Merge branch '4.4' into 5.0

* 4.4:
  Parse and render anonymous classes correctly on php 8
  Enable APCu for the php 8 build.
  [Process] Fix failing test on php 8.
  [HttpKernel] fix test
  Make PHP 8 green on Travis
  Revert "[Cache] allow DBAL v3"
  [PropertyAccessor] Added missing property path on php 8.
  Don't execute tests with DBAL 2.x on php 8.

Author: nicolas-grekas

Kernel.php

@@ -218,10 +218,7 @@ public function getBundles()
     public function getBundle(string $name)
     {
         if (!isset($this->bundles[$name])) {
-            $class = static::class;
-            $class = 'c' === $class[0] && 0 === strpos($class, "class@anonymous\0") ? get_parent_class($class).'@anonymous' : $class;
-
-            throw new \InvalidArgumentException(sprintf('Bundle "%s" does not exist or it is not enabled. Maybe you forgot to add it in the "registerBundles()" method of your "%s.php" file?', $name, $class));
+            throw new \InvalidArgumentException(sprintf('Bundle "%s" does not exist or it is not enabled. Maybe you forgot to add it in the "registerBundles()" method of your "%s.php" file?', $name, get_debug_type($this)));
         }
 
         return $this->bundles[$name];
@@ -394,8 +391,9 @@ protected function build(ContainerBuilder $container)
     protected function getContainerClass()
     {
         $class = static::class;
-        $class = 'c' === $class[0] && 0 === strpos($class, "class@anonymous\0") ? get_parent_class($class).str_replace('.', '_', ContainerBuilder::hash($class)) : $class;
+        $class = false !== strpos($class, "@anonymous\0") ? get_parent_class($class).str_replace('.', '_', ContainerBuilder::hash($class)) : $class;
         $class = str_replace('\\', '_', $class).ucfirst($this->environment).($this->debug ? 'Debug' : '').'Container';
+
         if (!preg_match('/^[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*$/', $class)) {
             throw new \InvalidArgumentException(sprintf('The environment "%s" contains invalid characters, it can only contain characters allowed in PHP class names.', $this->environment));
         }

Tests/Controller/ArgumentResolverTest.php

@@ -204,19 +204,19 @@ public function testGetNullableArguments()
         $request = Request::create('/');
         $request->attributes->set('foo', 'foo');
         $request->attributes->set('bar', new \stdClass());
-        $request->attributes->set('mandatory', 'mandatory');
+        $request->attributes->set('last', 'last');
         $controller = [new NullableController(), 'action'];
 
-        $this->assertEquals(['foo', new \stdClass(), 'value', 'mandatory'], self::$resolver->getArguments($request, $controller));
+        $this->assertEquals(['foo', new \stdClass(), 'value', 'last'], self::$resolver->getArguments($request, $controller));
     }
 
     public function testGetNullableArgumentsWithDefaults()
     {
         $request = Request::create('/');
-        $request->attributes->set('mandatory', 'mandatory');
+        $request->attributes->set('last', 'last');
         $controller = [new NullableController(), 'action'];
 
-        $this->assertEquals([null, null, 'value', 'mandatory'], self::$resolver->getArguments($request, $controller));
+        $this->assertEquals([null, null, 'value', 'last'], self::$resolver->getArguments($request, $controller));
     }
 
     public function testGetSessionArguments()

Tests/ControllerMetadata/ArgumentMetadataFactoryTest.php

@@ -80,7 +80,7 @@ public function testSignature5()
 
         $this->assertEquals([
             new ArgumentMetadata('foo', 'array', false, true, null, true),
-            new ArgumentMetadata('bar', null, false, false, null),
+            new ArgumentMetadata('bar', null, false, true, null, true),
         ], $arguments);
     }
 
@@ -113,7 +113,7 @@ public function testNullableTypesSignature()
             new ArgumentMetadata('foo', 'string', false, false, null, true),
             new ArgumentMetadata('bar', \stdClass::class, false, false, null, true),
             new ArgumentMetadata('baz', 'string', false, true, 'value', true),
-            new ArgumentMetadata('mandatory', null, false, false, null, true),
+            new ArgumentMetadata('last', 'string', false, true, '', false),
         ], $arguments);
     }
 
@@ -133,7 +133,7 @@ private function signature4($foo = 'default', $bar = 500, $baz = [])
     {
     }
 
-    private function signature5(array $foo = null, $bar)
+    private function signature5(array $foo = null, $bar = null)
     {
     }
 }

Tests/Fixtures/Controller/NullableController.php

@@ -13,7 +13,7 @@
 
 class NullableController
 {
-    public function action(?string $foo, ?\stdClass $bar, ?string $baz = 'value', $mandatory)
+    public function action(?string $foo, ?\stdClass $bar, ?string $baz = 'value', string $last = '')
     {
     }
 }

Tests/KernelTest.php

@@ -527,6 +527,27 @@ public function testKernelStartTimeIsResetWhileBootingAlreadyBootedKernel()
         $this->assertGreaterThan($preReBoot, $kernel->getStartTime());
     }
 
+    public function testAnonymousKernelGeneratesValidContainerClass(): void
+    {
+        $kernel = new class('test', true) extends Kernel {
+            public function registerBundles(): iterable
+            {
+                return [];
+            }
+
+            public function registerContainerConfiguration(LoaderInterface $loader): void
+            {
+            }
+
+            public function getContainerClass(): string
+            {
+                return parent::getContainerClass();
+            }
+        };
+
+        $this->assertRegExp('/^[a-zA-Z_\x80-\xff][a-zA-Z0-9_\x80-\xff]*TestDebugContainer$/', $kernel->getContainerClass());
+    }
+
     /**
      * Returns a mock for the BundleInterface.
      */

composer.json

@@ -22,6 +22,7 @@
         "symfony/http-foundation": "^4.4|^5.0",
         "symfony/polyfill-ctype": "^1.8",
         "symfony/polyfill-php73": "^1.9",
+        "symfony/polyfill-php80": "^1.15",
         "psr/log": "~1.0"
     },
     "require-dev": {