Merge branch '6.4' into 7.0

* 6.4:
  [Scheduler] Fix `PeriodicalTrigger` from argument for stateful run dates
  cs fix
  [Messenger] Fix passing options set via tags to handler descriptors
  random_bytes length should be an int greater than 0
  enforce UTC timezone in test
  [DependencyInjection] Fix autocasting null env values to empty string
  Fix executable bit
  Fix executable bit
  Readme: Replace Stack Overflow with GitHub Discussions
  [DoctrineBridge] Remove outdated comment
  [DependencyInjection] Fix annotation
  [DoctrineBridge] Improve subscriber deprecation message
  [SecurityBundle] Do not translate `Bearer` header’s `error_description`
  [Lock] add missing UPGRADE and CHANGELOG Lock mention #50689
  [String] Fix Inflector for 'status'
  [DependencyInjection] Fix resource tracking for lazy services
  [EventDispatcher] [EventDispatcher] Throw exception when listener method cannot be resolved
  [Serializer] Fix type error not be accessed before initialization

Author: nicolas-grekas

Container.php

@@ -372,7 +372,15 @@ protected function getEnv(string $name): mixed
             $prefix = 'string';
             $localName = $name;
         }
-        $processor = $processors->has($prefix) ? $processors->get($prefix) : new EnvVarProcessor($this);
+
+        if ($processors->has($prefix)) {
+            $processor = $processors->get($prefix);
+        } else {
+            $processor = new EnvVarProcessor($this);
+            if (false === $i) {
+                $prefix = '';
+            }
+        }
 
         $this->resolving[$envName] = true;
         try {

Dumper/PhpDumper.php

@@ -12,6 +12,7 @@
 namespace Symfony\Component\DependencyInjection\Dumper;
 
 use Composer\Autoload\ClassLoader;
+use Symfony\Component\Config\Resource\FileResource;
 use Symfony\Component\DependencyInjection\Argument\AbstractArgument;
 use Symfony\Component\DependencyInjection\Argument\ArgumentInterface;
 use Symfony\Component\DependencyInjection\Argument\IteratorArgument;
@@ -568,8 +569,19 @@ private function generateProxyClasses(): array
                 continue;
             }
             $alreadyGenerated[$asGhostObject][$class] = true;
-            // register class' reflector for resource tracking
-            $this->container->getReflectionClass($class);
+
+            $r = $this->container->getReflectionClass($class);
+            do {
+                $file = $r->getFileName();
+                if (str_ends_with($file, ') : eval()\'d code')) {
+                    $file = substr($file, 0, strrpos($file, '(', -17));
+                }
+                if (is_file($file)) {
+                    $this->container->addResource(new FileResource($file));
+                }
+                $r = $r->getParentClass() ?: null;
+            } while ($r?->isUserDefined());
+
             if ("\n" === $proxyCode = "\n".$proxyDumper->getProxyCode($definition, $id)) {
                 continue;
             }

EnvVarProcessor.php

@@ -152,6 +152,12 @@ public function getEnv(string $prefix, string $name, \Closure $getEnv): mixed
             }
         }
 
+        $returnNull = false;
+        if ('' === $prefix) {
+            $returnNull = true;
+            $prefix = 'string';
+        }
+
         if (false !== $i || 'string' !== $prefix) {
             $env = $getEnv($name);
         } elseif ('' === ($env = $_ENV[$name] ?? (str_starts_with($name, 'HTTP_') ? null : ($_SERVER[$name] ?? null)))
@@ -201,6 +207,10 @@ public function getEnv(string $prefix, string $name, \Closure $getEnv): mixed
         }
 
         if (null === $env) {
+            if ($returnNull) {
+                return null;
+            }
+
             if (!isset($this->getProvidedTypes()[$prefix])) {
                 throw new RuntimeException(sprintf('Unsupported env var prefix "%s".', $prefix));
             }

Tests/EnvVarProcessorTest.php

@@ -910,12 +910,13 @@ public static function provideGetEnvUrlPath()
 
     /**
      * @testWith    ["", "string"]
+     *              [null, ""]
      *              [false, "bool"]
      *              [true, "not"]
      *              [0, "int"]
      *              [0.0, "float"]
      */
-    public function testGetEnvCastsNull($expected, string $prefix)
+    public function testGetEnvCastsNullBehavior($expected, string $prefix)
     {
         $processor = new EnvVarProcessor(new Container());
 
@@ -926,6 +927,19 @@ public function testGetEnvCastsNull($expected, string $prefix)
         }));
     }
 
+    public function testGetEnvWithEmptyStringPrefixCastsToString()
+    {
+        $processor = new EnvVarProcessor(new Container());
+        unset($_ENV['FOO']);
+        $_ENV['FOO'] = 4;
+
+        try {
+            $this->assertSame('4', $processor->getEnv('', 'FOO', function () { $this->fail('Should not be called'); }));
+        } finally {
+            unset($_ENV['FOO']);
+        }
+    }
+
     /**
      * @dataProvider provideGetEnvDefined
      */