Use ??= more

Author: nicolas-grekas

Bundle/Bundle.php

@@ -136,8 +136,6 @@ private function parseClassName()
     {
         $pos = strrpos(static::class, '\\');
         $this->namespace = false === $pos ? '' : substr(static::class, 0, $pos);
-        if (null === $this->name) {
-            $this->name = false === $pos ? static::class : substr(static::class, $pos + 1);
-        }
+        $this->name ??= false === $pos ? static::class : substr(static::class, $pos + 1);
     }
 }

Fragment/InlineFragmentRenderer.php

@@ -118,9 +118,7 @@ protected function createSubRequest(string $uri, Request $request)
 
         static $setSession;
 
-        if (null === $setSession) {
-            $setSession = \Closure::bind(static function ($subRequest, $request) { $subRequest->session = $request->session; }, null, Request::class);
-        }
+        $setSession ??= \Closure::bind(static function ($subRequest, $request) { $subRequest->session = $request->session; }, null, Request::class);
         $setSession($subRequest, $request);
 
         if ($request->get('_format')) {

HttpCache/HttpCache.php

@@ -696,10 +696,7 @@ private function getTraceKey(Request $request): string
     private function mayServeStaleWhileRevalidate(Response $entry): bool
     {
         $timeout = $entry->headers->getCacheControlDirective('stale-while-revalidate');
-
-        if (null === $timeout) {
-            $timeout = $this->options['stale_while_revalidate'];
-        }
+        $timeout ??= $this->options['stale_while_revalidate'];
 
         return abs($entry->getTtl() ?? 0) < $timeout;
     }

Tests/HttpCache/StoreTest.php

@@ -319,9 +319,7 @@ public function testPurgeHttpAndHttps()
 
     protected function storeSimpleEntry($path = null, $headers = [])
     {
-        if (null === $path) {
-            $path = '/test';
-        }
+        $path ??= '/test';
 
         $this->request = Request::create($path, 'get', [], [], [], $headers);
         $this->response = new Response('test', 200, ['Cache-Control' => 'max-age=420']);

Tests/HttpKernelTest.php

@@ -479,9 +479,7 @@ public function testInconsistentClientIpsOnMainRequests()
 
     private function getHttpKernel(EventDispatcherInterface $eventDispatcher, $controller = null, RequestStack $requestStack = null, array $arguments = [], bool $handleAllThrowables = false)
     {
-        if (null === $controller) {
-            $controller = function () { return new Response('Hello'); };
-        }
+        $controller ??= function () { return new Response('Hello'); };
 
         $controllerResolver = $this->createMock(ControllerResolverInterface::class);
         $controllerResolver