Add more nullsafe operators

Author: nicolas-grekas

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);
     }

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'].';';

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]);
         }
 

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]);
         }