use Symfony\Component\HttpKernel\Event\ResponseEvent;
+use Symfony\Component\HttpKernel\Exception\HttpException;
 use Symfony\Component\HttpKernel\Exception\HttpExceptionInterface;
 use Symfony\Component\HttpKernel\HttpKernelInterface;
 use Symfony\Component\HttpKernel\KernelEvents;
@@ -46,6 +47,7 @@ public function logKernelException(ExceptionEvent $event)
     {
         $throwable = $event->getThrowable();
         $logLevel = null;
+
         foreach ($this->exceptionsMapping as $class => $config) {
             if ($throwable instanceof $class && $config['log_level']) {
                 $logLevel = $config['log_level'];
@@ -53,6 +55,18 @@ public function logKernelException(ExceptionEvent $event)
             }
         }
 
+        foreach ($this->exceptionsMapping as $class => $config) {
+            if (!$throwable instanceof $class || !$config['status_code']) {
+                continue;
+            }
+            if (!$throwable instanceof HttpExceptionInterface || $throwable->getStatusCode() !== $config['status_code']) {
+                $headers = $throwable instanceof HttpExceptionInterface ? $throwable->getHeaders() : [];
+                $throwable = new HttpException($config['status_code'], $throwable->getMessage(), $throwable, $headers);
+                $event->setThrowable($throwable);
+            }
+            break;
+        }
+
         $e = FlattenException::createFromThrowable($throwable);
 
         $this->logException($throwable, sprintf('Uncaught PHP Exception %s: "%s" at %s line %s', $e->getClass(), $e->getMessage(), $e->getFile(), $e->getLine()), $logLevel);
@@ -88,13 +102,6 @@ public function onKernelException(ExceptionEvent $event)
             throw $e;
         }
 
-        foreach ($this->exceptionsMapping as $exception => $config) {
-            if ($throwable instanceof $exception && $config['status_code']) {
-                $response->setStatusCode($config['status_code']);
-                break;
-            }
-        }
-
         $event->setResponse($response);
 
         if ($this->debug) {
diff --git a/src/Symfony/Component/HttpKernel/HttpCache/HttpCache.php b/src/Symfony/Component/HttpKernel/HttpCache/HttpCache.php
index adbe05d2bb6c1..cf0e243c6bc5e 100644
--- a/src/Symfony/Component/HttpKernel/HttpCache/HttpCache.php
+++ b/src/Symfony/Component/HttpKernel/HttpCache/HttpCache.php
@@ -633,7 +633,7 @@ private function restoreResponseBody(Request $request, Response $response)
 
     protected function processResponseBody(Request $request, Response $response)
     {
-        if (null !== $this->surrogate && $this->surrogate->needsParsing($response)) {
+        if ($this->surrogate?->needsParsing($response)) {
             $this->surrogate->process($request, $response);
         }
     }
diff --git a/src/Symfony/Component/HttpKernel/Tests/EventListener/ErrorListenerTest.php b/src/Symfony/Component/HttpKernel/Tests/EventListener/ErrorListenerTest.php
index 2c8d725466e20..00a6bde9004ce 100644
--- a/src/Symfony/Component/HttpKernel/Tests/EventListener/ErrorListenerTest.php
+++ b/src/Symfony/Component/HttpKernel/Tests/EventListener/ErrorListenerTest.php
@@ -22,6 +22,7 @@
 use Symfony\Component\HttpKernel\Event\ExceptionEvent;
 use Symfony\Component\HttpKernel\Event\ResponseEvent;
 use Symfony\Component\HttpKernel\EventListener\ErrorListener;
+use Symfony\Component\HttpKernel\Exception\HttpExceptionInterface;
 use Symfony\Component\HttpKernel\HttpKernelInterface;
 use Symfony\Component\HttpKernel\KernelEvents;
 use Symfony\Component\HttpKernel\Log\DebugLoggerInterface;
@@ -231,6 +232,11 @@ class TestKernel implements HttpKernelInterface
 {
     public function handle(Request $request, $type = self::MAIN_REQUEST, $catch = true): Response
     {
+        $e = $request->attributes->get('exception');
+        if ($e instanceof HttpExceptionInterface) {
+            return new Response('foo', $e->getStatusCode(), $e->getHeaders());
+        }
+
         return new Response('foo');
     }
 }
diff --git a/src/Symfony/Component/Ldap/Adapter/ExtLdap/Query.php b/src/Symfony/Component/Ldap/Adapter/ExtLdap/Query.php
index b028d7f089340..997b21be1c055 100644
--- a/src/Symfony/Component/Ldap/Adapter/ExtLdap/Query.php
+++ b/src/Symfony/Component/Ldap/Adapter/ExtLdap/Query.php
@@ -204,11 +204,6 @@ private function resetPagination()
 
     /**
      * Sets LDAP pagination controls.
-<<<<<<< HEAD
-=======
-     *
-     * @param resource|LDAPConnection $con
->>>>>>> 5.4
      */
     private function controlPagedResult(int $pageSize, bool $critical, string $cookie): bool
     {
diff --git a/src/Symfony/Component/Ldap/Security/LdapAuthenticator.php b/src/Symfony/Component/Ldap/Security/LdapAuthenticator.php
index a14446493bf77..27ea288824fc3 100644
--- a/src/Symfony/Component/Ldap/Security/LdapAuthenticator.php
+++ b/src/Symfony/Component/Ldap/Security/LdapAuthenticator.php
@@ -16,8 +16,8 @@
 use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
 use Symfony\Component\Security\Core\Exception\AuthenticationException;
 use Symfony\Component\Security\Http\Authenticator\AuthenticatorInterface;
-use Symfony\Component\Security\Http\Authenticator\Passport\Passport;
 use Symfony\Component\Security\Http\Authenticator\InteractiveAuthenticatorInterface;
+use Symfony\Component\Security\Http\Authenticator\Passport\Passport;
 use Symfony\Component\Security\Http\EntryPoint\AuthenticationEntryPointInterface;
 use Symfony\Component\Security\Http\EntryPoint\Exception\NotAnEntryPointException;
 
diff --git a/src/Symfony/Component/Mailer/Bridge/Amazon/Transport/SesTransportFactory.php b/src/Symfony/Component/Mailer/Bridge/Amazon/Transport/SesTransportFactory.php
index 65cb3db970c5e..fc69010b1336e 100644
--- a/src/Symfony/Component/Mailer/Bridge/Amazon/Transport/SesTransportFactory.php
+++ b/src/Symfony/Component/Mailer/Bridge/Amazon/Transport/SesTransportFactory.php
@@ -45,7 +45,7 @@ public function create(Dsn $dsn): TransportInterface
                 // no break
             case 'ses':
             case 'ses+https':
-                $class = $class ?? SesHttpAsyncAwsTransport::class;
+                $class ??= SesHttpAsyncAwsTransport::class;
                 $options = [
                     'region' => $dsn->getOption('region') ?: 'eu-west-1',
                     'accessKeyId' => $dsn->getUser(),
diff --git a/src/Symfony/Component/Mailer/Test/TransportFactoryTestCase.php b/src/Symfony/Component/Mailer/Test/TransportFactoryTestCase.php
index c2426a0bf27db..1cf22e9b6ca29 100644
--- a/src/Symfony/Component/Mailer/Test/TransportFactoryTestCase.php
+++ b/src/Symfony/Component/Mailer/Test/TransportFactoryTestCase.php
@@ -102,16 +102,16 @@ public function testIncompleteDsnException(Dsn $dsn)
 
     protected function getDispatcher(): EventDispatcherInterface
     {
-        return $this->dispatcher ?? $this->dispatcher = $this->createMock(EventDispatcherInterface::class);
+        return $this->dispatcher ??= $this->createMock(EventDispatcherInterface::class);
     }
 
     protected function getClient(): HttpClientInterface
     {
-        return $this->client ?? $this->client = $this->createMock(HttpClientInterface::class);
+        return $this->client ??= $this->createMock(HttpClientInterface::class);
     }
 
     protected function getLogger(): LoggerInterface
     {
-        return $this->logger ?? $this->logger = $this->createMock(LoggerInterface::class);
+        return $this->logger ??= $this->createMock(LoggerInterface::class);
     }
 }
diff --git a/src/Symfony/Component/Messenger/Bridge/AmazonSqs/Tests/Transport/AmazonSqsTransportTest.php b/src/Symfony/Component/Messenger/Bridge/AmazonSqs/Tests/Transport/AmazonSqsTransportTest.php
index 8e7b152732b98..541b543f699d0 100644
--- a/src/Symfony/Component/Messenger/Bridge/AmazonSqs/Tests/Transport/AmazonSqsTransportTest.php
+++ b/src/Symfony/Component/Messenger/Bridge/AmazonSqs/Tests/Transport/AmazonSqsTransportTest.php
@@ -169,8 +169,8 @@ public function testItConvertsHttpExceptionDuringResetIntoTransportException()
 
     private function getTransport(SerializerInterface $serializer = null, Connection $connection = null)
     {
-        $serializer = $serializer ?? $this->createMock(SerializerInterface::class);
-        $connection = $connection ?? $this->createMock(Connection::class);
+        $serializer ??= $this->createMock(SerializerInterface::class);
+        $connection ??= $this->createMock(Connection::class);
 
         return new AmazonSqsTransport($connection, $serializer);
     }
diff --git a/src/Symfony/Component/Messenger/Bridge/AmazonSqs/Transport/AmazonSqsTransport.php b/src/Symfony/Component/Messenger/Bridge/AmazonSqs/Transport/AmazonSqsTransport.php
index f6e440d49e438..297fccbd3f077 100644
--- a/src/Symfony/Component/Messenger/Bridge/AmazonSqs/Transport/AmazonSqsTransport.php
+++ b/src/Symfony/Component/Messenger/Bridge/AmazonSqs/Transport/AmazonSqsTransport.php
@@ -33,6 +33,9 @@ class AmazonSqsTransport implements TransportInterface, SetupableTransportInterf
     private ?ReceiverInterface $receiver;
     private ?SenderInterface $sender;
 
+    /**
+     * @param MessageCountAwareInterface&ReceiverInterface|null $receiver
+     */
     public function __construct(Connection $connection, SerializerInterface $serializer = null, ReceiverInterface $receiver = null, SenderInterface $sender = null)
     {
         $this->connection = $connection;
@@ -46,7 +49,7 @@ public function __construct(Connection $connection, SerializerInterface $seriali
      */
     public function get(): iterable
     {
-        return ($this->receiver ?? $this->getReceiver())->get();
+        return $this->getReceiver()->get();
     }
 
     /**
@@ -54,7 +57,7 @@ public function get(): iterable
      */
     public function ack(Envelope $envelope): void
     {
-        ($this->receiver ?? $this->getReceiver())->ack($envelope);
+        $this->getReceiver()->ack($envelope);
     }
 
     /**
@@ -62,7 +65,7 @@ public function ack(Envelope $envelope): void
      */
     public function reject(Envelope $envelope): void
     {
-        ($this->receiver ?? $this->getReceiver())->reject($envelope);
+        $this->getReceiver()->reject($envelope);
     }
 
     /**
@@ -70,7 +73,7 @@ public function reject(Envelope $envelope): void
      */
     public function getMessageCount(): int
     {
-        return ($this->receiver ?? $this->getReceiver())->getMessageCount();
+        return $this->getReceiver()->getMessageCount();
     }
 
     /**
@@ -78,7 +81,7 @@ public function getMessageCount(): int
      */
     public function send(Envelope $envelope): Envelope
     {
-        return ($this->sender ?? $this->getSender())->send($envelope);
+        return $this->getSender()->send($envelope);
     }
 
     /**
@@ -102,13 +105,16 @@ public function reset()
         }
     }
 
-    private function getReceiver(): AmazonSqsReceiver
+    /**
+     * @return MessageCountAwareInterface&ReceiverInterface
+     */
+    private function getReceiver(): ReceiverInterface
     {
-        return $this->receiver = new AmazonSqsReceiver($this->connection, $this->serializer);
+        return $this->receiver ??= new AmazonSqsReceiver($this->connection, $this->serializer);
     }
 
-    private function getSender(): AmazonSqsSender
+    private function getSender(): SenderInterface
     {
-        return $this->sender = new AmazonSqsSender($this->connection, $this->serializer);
+        return $this->sender ??= new AmazonSqsSender($this->connection, $this->serializer);
     }
 }
diff --git a/src/Symfony/Component/Messenger/Bridge/Amqp/Tests/Transport/AmqpTransportTest.php b/src/Symfony/Component/Messenger/Bridge/Amqp/Tests/Transport/AmqpTransportTest.php
index 0223a0396c011..433aeebdfe5d5 100644
--- a/src/Symfony/Component/Messenger/Bridge/Amqp/Tests/Transport/AmqpTransportTest.php
+++ b/src/Symfony/Component/Messenger/Bridge/Amqp/Tests/Transport/AmqpTransportTest.php
@@ -54,8 +54,8 @@ public function testReceivesMessages()
 
     private function getTransport(SerializerInterface $serializer = null, Connection $connection = null): AmqpTransport
     {
-        $serializer = $serializer ?? $this->createMock(SerializerInterface::class);
-        $connection = $connection ?? $this->createMock(Connection::class);
+        $serializer ??= $this->createMock(SerializerInterface::class);
+        $connection ??= $this->createMock(Connection::class);
 
         return new AmqpTransport($connection, $serializer);
     }
diff --git a/src/Symfony/Component/Messenger/Bridge/Amqp/Transport/AmqpTransport.php b/src/Symfony/Component/Messenger/Bridge/Amqp/Transport/AmqpTransport.php
index d00f838202bdb..cd3c397f27d87 100644
--- a/src/Symfony/Component/Messenger/Bridge/Amqp/Transport/AmqpTransport.php
+++ b/src/Symfony/Component/Messenger/Bridge/Amqp/Transport/AmqpTransport.php
@@ -40,7 +40,7 @@ public function __construct(Connection $connection, SerializerInterface $seriali
      */
     public function get(): iterable
     {
-        return ($this->receiver ?? $this->getReceiver())->get();
+        return $this->getReceiver()->get();
     }
 
     /**
@@ -48,7 +48,7 @@ public function get(): iterable
      */
     public function getFromQueues(array $queueNames): iterable
     {
-        return ($this->receiver ?? $this->getReceiver())->getFromQueues($queueNames);
+        return $this->getReceiver()->getFromQueues($queueNames);
     }
 
     /**
@@ -56,7 +56,7 @@ public function getFromQueues(array $queueNames): iterable
      */
     public function ack(Envelope $envelope): void
     {
-        ($this->receiver ?? $this->getReceiver())->ack($envelope);
+        $this->getReceiver()->ack($envelope);
     }
 
     /**
@@ -64,7 +64,7 @@ public function ack(Envelope $envelope): void
      */
     public function reject(Envelope $envelope): void
     {
-        ($this->receiver ?? $this->getReceiver())->reject($envelope);
+        $this->getReceiver()->reject($envelope);
     }
 
     /**
@@ -72,7 +72,7 @@ public function reject(Envelope $envelope): void
      */
     public function send(Envelope $envelope): Envelope
     {
-        return ($this->sender ?? $this->getSender())->send($envelope);
+        return $this->getSender()->send($envelope);
     }
 
     /**
@@ -88,17 +88,17 @@ public function setup(): void
      */
     public function getMessageCount(): int
     {
-        return ($this->receiver ?? $this->getReceiver())->getMessageCount();
+        return $this->getReceiver()->getMessageCount();
     }
 
     private function getReceiver(): AmqpReceiver
     {
-        return $this->receiver = new AmqpReceiver($this->connection, $this->serializer);
+        return $this->receiver ??= new AmqpReceiver($this->connection, $this->serializer);
     }
 
     private function getSender(): AmqpSender
     {
-        return $this->sender = new AmqpSender($this->connection, $this->serializer);
+        return $this->sender ??= new AmqpSender($this->connection, $this->serializer);
     }
 }
 
diff --git a/src/Symfony/Component/Messenger/Bridge/Beanstalkd/Tests/Transport/BeanstalkdTransportTest.php b/src/Symfony/Component/Messenger/Bridge/Beanstalkd/Tests/Transport/BeanstalkdTransportTest.php
index 5671163982b5e..6ba15f30d4fa7 100644
--- a/src/Symfony/Component/Messenger/Bridge/Beanstalkd/Tests/Transport/BeanstalkdTransportTest.php
+++ b/src/Symfony/Component/Messenger/Bridge/Beanstalkd/Tests/Transport/BeanstalkdTransportTest.php
@@ -52,8 +52,8 @@ public function testReceivesMessages()
 
     private function getTransport(SerializerInterface $serializer = null, Connection $connection = null): BeanstalkdTransport
     {
-        $serializer = $serializer ?? $this->createMock(SerializerInterface::class);
-        $connection = $connection ?? $this->createMock(Connection::class);
+        $serializer ??= $this->createMock(SerializerInterface::class);
+        $connection ??= $this->createMock(Connection::class);
 
         return new BeanstalkdTransport($connection, $serializer);
     }
diff --git a/src/Symfony/Component/Messenger/Bridge/Beanstalkd/Transport/BeanstalkdTransport.php b/src/Symfony/Component/Messenger/Bridge/Beanstalkd/Transport/BeanstalkdTransport.php
index a67df46800a7e..4a95f22cae65e 100644
--- a/src/Symfony/Component/Messenger/Bridge/Beanstalkd/Transport/BeanstalkdTransport.php
+++ b/src/Symfony/Component/Messenger/Bridge/Beanstalkd/Transport/BeanstalkdTransport.php
@@ -38,7 +38,7 @@ public function __construct(Connection $connection, SerializerInterface $seriali
      */
     public function get(): iterable
     {
-        return ($this->receiver ?? $this->getReceiver())->get();
+        return $this->getReceiver()->get();
     }
 
     /**
@@ -46,7 +46,7 @@ public function get(): iterable
      */
     public function ack(Envelope $envelope): void
     {
-        ($this->receiver ?? $this->getReceiver())->ack($envelope);
+        $this->getReceiver()->ack($envelope);
     }
 
     /**
@@ -54,7 +54,7 @@ public function ack(Envelope $envelope): void
      */
     public function reject(Envelope $envelope): void
     {
-        ($this->receiver ?? $this->getReceiver())->reject($envelope);
+        $this->getReceiver()->reject($envelope);
     }
 
     /**
@@ -62,7 +62,7 @@ public function reject(Envelope $envelope): void
      */
     public function getMessageCount(): int
     {
-        return ($this->receiver ?? $this->getReceiver())->getMessageCount();
+        return $this->getReceiver()->getMessageCount();
     }
 
     /**
@@ -70,16 +70,16 @@ public function getMessageCount(): int
      */
     public function send(Envelope $envelope): Envelope
     {
-        return ($this->sender ?? $this->getSender())->send($envelope);
+        return $this->getSender()->send($envelope);
     }
 
     private function getReceiver(): BeanstalkdReceiver
     {
-        return $this->receiver = new BeanstalkdReceiver($this->connection, $this->serializer);
+        return $this->receiver ??= new BeanstalkdReceiver($this->connection, $this->serializer);
     }
 
     private function getSender(): BeanstalkdSender
     {
-        return $this->sender = new BeanstalkdSender($this->connection, $this->serializer);
+        return $this->sender ??= new BeanstalkdSender($this->connection, $this->serializer);
     }
 }
diff --git a/src/Symfony/Component/Messenger/Bridge/Doctrine/Tests/Transport/DoctrineTransportTest.php b/src/Symfony/Component/Messenger/Bridge/Doctrine/Tests/Transport/DoctrineTransportTest.php
index 751390503234d..d6c5b1f619b79 100644
--- a/src/Symfony/Component/Messenger/Bridge/Doctrine/Tests/Transport/DoctrineTransportTest.php
+++ b/src/Symfony/Component/Messenger/Bridge/Doctrine/Tests/Transport/DoctrineTransportTest.php
@@ -71,8 +71,8 @@ public function testConfigureSchema()
 
     private function getTransport(SerializerInterface $serializer = null, Connection $connection = null): DoctrineTransport
     {
-        $serializer = $serializer ?? $this->createMock(SerializerInterface::class);
-        $connection = $connection ?? $this->createMock(Connection::class);
+        $serializer ??= $this->createMock(SerializerInterface::class);
+        $connection ??= $this->createMock(Connection::class);
 
         return new DoctrineTransport($connection, $serializer);
     }
diff --git a/src/Symfony/Component/Messenger/Bridge/Doctrine/Transport/DoctrineTransport.php b/src/Symfony/Component/Messenger/Bridge/Doctrine/Transport/DoctrineTransport.php
index c29f529b6fe6d..35b5904658a80 100644
--- a/src/Symfony/Component/Messenger/Bridge/Doctrine/Transport/DoctrineTransport.php
+++ b/src/Symfony/Component/Messenger/Bridge/Doctrine/Transport/DoctrineTransport.php
@@ -42,7 +42,7 @@ public function __construct(Connection $connection, SerializerInterface $seriali
      */
     public function get(): iterable
     {
-        return ($this->receiver ?? $this->getReceiver())->get();
+        return $this->getReceiver()->get();
     }
 
     /**
@@ -50,7 +50,7 @@ public function get(): iterable
      */
     public function ack(Envelope $envelope): void
     {
-        ($this->receiver ?? $this->getReceiver())->ack($envelope);
+        $this->getReceiver()->ack($envelope);
     }
 
     /**
@@ -58,7 +58,7 @@ public function ack(Envelope $envelope): void
      */
     public function reject(Envelope $envelope): void
     {
-        ($this->receiver ?? $this->getReceiver())->reject($envelope);
+        $this->getReceiver()->reject($envelope);
     }
 
     /**
@@ -66,7 +66,7 @@ public function reject(Envelope $envelope): void
      */
     public function getMessageCount(): int
     {
-        return ($this->receiver ?? $this->getReceiver())->getMessageCount();
+        return $this->getReceiver()->getMessageCount();
     }
 
     /**
@@ -74,7 +74,7 @@ public function getMessageCount(): int
      */
     public function all(int $limit = null): iterable
     {
-        return ($this->receiver ?? $this->getReceiver())->all($limit);
+        return $this->getReceiver()->all($limit);
     }
 
     /**
@@ -82,7 +82,7 @@ public function all(int $limit = null): iterable
      */
     public function find(mixed $id): ?Envelope
     {
-        return ($this->receiver ?? $this->getReceiver())->find($id);
+        return $this->getReceiver()->find($id);
     }
 
     /**
@@ -90,7 +90,7 @@ public function find(mixed $id): ?Envelope
      */
     public function send(Envelope $envelope): Envelope
     {
-        return ($this->sender ?? $this->getSender())->send($envelope);
+        return $this->getSender()->send($envelope);
     }
 
     /**
@@ -121,12 +121,12 @@ public function getExtraSetupSqlForTable(Table $createdTable): array
 
     private function getReceiver(): DoctrineReceiver
     {
-        return $this->receiver = new DoctrineReceiver($this->connection, $this->serializer);
+        return $this->receiver ??= new DoctrineReceiver($this->connection, $this->serializer);
     }
 
     private function getSender(): DoctrineSender
     {
-        return $this->sender = new DoctrineSender($this->connection, $this->serializer);
+        return $this->sender ??= new DoctrineSender($this->connection, $this->serializer);
     }
 }
 
diff --git a/src/Symfony/Component/Messenger/Bridge/Redis/Tests/Transport/RedisTransportTest.php b/src/Symfony/Component/Messenger/Bridge/Redis/Tests/Transport/RedisTransportTest.php
index d3a9da9d728e9..199edb8944ae0 100644
--- a/src/Symfony/Component/Messenger/Bridge/Redis/Tests/Transport/RedisTransportTest.php
+++ b/src/Symfony/Component/Messenger/Bridge/Redis/Tests/Transport/RedisTransportTest.php
@@ -56,8 +56,8 @@ public function testReceivesMessages()
 
     private function getTransport(SerializerInterface $serializer = null, Connection $connection = null): RedisTransport
     {
-        $serializer = $serializer ?? $this->createMock(SerializerInterface::class);
-        $connection = $connection ?? $this->createMock(Connection::class);
+        $serializer ??= $this->createMock(SerializerInterface::class);
+        $connection ??= $this->createMock(Connection::class);
 
         return new RedisTransport($connection, $serializer);
     }
diff --git a/src/Symfony/Component/Messenger/Bridge/Redis/Transport/RedisTransport.php b/src/Symfony/Component/Messenger/Bridge/Redis/Transport/RedisTransport.php
index 8fa5c61fabf65..8f77e97587f10 100644
--- a/src/Symfony/Component/Messenger/Bridge/Redis/Transport/RedisTransport.php
+++ b/src/Symfony/Component/Messenger/Bridge/Redis/Transport/RedisTransport.php
@@ -39,7 +39,7 @@ public function __construct(Connection $connection, SerializerInterface $seriali
      */
     public function get(): iterable
     {
-        return ($this->receiver ?? $this->getReceiver())->get();
+        return $this->getReceiver()->get();
     }
 
     /**
@@ -47,7 +47,7 @@ public function get(): iterable
      */
     public function ack(Envelope $envelope): void
     {
-        ($this->receiver ?? $this->getReceiver())->ack($envelope);
+        $this->getReceiver()->ack($envelope);
     }
 
     /**
@@ -55,7 +55,7 @@ public function ack(Envelope $envelope): void
      */
     public function reject(Envelope $envelope): void
     {
-        ($this->receiver ?? $this->getReceiver())->reject($envelope);
+        $this->getReceiver()->reject($envelope);
     }
 
     /**
@@ -63,7 +63,7 @@ public function reject(Envelope $envelope): void
      */
     public function send(Envelope $envelope): Envelope
     {
-        return ($this->sender ?? $this->getSender())->send($envelope);
+        return $this->getSender()->send($envelope);
     }
 
     /**
@@ -76,12 +76,12 @@ public function setup(): void
 
     private function getReceiver(): RedisReceiver
     {
-        return $this->receiver = new RedisReceiver($this->connection, $this->serializer);
+        return $this->receiver ??= new RedisReceiver($this->connection, $this->serializer);
     }
 
     private function getSender(): RedisSender
     {
-        return $this->sender = new RedisSender($this->connection, $this->serializer);
+        return $this->sender ??= new RedisSender($this->connection, $this->serializer);
     }
 }
 
diff --git a/src/Symfony/Component/Messenger/Command/AbstractFailedMessagesCommand.php b/src/Symfony/Component/Messenger/Command/AbstractFailedMessagesCommand.php
index febc7163fcce3..62f01fc03f051 100644
--- a/src/Symfony/Component/Messenger/Command/AbstractFailedMessagesCommand.php
+++ b/src/Symfony/Component/Messenger/Command/AbstractFailedMessagesCommand.php
@@ -149,7 +149,7 @@ protected function printPendingMessagesMessage(ReceiverInterface $receiver, Symf
 
     protected function getReceiver(string $name = null): ReceiverInterface
     {
-        if (null === $name = $name ?? $this->globalFailureReceiverName) {
+        if (null === $name ??= $this->globalFailureReceiverName) {
             throw new InvalidArgumentException(sprintf('No default failure transport is defined. Available transports are: "%s".', implode('", "', array_keys($this->failureTransports->getProvidedServices()))));
         }
 
diff --git a/src/Symfony/Component/Messenger/Envelope.php b/src/Symfony/Component/Messenger/Envelope.php
index 48743e79bd706..74ab6edcce2ff 100644
--- a/src/Symfony/Component/Messenger/Envelope.php
+++ b/src/Symfony/Component/Messenger/Envelope.php
@@ -95,7 +95,7 @@ public function withoutStampsOfType(string $type): self
 
     public function last(string $stampFqcn): ?StampInterface
     {
-        return isset($this->stamps[$stampFqcn = $stampFqcn]) ? end($this->stamps[$stampFqcn]) : null;
+        return isset($this->stamps[$stampFqcn]) ? end($this->stamps[$stampFqcn]) : null;
     }
 
     /**
diff --git a/src/Symfony/Component/Messenger/Transport/InMemoryTransport.php b/src/Symfony/Component/Messenger/Transport/InMemoryTransport.php
index 217454d56a065..dc734c25d4c7d 100644
--- a/src/Symfony/Component/Messenger/Transport/InMemoryTransport.php
+++ b/src/Symfony/Component/Messenger/Transport/InMemoryTransport.php
@@ -157,4 +157,3 @@ private function decode(array $messagesEncoded): array
         );
     }
 }
-
diff --git a/src/Symfony/Component/Notifier/Bridge/Mercure/MercureTransport.php b/src/Symfony/Component/Notifier/Bridge/Mercure/MercureTransport.php
index 08850d890ed85..a49cf0565fca3 100644
--- a/src/Symfony/Component/Notifier/Bridge/Mercure/MercureTransport.php
+++ b/src/Symfony/Component/Notifier/Bridge/Mercure/MercureTransport.php
@@ -87,7 +87,7 @@ protected function doSend(MessageInterface $message): SentMessage
             $sentMessage->setMessageId($messageId);
 
             return $sentMessage;
-        } catch (MercureRuntimeException | InvalidArgumentException $e) {
+        } catch (MercureRuntimeException|InvalidArgumentException $e) {
             throw new RuntimeException('Unable to post the Mercure message: '.$e->getMessage(), $e->getCode(), $e);
         }
     }
diff --git a/src/Symfony/Component/Notifier/Bridge/Mercure/Tests/MercureTransportTest.php b/src/Symfony/Component/Notifier/Bridge/Mercure/Tests/MercureTransportTest.php
index 21c59e38e76ad..6d04b10fe6571 100644
--- a/src/Symfony/Component/Notifier/Bridge/Mercure/Tests/MercureTransportTest.php
+++ b/src/Symfony/Component/Notifier/Bridge/Mercure/Tests/MercureTransportTest.php
@@ -36,7 +36,7 @@ final class MercureTransportTest extends TransportTestCase
 {
     public function createTransport(HttpClientInterface $client = null, HubInterface $hub = null, string $hubId = 'hubId', $topics = null): MercureTransport
     {
-        $hub = $hub ?? $this->createMock(HubInterface::class);
+        $hub ??= $this->createMock(HubInterface::class);
 
         return new MercureTransport($hub, $hubId, $topics);
     }
diff --git a/src/Symfony/Component/Notifier/Bridge/MessageMedia/MessageMediaTransport.php b/src/Symfony/Component/Notifier/Bridge/MessageMedia/MessageMediaTransport.php
index a71dc6175e868..dd52e3ff01a65 100644
--- a/src/Symfony/Component/Notifier/Bridge/MessageMedia/MessageMediaTransport.php
+++ b/src/Symfony/Component/Notifier/Bridge/MessageMedia/MessageMediaTransport.php
@@ -98,7 +98,7 @@ protected function doSend(MessageInterface $message): SentMessage
             $error = $response->toArray(false);
 
             $errorMessage = $error['details'][0] ?? ($error['message'] ?? 'Unknown reason');
-        } catch (DecodingExceptionInterface | TransportExceptionInterface $e) {
+        } catch (DecodingExceptionInterface|TransportExceptionInterface $e) {
             $errorMessage = 'Unknown reason';
         }
 
diff --git a/src/Symfony/Component/Notifier/Bridge/Mobyt/MobytTransport.php b/src/Symfony/Component/Notifier/Bridge/Mobyt/MobytTransport.php
index 4ab0ff94a1cb2..0ca093a351d07 100644
--- a/src/Symfony/Component/Notifier/Bridge/Mobyt/MobytTransport.php
+++ b/src/Symfony/Component/Notifier/Bridge/Mobyt/MobytTransport.php
@@ -40,7 +40,7 @@ public function __construct(string $accountSid, string $authToken, string $from,
         $this->authToken = $authToken;
         $this->from = $from;
 
-        $typeQuality = $typeQuality ?? MobytOptions::MESSAGE_TYPE_QUALITY_LOW;
+        $typeQuality ??= MobytOptions::MESSAGE_TYPE_QUALITY_LOW;
         MobytOptions::validateMessageType($typeQuality);
 
         $this->typeQuality = $typeQuality;
@@ -69,12 +69,12 @@ protected function doSend(MessageInterface $message): SentMessage
         }
 
         $options = $message->getOptions() ? $message->getOptions()->toArray() : [];
-        $options['message_type'] = $options['message_type'] ?? $this->typeQuality;
+        $options['message_type'] ??= $this->typeQuality;
 
-        $options['message'] = $options['message'] ?? $message->getSubject();
+        $options['message'] ??= $message->getSubject();
         $options['recipient'] = [$message->getPhone()];
 
-        $options['sender'] = $options['sender'] ?? $this->from;
+        $options['sender'] ??= $this->from;
 
         $response = $this->client->request('POST', 'https://'.$this->getEndpoint().'/API/v1.0/REST/sms', [
             'headers' => [
diff --git a/src/Symfony/Component/Notifier/Bridge/Sms77/Tests/Sms77TransportTest.php b/src/Symfony/Component/Notifier/Bridge/Sms77/Tests/Sms77TransportTest.php
index 1c574ed7e4e8e..734b181650e9c 100644
--- a/src/Symfony/Component/Notifier/Bridge/Sms77/Tests/Sms77TransportTest.php
+++ b/src/Symfony/Component/Notifier/Bridge/Sms77/Tests/Sms77TransportTest.php
@@ -21,9 +21,6 @@
 
 final class Sms77TransportTest extends TransportTestCase
 {
-    /**
-     * @return Sms77Transport
-     */
     public function createTransport(HttpClientInterface $client = null, string $from = null): Sms77Transport
     {
         return new Sms77Transport('apiKey', $from, $client ?? $this->createMock(HttpClientInterface::class));
diff --git a/src/Symfony/Component/Notifier/Bridge/SpotHit/SpotHitTransport.php b/src/Symfony/Component/Notifier/Bridge/SpotHit/SpotHitTransport.php
index 0cb053bd725ba..d627688bef9b2 100644
--- a/src/Symfony/Component/Notifier/Bridge/SpotHit/SpotHitTransport.php
+++ b/src/Symfony/Component/Notifier/Bridge/SpotHit/SpotHitTransport.php
@@ -87,7 +87,7 @@ protected function doSend(MessageInterface $message): SentMessage
             $data = $response->toArray();
         } catch (TransportExceptionInterface $e) {
             throw new TransportException('Could not reach the remote SpotHit server.', $response, 0, $e);
-        } catch (HttpExceptionInterface | DecodingExceptionInterface $e) {
+        } catch (HttpExceptionInterface|DecodingExceptionInterface $e) {
             throw new TransportException('Unexpected reply from the remote SpotHit server.', $response, 0, $e);
         }
 
diff --git a/src/Symfony/Component/PasswordHasher/Hasher/NativePasswordHasher.php b/src/Symfony/Component/PasswordHasher/Hasher/NativePasswordHasher.php
index 611dddc56aa20..3deef74cacab0 100644
--- a/src/Symfony/Component/PasswordHasher/Hasher/NativePasswordHasher.php
+++ b/src/Symfony/Component/PasswordHasher/Hasher/NativePasswordHasher.php
@@ -33,9 +33,9 @@ final class NativePasswordHasher implements PasswordHasherInterface
      */
     public function __construct(int $opsLimit = null, int $memLimit = null, int $cost = null, string $algorithm = null)
     {
-        $cost = $cost ?? 13;
-        $opsLimit = $opsLimit ?? max(4, \defined('SODIUM_CRYPTO_PWHASH_OPSLIMIT_INTERACTIVE') ? \SODIUM_CRYPTO_PWHASH_OPSLIMIT_INTERACTIVE : 4);
-        $memLimit = $memLimit ?? max(64 * 1024 * 1024, \defined('SODIUM_CRYPTO_PWHASH_MEMLIMIT_INTERACTIVE') ? \SODIUM_CRYPTO_PWHASH_MEMLIMIT_INTERACTIVE : 64 * 1024 * 1024);
+        $cost ??= 13;
+        $opsLimit ??= max(4, \defined('SODIUM_CRYPTO_PWHASH_OPSLIMIT_INTERACTIVE') ? \SODIUM_CRYPTO_PWHASH_OPSLIMIT_INTERACTIVE : 4);
+        $memLimit ??= max(64 * 1024 * 1024, \defined('SODIUM_CRYPTO_PWHASH_MEMLIMIT_INTERACTIVE') ? \SODIUM_CRYPTO_PWHASH_MEMLIMIT_INTERACTIVE : 64 * 1024 * 1024);
 
         if (3 > $opsLimit) {
             throw new \InvalidArgumentException('$opsLimit must be 3 or greater.');
diff --git a/src/Symfony/Component/PasswordHasher/Tests/Hasher/UserPasswordHasherTest.php b/src/Symfony/Component/PasswordHasher/Tests/Hasher/UserPasswordHasherTest.php
index ad858f8f9376e..274272583c321 100644
--- a/src/Symfony/Component/PasswordHasher/Tests/Hasher/UserPasswordHasherTest.php
+++ b/src/Symfony/Component/PasswordHasher/Tests/Hasher/UserPasswordHasherTest.php
@@ -18,8 +18,8 @@
 use Symfony\Component\PasswordHasher\PasswordHasherInterface;
 use Symfony\Component\PasswordHasher\Tests\Fixtures\TestLegacyPasswordAuthenticatedUser;
 use Symfony\Component\PasswordHasher\Tests\Fixtures\TestPasswordAuthenticatedUser;
-use Symfony\Component\Security\Core\User\User;
 use Symfony\Component\Security\Core\User\InMemoryUser;
+use Symfony\Component\Security\Core\User\User;
 
 class UserPasswordHasherTest extends TestCase
 {
diff --git a/src/Symfony/Component/Process/Pipes/AbstractPipes.php b/src/Symfony/Component/Process/Pipes/AbstractPipes.php
index dca7ae7f9550e..c2014a6829c0f 100644
--- a/src/Symfony/Component/Process/Pipes/AbstractPipes.php
+++ b/src/Symfony/Component/Process/Pipes/AbstractPipes.php
@@ -133,7 +133,7 @@ protected function write(): ?array
             }
 
             if ($input) {
-                for (;;) {
+                while (true) {
                     $data = fread($input, self::CHUNK_SIZE);
                     if (!isset($data[0])) {
                         break;
diff --git a/src/Symfony/Component/Process/Tests/ProcessTest.php b/src/Symfony/Component/Process/Tests/ProcessTest.php
index 91ba7c4f37249..fc4de7bc5565a 100644
--- a/src/Symfony/Component/Process/Tests/ProcessTest.php
+++ b/src/Symfony/Component/Process/Tests/ProcessTest.php
@@ -772,7 +772,8 @@ public function testIterateOverProcessWithTimeout()
         $start = microtime(true);
         try {
             $process->start();
-            foreach ($process as $buffer);
+            foreach ($process as $buffer) {
+            }
             $this->fail('A RuntimeException should have been raised');
         } catch (RuntimeException $e) {
         }
diff --git a/src/Symfony/Component/PropertyInfo/Extractor/PhpDocExtractor.php b/src/Symfony/Component/PropertyInfo/Extractor/PhpDocExtractor.php
index 0f2fba5ad4432..b414330b5a247 100644
--- a/src/Symfony/Component/PropertyInfo/Extractor/PhpDocExtractor.php
+++ b/src/Symfony/Component/PropertyInfo/Extractor/PhpDocExtractor.php
@@ -155,7 +155,7 @@ public function getTypes(string $class, string $property, array $context = []):
                             break;
 
                         case 'parent':
-                            if (false !== $resolvedClass = $parentClass ?? $parentClass = get_parent_class($class)) {
+                            if (false !== $resolvedClass = $parentClass ??= get_parent_class($class)) {
                                 break;
                             }
                             // no break
diff --git a/src/Symfony/Component/PropertyInfo/Extractor/PhpStanExtractor.php b/src/Symfony/Component/PropertyInfo/Extractor/PhpStanExtractor.php
index 4a6a296784d6d..3c66d48cd522f 100644
--- a/src/Symfony/Component/PropertyInfo/Extractor/PhpStanExtractor.php
+++ b/src/Symfony/Component/PropertyInfo/Extractor/PhpStanExtractor.php
@@ -107,7 +107,7 @@ public function getTypes(string $class, string $property, array $context = []):
                         break;
 
                     case 'parent':
-                        if (false !== $resolvedClass = $parentClass ?? $parentClass = get_parent_class($class)) {
+                        if (false !== $resolvedClass = $parentClass ??= get_parent_class($class)) {
                             break;
                         }
                         // no break
diff --git a/src/Symfony/Component/PropertyInfo/Util/PhpDocTypeHelper.php b/src/Symfony/Component/PropertyInfo/Util/PhpDocTypeHelper.php
index d1752d6c1b2fb..f1e166c171694 100644
--- a/src/Symfony/Component/PropertyInfo/Util/PhpDocTypeHelper.php
+++ b/src/Symfony/Component/PropertyInfo/Util/PhpDocTypeHelper.php
@@ -93,7 +93,7 @@ public function getTypes(DocType $varType): array
      */
     private function createType(DocType $type, bool $nullable, string $docType = null): ?Type
     {
-        $docType = $docType ?? (string) $type;
+        $docType ??= (string) $type;
 
         if ($type instanceof Collection) {
             $fqsen = $type->getFqsen();
diff --git a/src/Symfony/Component/RateLimiter/Policy/Window.php b/src/Symfony/Component/RateLimiter/Policy/Window.php
index e1438d3534a56..cef914b648245 100644
--- a/src/Symfony/Component/RateLimiter/Policy/Window.php
+++ b/src/Symfony/Component/RateLimiter/Policy/Window.php
@@ -46,7 +46,7 @@ public function getExpirationTime(): ?int
 
     public function add(int $hits = 1, float $now = null)
     {
-        $now = $now ?? microtime(true);
+        $now ??= microtime(true);
         if (($now - $this->timer) > $this->intervalInSeconds) {
             // reset window
             $this->timer = $now;
diff --git a/src/Symfony/Component/Routing/Generator/UrlGenerator.php b/src/Symfony/Component/Routing/Generator/UrlGenerator.php
index ba4625c7b447e..4607a81ee595f 100644
--- a/src/Symfony/Component/Routing/Generator/UrlGenerator.php
+++ b/src/Symfony/Component/Routing/Generator/UrlGenerator.php
@@ -128,9 +128,7 @@ public function isStrictRequirements(): ?bool
     public function generate(string $name, array $parameters = [], int $referenceType = self::ABSOLUTE_PATH): string
     {
         $route = null;
-        $locale = $parameters['_locale']
-            ?? $this->context->getParameter('_locale')
-            ?: $this->defaultLocale;
+        $locale = $parameters['_locale'] ?? $this->context->getParameter('_locale') ?: $this->defaultLocale;
 
         if (null !== $locale) {
             do {
@@ -140,7 +138,7 @@ public function generate(string $name, array $parameters = [], int $referenceTyp
             } while (false !== $locale = strstr($locale, '_', true));
         }
 
-        if (null === $route = $route ?? $this->routes->get($name)) {
+        if (null === $route ??= $this->routes->get($name)) {
             throw new RouteNotFoundException(sprintf('Unable to generate a URL for the named route "%s" as such route does not exist.', $name));
         }
 
diff --git a/src/Symfony/Component/Routing/Matcher/Dumper/CompiledUrlMatcherDumper.php b/src/Symfony/Component/Routing/Matcher/Dumper/CompiledUrlMatcherDumper.php
index 10631dfa9de40..fb06479f1c0d9 100644
--- a/src/Symfony/Component/Routing/Matcher/Dumper/CompiledUrlMatcherDumper.php
+++ b/src/Symfony/Component/Routing/Matcher/Dumper/CompiledUrlMatcherDumper.php
@@ -427,7 +427,7 @@ private function compileRoute(Route $route, string $name, string|array|null $var
 
         if ($condition = $route->getCondition()) {
             $condition = $this->getExpressionLanguage()->compile($condition, ['context', 'request']);
-            $condition = $conditions[$condition] ?? $conditions[$condition] = (str_contains($condition, '$request') ? 1 : -1) * \count($conditions);
+            $condition = $conditions[$condition] ??= (str_contains($condition, '$request') ? 1 : -1) * \count($conditions);
         } else {
             $condition = null;
         }
diff --git a/src/Symfony/Component/Routing/Matcher/Dumper/CompiledUrlMatcherTrait.php b/src/Symfony/Component/Routing/Matcher/Dumper/CompiledUrlMatcherTrait.php
index 8b3bf53fef5cc..7e869e0491960 100644
--- a/src/Symfony/Component/Routing/Matcher/Dumper/CompiledUrlMatcherTrait.php
+++ b/src/Symfony/Component/Routing/Matcher/Dumper/CompiledUrlMatcherTrait.php
@@ -92,7 +92,7 @@ private function doMatch(string $pathinfo, array &$allow = [], array &$allowSche
         $supportsRedirections = 'GET' === $canonicalMethod && $this instanceof RedirectableUrlMatcherInterface;
 
         foreach ($this->staticRoutes[$trimmedPathinfo] ?? [] as [$ret, $requiredHost, $requiredMethods, $requiredSchemes, $hasTrailingSlash, , $condition]) {
-            if ($condition && !($this->checkCondition)($condition, $context, 0 < $condition ? $request ?? $request = $this->request ?: $this->createRequest($pathinfo) : null)) {
+            if ($condition && !($this->checkCondition)($condition, $context, 0 < $condition ? $request ??= $this->request ?: $this->createRequest($pathinfo) : null)) {
                 continue;
             }
 
@@ -136,7 +136,7 @@ private function doMatch(string $pathinfo, array &$allow = [], array &$allowSche
                         if (0 === $condition) { // marks the last route in the regexp
                             continue 3;
                         }
-                        if (!($this->checkCondition)($condition, $context, 0 < $condition ? $request ?? $request = $this->request ?: $this->createRequest($pathinfo) : null)) {
+                        if (!($this->checkCondition)($condition, $context, 0 < $condition ? $request ??= $this->request ?: $this->createRequest($pathinfo) : null)) {
                             continue;
                         }
                     }
diff --git a/src/Symfony/Component/Routing/Matcher/Dumper/StaticPrefixCollection.php b/src/Symfony/Component/Routing/Matcher/Dumper/StaticPrefixCollection.php
index 403607114991a..ab357bafd4b20 100644
--- a/src/Symfony/Component/Routing/Matcher/Dumper/StaticPrefixCollection.php
+++ b/src/Symfony/Component/Routing/Matcher/Dumper/StaticPrefixCollection.php
@@ -152,7 +152,7 @@ private function getCommonPrefix(string $prefix, string $anotherPrefix): array
         try {
             for ($i = $baseLength; $i < $end && $prefix[$i] === $anotherPrefix[$i]; ++$i) {
                 if ('(' === $prefix[$i]) {
-                    $staticLength = $staticLength ?? $i;
+                    $staticLength ??= $i;
                     for ($j = 1 + $i, $n = 1; $j < $end && 0 < $n; ++$j) {
                         if ($prefix[$j] !== $anotherPrefix[$j]) {
                             break 2;
diff --git a/src/Symfony/Component/Runtime/GenericRuntime.php b/src/Symfony/Component/Runtime/GenericRuntime.php
index 54a00e0d1aca7..6277988a2fe4b 100644
--- a/src/Symfony/Component/Runtime/GenericRuntime.php
+++ b/src/Symfony/Component/Runtime/GenericRuntime.php
@@ -59,8 +59,8 @@ class GenericRuntime implements RuntimeInterface
      */
     public function __construct(array $options = [])
     {
-        $options['env_var_name'] ?? $options['env_var_name'] = 'APP_ENV';
-        $debugKey = $options['debug_var_name'] ?? $options['debug_var_name'] = 'APP_DEBUG';
+        $options['env_var_name'] ??= 'APP_ENV';
+        $debugKey = $options['debug_var_name'] ??= 'APP_DEBUG';
 
         $debug = $options['debug'] ?? $_SERVER[$debugKey] ?? $_ENV[$debugKey] ?? true;
 
diff --git a/src/Symfony/Component/Runtime/SymfonyRuntime.php b/src/Symfony/Component/Runtime/SymfonyRuntime.php
index 4a8782b55d035..2e853ca9d2497 100644
--- a/src/Symfony/Component/Runtime/SymfonyRuntime.php
+++ b/src/Symfony/Component/Runtime/SymfonyRuntime.php
@@ -90,8 +90,8 @@ class SymfonyRuntime extends GenericRuntime
      */
     public function __construct(array $options = [])
     {
-        $envKey = $options['env_var_name'] ?? $options['env_var_name'] = 'APP_ENV';
-        $debugKey = $options['debug_var_name'] ?? $options['debug_var_name'] = 'APP_DEBUG';
+        $envKey = $options['env_var_name'] ??= 'APP_ENV';
+        $debugKey = $options['debug_var_name'] ??= 'APP_DEBUG';
 
         if (isset($options['env'])) {
             $_SERVER[$envKey] = $options['env'];
@@ -105,14 +105,14 @@ public function __construct(array $options = [])
                 ->setProdEnvs((array) ($options['prod_envs'] ?? ['prod']))
                 ->usePutenv($options['use_putenv'] ?? false)
                 ->bootEnv($options['project_dir'].'/'.($options['dotenv_path'] ?? '.env'), 'dev', (array) ($options['test_envs'] ?? ['test']), $options['dotenv_overload'] ?? false);
-            $options['debug'] ?? $options['debug'] = '1' === $_SERVER[$debugKey];
+            $options['debug'] ??= '1' === $_SERVER[$debugKey];
             $options['disable_dotenv'] = true;
         } else {
-            $_SERVER[$envKey] ?? $_SERVER[$envKey] = $_ENV[$envKey] ?? 'dev';
-            $_SERVER[$debugKey] ?? $_SERVER[$debugKey] = $_ENV[$debugKey] ?? !\in_array($_SERVER[$envKey], (array) ($options['prod_envs'] ?? ['prod']), true);
+            $_SERVER[$envKey] ??= $_ENV[$envKey] ?? 'dev';
+            $_SERVER[$debugKey] ??= $_ENV[$debugKey] ?? !\in_array($_SERVER[$envKey], (array) ($options['prod_envs'] ?? ['prod']), true);
         }
 
-        $options['error_handler'] ?? $options['error_handler'] = SymfonyErrorHandler::class;
+        $options['error_handler'] ??= SymfonyErrorHandler::class;
 
         parent::__construct($options);
     }
@@ -128,7 +128,7 @@ public function getRunner(?object $application): RunnerInterface
         }
 
         if ($application instanceof Command) {
-            $console = $this->console ?? $this->console = new Application();
+            $console = $this->console ??= new Application();
             $console->setName($application->getName() ?: $console->getName());
 
             if (!$application->getName() || !$console->has($application->getName())) {
@@ -149,7 +149,7 @@ public function getRunner(?object $application): RunnerInterface
 
             set_time_limit(0);
             $defaultEnv = !isset($this->options['env']) ? ($_SERVER[$this->options['env_var_name']] ?? 'dev') : null;
-            $output = $this->output ?? $this->output = new ConsoleOutput();
+            $output = $this->output ??= new ConsoleOutput();
 
             return new ConsoleApplicationRunner($application, $defaultEnv, $this->getInput(), $output);
         }
@@ -171,13 +171,13 @@ protected function getArgument(\ReflectionParameter $parameter, ?string $type):
                 return $this->getInput();
 
             case OutputInterface::class:
-                return $this->output ?? $this->output = new ConsoleOutput();
+                return $this->output ??= new ConsoleOutput();
 
             case Application::class:
-                return $this->console ?? $this->console = new Application();
+                return $this->console ??= new Application();
 
             case Command::class:
-                return $this->command ?? $this->command = new Command();
+                return $this->command ??= new Command();
         }
 
         return parent::getArgument($parameter, $type);
diff --git a/src/Symfony/Component/Security/Core/Signature/ExpiredSignatureStorage.php b/src/Symfony/Component/Security/Core/Signature/ExpiredSignatureStorage.php
index 402092f6cb60e..20803b9742e02 100644
--- a/src/Symfony/Component/Security/Core/Signature/ExpiredSignatureStorage.php
+++ b/src/Symfony/Component/Security/Core/Signature/ExpiredSignatureStorage.php
@@ -15,8 +15,6 @@
 
 /**
  * @author Ryan Weaver <ryan@symfonycasts.com>
- *
- * @final
  */
 final class ExpiredSignatureStorage
 {
diff --git a/src/Symfony/Component/Security/Http/Authenticator/Debug/TraceableAuthenticator.php b/src/Symfony/Component/Security/Http/Authenticator/Debug/TraceableAuthenticator.php
index 6e536b3784948..5aa009d7ffc46 100644
--- a/src/Symfony/Component/Security/Http/Authenticator/Debug/TraceableAuthenticator.php
+++ b/src/Symfony/Component/Security/Http/Authenticator/Debug/TraceableAuthenticator.php
@@ -45,7 +45,7 @@ public function getInfo(): array
             'supports' => true,
             'passport' => $this->passport,
             'duration' => $this->duration,
-            'stub' => $this->stub ?? $this->stub = class_exists(ClassStub::class) ? new ClassStub(\get_class($this->authenticator)) : \get_class($this->authenticator),
+            'stub' => $this->stub ??= class_exists(ClassStub::class) ? new ClassStub(\get_class($this->authenticator)) : \get_class($this->authenticator),
         ];
     }
 
diff --git a/src/Symfony/Component/Serializer/Normalizer/NormalizableInterface.php b/src/Symfony/Component/Serializer/Normalizer/NormalizableInterface.php
index e518608eb0b81..d449a43065140 100644
--- a/src/Symfony/Component/Serializer/Normalizer/NormalizableInterface.php
+++ b/src/Symfony/Component/Serializer/Normalizer/NormalizableInterface.php
@@ -32,8 +32,6 @@ interface NormalizableInterface
      * @param string|null         $format     The format is optionally given to be able to normalize differently
      *                                        based on different output formats
      * @param array               $context    Options for normalizing this object
-     *
-     * @return array|string|int|float|bool
      */
     public function normalize(NormalizerInterface $normalizer, string $format = null, array $context = []): array|string|int|float|bool;
 }
diff --git a/src/Symfony/Component/Serializer/Normalizer/ObjectToPopulateTrait.php b/src/Symfony/Component/Serializer/Normalizer/ObjectToPopulateTrait.php
index 6a0d324ce0691..23be4c6afdb51 100644
--- a/src/Symfony/Component/Serializer/Normalizer/ObjectToPopulateTrait.php
+++ b/src/Symfony/Component/Serializer/Normalizer/ObjectToPopulateTrait.php
@@ -23,7 +23,7 @@ trait ObjectToPopulateTrait
      */
     protected function extractObjectToPopulate(string $class, array $context, string $key = null): ?object
     {
-        $key = $key ?? AbstractNormalizer::OBJECT_TO_POPULATE;
+        $key ??= AbstractNormalizer::OBJECT_TO_POPULATE;
 
         if (isset($context[$key]) && \is_object($context[$key]) && $context[$key] instanceof $class) {
             return $context[$key];
diff --git a/src/Symfony/Component/String/AbstractString.php b/src/Symfony/Component/String/AbstractString.php
index 0c17f9e181b86..b66e3d20e4f52 100644
--- a/src/Symfony/Component/String/AbstractString.php
+++ b/src/Symfony/Component/String/AbstractString.php
@@ -74,7 +74,7 @@ public static function wrap(array $values): array
 
         foreach ($values as $k => $v) {
             if (\is_string($k) && '' !== $k && $k !== $j = (string) new static($k)) {
-                $keys = $keys ?? array_keys($values);
+                $keys ??= array_keys($values);
                 $keys[$i] = $j;
             }
 
@@ -425,9 +425,6 @@ public function repeat(int $multiplier): static
 
     abstract public function replace(string $from, string $to): static;
 
-    /**
-     * @param string|callable $to
-     */
     abstract public function replaceMatches(string $fromRegexp, string|callable $to): static;
 
     abstract public function reverse(): static;
diff --git a/src/Symfony/Component/String/ByteString.php b/src/Symfony/Component/String/ByteString.php
index 05ec6903749c2..21bbf4a670471 100644
--- a/src/Symfony/Component/String/ByteString.php
+++ b/src/Symfony/Component/String/ByteString.php
@@ -48,7 +48,7 @@ public static function fromRandom(int $length = 16, string $alphabet = null): se
             throw new InvalidArgumentException(sprintf('A strictly positive length is expected, "%d" given.', $length));
         }
 
-        $alphabet = $alphabet ?? self::ALPHABET_ALPHANUMERIC;
+        $alphabet ??= self::ALPHABET_ALPHANUMERIC;
         $alphabetSize = \strlen($alphabet);
         $bits = (int) ceil(log($alphabetSize, 2.0));
         if ($bits <= 0 || $bits > 56) {
@@ -363,7 +363,7 @@ public function splice(string $replacement, int $start = 0, int $length = null):
 
     public function split(string $delimiter, int $limit = null, int $flags = null): array
     {
-        if (1 > $limit = $limit ?? \PHP_INT_MAX) {
+        if (1 > $limit ??= \PHP_INT_MAX) {
             throw new InvalidArgumentException('Split limit must be a positive integer.');
         }
 
diff --git a/src/Symfony/Component/String/CodePointString.php b/src/Symfony/Component/String/CodePointString.php
index 926ff79849a36..f5c900fb2c73f 100644
--- a/src/Symfony/Component/String/CodePointString.php
+++ b/src/Symfony/Component/String/CodePointString.php
@@ -210,7 +210,7 @@ public function splice(string $replacement, int $start = 0, int $length = null):
 
     public function split(string $delimiter, int $limit = null, int $flags = null): array
     {
-        if (1 > $limit = $limit ?? \PHP_INT_MAX) {
+        if (1 > $limit ??= \PHP_INT_MAX) {
             throw new InvalidArgumentException('Split limit must be a positive integer.');
         }
 
diff --git a/src/Symfony/Component/String/Resources/functions.php b/src/Symfony/Component/String/Resources/functions.php
index c950894f3934d..7a970400a86bc 100644
--- a/src/Symfony/Component/String/Resources/functions.php
+++ b/src/Symfony/Component/String/Resources/functions.php
@@ -31,7 +31,7 @@ function b(?string $string = ''): ByteString
      */
     function s(?string $string = ''): AbstractString
     {
-        $string = $string ?? '';
+        $string ??= '';
 
         return preg_match('//u', $string) ? new UnicodeString($string) : new ByteString($string);
     }
diff --git a/src/Symfony/Component/String/Slugger/AsciiSlugger.php b/src/Symfony/Component/String/Slugger/AsciiSlugger.php
index 77b1e13b006e9..d32e3051f9051 100644
--- a/src/Symfony/Component/String/Slugger/AsciiSlugger.php
+++ b/src/Symfony/Component/String/Slugger/AsciiSlugger.php
@@ -93,7 +93,7 @@ public function getLocale(): string
      */
     public function slug(string $string, string $separator = '-', string $locale = null): AbstractUnicodeString
     {
-        $locale = $locale ?? $this->defaultLocale;
+        $locale ??= $this->defaultLocale;
 
         $transliterator = [];
         if ($locale && ('de' === $locale || str_starts_with($locale, 'de_'))) {
diff --git a/src/Symfony/Component/String/Tests/AbstractUnicodeTestCase.php b/src/Symfony/Component/String/Tests/AbstractUnicodeTestCase.php
index f84942c4ba84b..7afbca87e9440 100644
--- a/src/Symfony/Component/String/Tests/AbstractUnicodeTestCase.php
+++ b/src/Symfony/Component/String/Tests/AbstractUnicodeTestCase.php
@@ -37,9 +37,9 @@ public function provideCreateFromCodePoint(): array
             ['*', [42]],
             ['AZ', [65, 90]],
             ['€', [8364]],
-            ['€', [0x20ac]],
+            ['€', [0x20AC]],
             ['Ʃ', [425]],
-            ['Ʃ', [0x1a9]],
+            ['Ʃ', [0x1A9]],
             ['☢☎❄', [0x2622, 0x260E, 0x2744]],
         ];
     }
diff --git a/src/Symfony/Component/String/UnicodeString.php b/src/Symfony/Component/String/UnicodeString.php
index 70cf4c54348c9..47a708bbcb0a9 100644
--- a/src/Symfony/Component/String/UnicodeString.php
+++ b/src/Symfony/Component/String/UnicodeString.php
@@ -280,7 +280,7 @@ public function splice(string $replacement, int $start = 0, int $length = null):
 
     public function split(string $delimiter, int $limit = null, int $flags = null): array
     {
-        if (1 > $limit = $limit ?? 2147483647) {
+        if (1 > $limit ??= 2147483647) {
             throw new InvalidArgumentException('Split limit must be a positive integer.');
         }
 
diff --git a/src/Symfony/Component/Templating/Loader/LoaderInterface.php b/src/Symfony/Component/Templating/Loader/LoaderInterface.php
index 00b7f46cb83be..531a1dff13818 100644
--- a/src/Symfony/Component/Templating/Loader/LoaderInterface.php
+++ b/src/Symfony/Component/Templating/Loader/LoaderInterface.php
@@ -23,8 +23,6 @@ interface LoaderInterface
 {
     /**
      * Loads a template.
-     *
-     * @return Storage|false
      */
     public function load(TemplateReferenceInterface $template): Storage|false;
 
diff --git a/src/Symfony/Component/Translation/DataCollector/TranslationDataCollector.php b/src/Symfony/Component/Translation/DataCollector/TranslationDataCollector.php
index e6676fb4ed14f..4244511e46afa 100644
--- a/src/Symfony/Component/Translation/DataCollector/TranslationDataCollector.php
+++ b/src/Symfony/Component/Translation/DataCollector/TranslationDataCollector.php
@@ -62,9 +62,6 @@ public function reset()
         $this->data = [];
     }
 
-    /**
-     * @return array|Data
-     */
     public function getMessages(): array|Data
     {
         return $this->data['messages'] ?? [];
diff --git a/src/Symfony/Component/Translation/DependencyInjection/TranslatorPathsPass.php b/src/Symfony/Component/Translation/DependencyInjection/TranslatorPathsPass.php
index 976c4c8bbc89f..b85c0662181d6 100644
--- a/src/Symfony/Component/Translation/DependencyInjection/TranslatorPathsPass.php
+++ b/src/Symfony/Component/Translation/DependencyInjection/TranslatorPathsPass.php
@@ -85,7 +85,7 @@ public function process(ContainerBuilder $container)
     protected function processValue(mixed $value, bool $isRoot = false): mixed
     {
         if ($value instanceof Reference) {
-            if ((string) $value === 'translator') {
+            if ('translator' === (string) $value) {
                 for ($i = $this->level - 1; $i >= 0; --$i) {
                     $class = $this->definitions[$i]->getClass();
 
diff --git a/src/Symfony/Component/Translation/Formatter/IntlFormatter.php b/src/Symfony/Component/Translation/Formatter/IntlFormatter.php
index f7f1c36a2a127..546c992a2c6a4 100644
--- a/src/Symfony/Component/Translation/Formatter/IntlFormatter.php
+++ b/src/Symfony/Component/Translation/Formatter/IntlFormatter.php
@@ -34,7 +34,7 @@ public function formatIntl(string $message, string $locale, array $parameters =
         }
 
         if (!$formatter = $this->cache[$locale][$message] ?? null) {
-            if (!($this->hasMessageFormatter ?? $this->hasMessageFormatter = class_exists(\MessageFormatter::class))) {
+            if (!$this->hasMessageFormatter ??= class_exists(\MessageFormatter::class)) {
                 throw new LogicException('Cannot parse message translation: please install the "intl" PHP extension or the "symfony/polyfill-intl-messageformatter" package.');
             }
             try {
diff --git a/src/Symfony/Component/Translation/Loader/XliffFileLoader.php b/src/Symfony/Component/Translation/Loader/XliffFileLoader.php
index 94be7c5cca008..c379d6ca5ba04 100644
--- a/src/Symfony/Component/Translation/Loader/XliffFileLoader.php
+++ b/src/Symfony/Component/Translation/Loader/XliffFileLoader.php
@@ -57,7 +57,7 @@ public function load(mixed $resource, string $locale, string $domain = 'messages
             } else {
                 $dom = XmlUtils::loadFile($resource);
             }
-        } catch (\InvalidArgumentException | XmlParsingException | InvalidXmlException $e) {
+        } catch (\InvalidArgumentException|XmlParsingException|InvalidXmlException $e) {
             throw new InvalidResourceException(sprintf('Unable to load "%s": ', $resource).$e->getMessage(), $e->getCode(), $e);
         }
 
diff --git a/src/Symfony/Component/Uid/BinaryUtil.php b/src/Symfony/Component/Uid/BinaryUtil.php
index 131976021560f..8fd19d8674af0 100644
--- a/src/Symfony/Component/Uid/BinaryUtil.php
+++ b/src/Symfony/Component/Uid/BinaryUtil.php
@@ -39,7 +39,7 @@ class BinaryUtil
     // https://tools.ietf.org/html/rfc4122#section-4.1.4
     // 0x01b21dd213814000 is the number of 100-ns intervals between the
     // UUID epoch 1582-10-15 00:00:00 and the Unix epoch 1970-01-01 00:00:00.
-    private const TIME_OFFSET_INT = 0x01b21dd213814000;
+    private const TIME_OFFSET_INT = 0x01B21DD213814000;
     private const TIME_OFFSET_BIN = "\x01\xb2\x1d\xd2\x13\x81\x40\x00";
     private const TIME_OFFSET_COM1 = "\xfe\x4d\xe2\x2d\xec\x7e\xbf\xff";
     private const TIME_OFFSET_COM2 = "\xfe\x4d\xe2\x2d\xec\x7e\xc0\x00";
diff --git a/src/Symfony/Component/Uid/Factory/NameBasedUuidFactory.php b/src/Symfony/Component/Uid/Factory/NameBasedUuidFactory.php
index e367d8e26f83e..c8cf36663725b 100644
--- a/src/Symfony/Component/Uid/Factory/NameBasedUuidFactory.php
+++ b/src/Symfony/Component/Uid/Factory/NameBasedUuidFactory.php
@@ -26,9 +26,6 @@ public function __construct(string $class, Uuid $namespace)
         $this->namespace = $namespace;
     }
 
-    /**
-     * @return UuidV5|UuidV3
-     */
     public function create(string $name): UuidV5|UuidV3
     {
         switch ($class = $this->class) {
diff --git a/src/Symfony/Component/Uid/Factory/TimeBasedUuidFactory.php b/src/Symfony/Component/Uid/Factory/TimeBasedUuidFactory.php
index 5074dc2ba766b..dffb50e258baf 100644
--- a/src/Symfony/Component/Uid/Factory/TimeBasedUuidFactory.php
+++ b/src/Symfony/Component/Uid/Factory/TimeBasedUuidFactory.php
@@ -26,9 +26,6 @@ public function __construct(string $class, Uuid $node = null)
         $this->node = $node;
     }
 
-    /**
-     * @return UuidV6|UuidV1
-     */
     public function create(\DateTimeInterface $time = null): UuidV6|UuidV1
     {
         $class = $this->class;
diff --git a/src/Symfony/Component/Uid/Factory/UuidFactory.php b/src/Symfony/Component/Uid/Factory/UuidFactory.php
index 279c0d5ce9bf7..35a06e80f33f2 100644
--- a/src/Symfony/Component/Uid/Factory/UuidFactory.php
+++ b/src/Symfony/Component/Uid/Factory/UuidFactory.php
@@ -44,9 +44,6 @@ public function __construct(string|int $defaultClass = UuidV6::class, string|int
         $this->nameBasedNamespace = $nameBasedNamespace;
     }
 
-    /**
-     * @return UuidV6|UuidV4|UuidV1
-     */
     public function create(): UuidV6|UuidV4|UuidV1
     {
         $class = $this->defaultClass;
@@ -61,7 +58,7 @@ public function randomBased(): RandomBasedUuidFactory
 
     public function timeBased(Uuid|string $node = null): TimeBasedUuidFactory
     {
-        $node ?? $node = $this->timeBasedNode;
+        $node ??= $this->timeBasedNode;
 
         if (null !== $node && !$node instanceof Uuid) {
             $node = Uuid::fromString($node);
@@ -72,7 +69,7 @@ public function timeBased(Uuid|string $node = null): TimeBasedUuidFactory
 
     public function nameBased(Uuid|string $namespace = null): NameBasedUuidFactory
     {
-        $namespace ?? $namespace = $this->nameBasedNamespace;
+        $namespace ??= $this->nameBasedNamespace;
 
         if (null === $namespace) {
             throw new \LogicException(sprintf('A namespace should be defined when using "%s()".', __METHOD__));
diff --git a/src/Symfony/Component/Uid/UuidV1.php b/src/Symfony/Component/Uid/UuidV1.php
index 4c1c120dfb0be..1f4ad3314a957 100644
--- a/src/Symfony/Component/Uid/UuidV1.php
+++ b/src/Symfony/Component/Uid/UuidV1.php
@@ -54,7 +54,7 @@ public static function generate(\DateTimeInterface $time = null, Uuid $node = nu
                 $seq = substr($uuid, 19, 4);
 
                 while (null === self::$clockSeq || $seq === self::$clockSeq) {
-                    self::$clockSeq = sprintf('%04x', random_int(0, 0x3fff) | 0x8000);
+                    self::$clockSeq = sprintf('%04x', random_int(0, 0x3FFF) | 0x8000);
                 }
 
                 $seq = self::$clockSeq;
diff --git a/src/Symfony/Component/Uid/UuidV6.php b/src/Symfony/Component/Uid/UuidV6.php
index 1ef7d5c64eb74..3e753f6a8ab90 100644
--- a/src/Symfony/Component/Uid/UuidV6.php
+++ b/src/Symfony/Component/Uid/UuidV6.php
@@ -56,7 +56,7 @@ public static function generate(\DateTimeInterface $time = null, Uuid $node = nu
         // UUIDv6 prefers a truly random number here, let's XOR both to preserve the entropy
 
         if (!isset(self::$node)) {
-            $seed = [random_int(0, 0xffffff), random_int(0, 0xffffff)];
+            $seed = [random_int(0, 0xFFFFFF), random_int(0, 0xFFFFFF)];
             $node = unpack('N2', hex2bin('00'.substr($uuidV1, 24, 6)).hex2bin('00'.substr($uuidV1, 30)));
             self::$node = sprintf('%06x%06x', ($seed[0] ^ $node[1]) | 0x010000, $seed[1] ^ $node[2]);
         }
diff --git a/src/Symfony/Component/Validator/Constraints/Count.php b/src/Symfony/Component/Validator/Constraints/Count.php
index a29f69a588c10..f8ffc3750efa4 100644
--- a/src/Symfony/Component/Validator/Constraints/Count.php
+++ b/src/Symfony/Component/Validator/Constraints/Count.php
@@ -61,8 +61,8 @@ public function __construct(
             $exactly = $options['value'] ?? null;
         }
 
-        $min = $min ?? $options['min'] ?? null;
-        $max = $max ?? $options['max'] ?? null;
+        $min ??= $options['min'] ?? null;
+        $max ??= $options['max'] ?? null;
 
         unset($options['value'], $options['min'], $options['max']);
 
diff --git a/src/Symfony/Component/Validator/Constraints/Length.php b/src/Symfony/Component/Validator/Constraints/Length.php
index 717e5b2c4ce8f..7585b417d45c5 100644
--- a/src/Symfony/Component/Validator/Constraints/Length.php
+++ b/src/Symfony/Component/Validator/Constraints/Length.php
@@ -64,8 +64,8 @@ public function __construct(
             $exactly = $options['value'] ?? null;
         }
 
-        $min = $min ?? $options['min'] ?? null;
-        $max = $max ?? $options['max'] ?? null;
+        $min ??= $options['min'] ?? null;
+        $max ??=  $options['max'] ?? null;
 
         unset($options['value'], $options['min'], $options['max']);
 
diff --git a/src/Symfony/Component/Validator/Mapping/Factory/LazyLoadingMetadataFactory.php b/src/Symfony/Component/Validator/Mapping/Factory/LazyLoadingMetadataFactory.php
index 74ce3571d95ab..61f5e009cfe9b 100644
--- a/src/Symfony/Component/Validator/Mapping/Factory/LazyLoadingMetadataFactory.php
+++ b/src/Symfony/Component/Validator/Mapping/Factory/LazyLoadingMetadataFactory.php
@@ -87,7 +87,7 @@ public function getMetadataFor(mixed $value): MetadataInterface
         }
 
         $cacheItem = $this->cache?->getItem($this->escapeClassName($class));
-        if ($cacheItem && $cacheItem->isHit()) {
+        if ($cacheItem?->isHit()) {
             $metadata = $cacheItem->get();
 
             // Include constraints from the parent class
diff --git a/src/Symfony/Component/Validator/Mapping/MemberMetadata.php b/src/Symfony/Component/Validator/Mapping/MemberMetadata.php
index 8de2d5ef1591b..428e16a46d775 100644
--- a/src/Symfony/Component/Validator/Mapping/MemberMetadata.php
+++ b/src/Symfony/Component/Validator/Mapping/MemberMetadata.php
@@ -141,8 +141,6 @@ public function isPrivate(object|string $objectOrClassName): bool
 
     /**
      * Returns the reflection instance for accessing the member's value.
-     *
-     * @return \ReflectionMethod|\ReflectionProperty
      */
     public function getReflectionMember(object|string $objectOrClassName): \ReflectionMethod|\ReflectionProperty
     {
diff --git a/src/Symfony/Component/Validator/Validation.php b/src/Symfony/Component/Validator/Validation.php
index 169984bbcebd4..3df02e118c4b9 100644
--- a/src/Symfony/Component/Validator/Validation.php
+++ b/src/Symfony/Component/Validator/Validation.php
@@ -51,7 +51,7 @@ public static function createIsValidCallable(Constraint|ValidatorInterface $cons
             $validator = null;
         }
 
-        $validator = $validator ?? self::createValidator();
+        $validator ??= self::createValidator();
 
         return static function (mixed $value, ConstraintViolationListInterface &$violations = null) use ($constraints, $validator): bool {
             $violations = $validator->validate($value, $constraints);
diff --git a/src/Symfony/Component/VarDumper/Caster/Caster.php b/src/Symfony/Component/VarDumper/Caster/Caster.php
index 53f4461d0df80..517138b393b14 100644
--- a/src/Symfony/Component/VarDumper/Caster/Caster.php
+++ b/src/Symfony/Component/VarDumper/Caster/Caster.php
@@ -61,7 +61,7 @@ public static function castObject(object $obj, string $class, bool $hasDebugInfo
 
         if ($a) {
             static $publicProperties = [];
-            $debugClass = $debugClass ?? get_debug_type($obj);
+            $debugClass ??= get_debug_type($obj);
 
             $i = 0;
             $prefixedKeys = [];
diff --git a/src/Symfony/Component/VarDumper/Tests/Dumper/ServerDumperTest.php b/src/Symfony/Component/VarDumper/Tests/Dumper/ServerDumperTest.php
index 447d4856f7329..ff4727538399c 100644
--- a/src/Symfony/Component/VarDumper/Tests/Dumper/ServerDumperTest.php
+++ b/src/Symfony/Component/VarDumper/Tests/Dumper/ServerDumperTest.php
@@ -37,6 +37,9 @@ public function testDumpForwardsToWrappedDumperWhenServerIsUnavailable()
         $dumper->dump($data);
     }
 
+    /**
+     * @group transient-on-macos
+     */
     public function testDump()
     {
         $wrappedDumper = $this->createMock(DataDumperInterface::class);
diff --git a/src/Symfony/Component/VarDumper/Tests/Server/ConnectionTest.php b/src/Symfony/Component/VarDumper/Tests/Server/ConnectionTest.php
index 70629a221569a..ee89d74d0af3d 100644
--- a/src/Symfony/Component/VarDumper/Tests/Server/ConnectionTest.php
+++ b/src/Symfony/Component/VarDumper/Tests/Server/ConnectionTest.php
@@ -22,6 +22,9 @@ class ConnectionTest extends TestCase
 {
     private const VAR_DUMPER_SERVER = 'tcp://127.0.0.1:9913';
 
+    /**
+     * @group transient-on-macos
+     */
     public function testDump()
     {
         $cloner = new VarCloner();
diff --git a/src/Symfony/Component/Workflow/Dumper/GraphvizDumper.php b/src/Symfony/Component/Workflow/Dumper/GraphvizDumper.php
index 37dad66cfe2cb..18d892f2fe6a0 100644
--- a/src/Symfony/Component/Workflow/Dumper/GraphvizDumper.php
+++ b/src/Symfony/Component/Workflow/Dumper/GraphvizDumper.php
@@ -73,7 +73,7 @@ protected function findPlaces(Definition $definition, Marking $marking = null):
             if (\in_array($place, $definition->getInitialPlaces(), true)) {
                 $attributes['style'] = 'filled';
             }
-            if ($marking && $marking->has($place)) {
+            if ($marking?->has($place)) {
                 $attributes['color'] = '#FF0000';
                 $attributes['shape'] = 'doublecircle';
             }
diff --git a/src/Symfony/Component/Workflow/Dumper/MermaidDumper.php b/src/Symfony/Component/Workflow/Dumper/MermaidDumper.php
index 67d296ea0ed2a..da11298ec9fe8 100644
--- a/src/Symfony/Component/Workflow/Dumper/MermaidDumper.php
+++ b/src/Symfony/Component/Workflow/Dumper/MermaidDumper.php
@@ -73,7 +73,7 @@ public function dump(Definition $definition, Marking $marking = null, array $opt
                 $place,
                 $meta->getPlaceMetadata($place),
                 \in_array($place, $definition->getInitialPlaces()),
-                null !== $marking && $marking->has($place)
+                $marking?->has($place) ?? false
             );
 
             $output[] = $placeNode;
diff --git a/src/Symfony/Component/Workflow/Dumper/PlantUmlDumper.php b/src/Symfony/Component/Workflow/Dumper/PlantUmlDumper.php
index f6b2536372019..9f109545a8f89 100644
--- a/src/Symfony/Component/Workflow/Dumper/PlantUmlDumper.php
+++ b/src/Symfony/Component/Workflow/Dumper/PlantUmlDumper.php
@@ -200,7 +200,7 @@ private function getState(string $place, Definition $definition, Marking $markin
 
         $output = "state $placeEscaped".
             (\in_array($place, $definition->getInitialPlaces(), true) ? ' '.self::INITIAL : '').
-            ($marking && $marking->has($place) ? ' '.self::MARKED : '');
+            ($marking?->has($place) ? ' '.self::MARKED : '');
 
         $backgroundColor = $workflowMetadata->getMetadata('bg_color', $place);
         if (null !== $backgroundColor) {
diff --git a/src/Symfony/Component/Workflow/Tests/EventListener/GuardListenerTest.php b/src/Symfony/Component/Workflow/Tests/EventListener/GuardListenerTest.php
index a767ae5e5a537..f8907ed4e5de9 100644
--- a/src/Symfony/Component/Workflow/Tests/EventListener/GuardListenerTest.php
+++ b/src/Symfony/Component/Workflow/Tests/EventListener/GuardListenerTest.php
@@ -137,7 +137,7 @@ public function testGuardExpressionBlocks()
     private function createEvent(Transition $transition = null)
     {
         $subject = new Subject();
-        $transition = $transition ?? new Transition('name', 'from', 'to');
+        $transition ??= new Transition('name', 'from', 'to');
 
         $workflow = $this->createMock(WorkflowInterface::class);
 
diff --git a/src/Symfony/Component/Yaml/Command/LintCommand.php b/src/Symfony/Component/Yaml/Command/LintCommand.php
index f71bb449167d0..243260ea2bd02 100644
--- a/src/Symfony/Component/Yaml/Command/LintCommand.php
+++ b/src/Symfony/Component/Yaml/Command/LintCommand.php
@@ -11,8 +11,8 @@
 
 namespace Symfony\Component\Yaml\Command;
 
-use Symfony\Component\Console\CI\GithubActionReporter;
 use Symfony\Component\Console\Attribute\AsCommand;
+use Symfony\Component\Console\CI\GithubActionReporter;
 use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Completion\CompletionInput;
 use Symfony\Component\Console\Completion\CompletionSuggestions;
diff --git a/src/Symfony/Contracts/Cache/CacheTrait.php b/src/Symfony/Contracts/Cache/CacheTrait.php
index d245df651f5c4..9ac5a6df38f53 100644
--- a/src/Symfony/Contracts/Cache/CacheTrait.php
+++ b/src/Symfony/Contracts/Cache/CacheTrait.php
@@ -43,7 +43,7 @@ public function delete(string $key): bool
 
     private function doGet(CacheItemPoolInterface $pool, string $key, callable $callback, ?float $beta, array &$metadata = null, LoggerInterface $logger = null): mixed
     {
-        if (0 > $beta = $beta ?? 1.0) {
+        if (0 > $beta ??= 1.0) {
             throw new class(sprintf('Argument "$beta" provided to "%s::get()" must be a positive number, %f given.', static::class, $beta)) extends \InvalidArgumentException implements InvalidArgumentException { };
         }
 
@@ -58,7 +58,7 @@ private function doGet(CacheItemPoolInterface $pool, string $key, callable $call
             if ($recompute = $ctime && $expiry && $expiry <= ($now = microtime(true)) - $ctime / 1000 * $beta * log(random_int(1, \PHP_INT_MAX) / \PHP_INT_MAX)) {
                 // force applying defaultLifetime to expiry
                 $item->expiresAt(null);
-                $logger && $logger->info('Item "{key}" elected for early recomputation {delta}s before its expiration', [
+                $logger?->info('Item "{key}" elected for early recomputation {delta}s before its expiration', [
                     'key' => $key,
                     'delta' => sprintf('%.1f', $expiry - $now),
                 ]);