Apply php-cs-fixer fix --rules nullable_type_declaration_for_default_null_value

Author: nicolas-grekas

DebugClassLoader.php

@@ -301,7 +301,7 @@ public function loadClass(string $class): void
         $this->checkClass($class, $file);
     }
 
-    private function checkClass(string $class, string $file = null): void
+    private function checkClass(string $class, ?string $file = null): void
     {
         $exists = null === $file || class_exists($class, false) || interface_exists($class, false) || trait_exists($class, false);
 
@@ -763,7 +763,7 @@ private function getOwnInterfaces(string $class, ?string $parent): array
         return $ownInterfaces;
     }
 
-    private function setReturnType(string $types, string $class, string $method, string $filename, ?string $parent, \ReflectionType $returnType = null): void
+    private function setReturnType(string $types, string $class, string $method, string $filename, ?string $parent, ?\ReflectionType $returnType = null): void
     {
         if ('__construct' === $method) {
             return;

Error/FatalError.php

@@ -20,7 +20,7 @@ class FatalError extends \Error
      *
      * @param array $error An array as returned by error_get_last()
      */
-    public function __construct(string $message, int $code, array $error, int $traceOffset = null, bool $traceArgs = true, array $trace = null)
+    public function __construct(string $message, int $code, array $error, ?int $traceOffset = null, bool $traceArgs = true, ?array $trace = null)
     {
         parent::__construct($message, $code);
 

ErrorHandler.php

@@ -108,7 +108,7 @@ class ErrorHandler
     /**
      * Registers the error handler.
      */
-    public static function register(self $handler = null, bool $replace = true): self
+    public static function register(?self $handler = null, bool $replace = true): self
     {
         if (null === self::$reservedMemory) {
             self::$reservedMemory = str_repeat('x', 32768);
@@ -181,7 +181,7 @@ public static function call(callable $function, ...$arguments)
         }
     }
 
-    public function __construct(BufferingLogger $bootstrappingLogger = null, bool $debug = false)
+    public function __construct(?BufferingLogger $bootstrappingLogger = null, bool $debug = false)
     {
         if ($bootstrappingLogger) {
             $this->bootstrappingLogger = $bootstrappingLogger;
@@ -633,7 +633,7 @@ public function handleException(\Throwable $exception)
      *
      * @internal
      */
-    public static function handleFatalError(array $error = null): void
+    public static function handleFatalError(?array $error = null): void
     {
         if (null === self::$reservedMemory) {
             return;

ErrorRenderer/HtmlErrorRenderer.php

@@ -47,7 +47,7 @@ class HtmlErrorRenderer implements ErrorRendererInterface
      * @param string|FileLinkFormatter|null $fileLinkFormat
      * @param bool|callable                 $outputBuffer   The output buffer as a string or a callable that should return it
      */
-    public function __construct($debug = false, string $charset = null, $fileLinkFormat = null, string $projectDir = null, $outputBuffer = '', LoggerInterface $logger = null)
+    public function __construct($debug = false, ?string $charset = null, $fileLinkFormat = null, ?string $projectDir = null, $outputBuffer = '', ?LoggerInterface $logger = null)
     {
         if (!\is_bool($debug) && !\is_callable($debug)) {
             throw new \TypeError(sprintf('Argument 1 passed to "%s()" must be a boolean or a callable, "%s" given.', __METHOD__, \gettype($debug)));
@@ -235,7 +235,7 @@ private function getFileLink(string $file, int $line)
      * @param int    $line The line number
      * @param string $text Use this text for the link rather than the file path
      */
-    private function formatFile(string $file, int $line, string $text = null): string
+    private function formatFile(string $file, int $line, ?string $text = null): string
     {
         $file = trim($file);
 

ErrorRenderer/SerializerErrorRenderer.php

@@ -34,7 +34,7 @@ class SerializerErrorRenderer implements ErrorRendererInterface
      *                                                  formats not supported by Request::getMimeTypes() should be given as mime types
      * @param bool|callable                     $debug  The debugging mode as a boolean or a callable that should return it
      */
-    public function __construct(SerializerInterface $serializer, $format, ErrorRendererInterface $fallbackErrorRenderer = null, $debug = false)
+    public function __construct(SerializerInterface $serializer, $format, ?ErrorRendererInterface $fallbackErrorRenderer = null, $debug = false)
     {
         if (!\is_string($format) && !\is_callable($format)) {
             throw new \TypeError(sprintf('Argument 2 passed to "%s()" must be a string or a callable, "%s" given.', __METHOD__, \gettype($format)));

Exception/FlattenException.php

@@ -63,15 +63,15 @@ class FlattenException
     /**
      * @return static
      */
-    public static function create(\Exception $exception, int $statusCode = null, array $headers = []): self
+    public static function create(\Exception $exception, ?int $statusCode = null, array $headers = []): self
     {
         return static::createFromThrowable($exception, $statusCode, $headers);
     }
 
     /**
      * @return static
      */
-    public static function createFromThrowable(\Throwable $exception, int $statusCode = null, array $headers = []): self
+    public static function createFromThrowable(\Throwable $exception, ?int $statusCode = null, array $headers = []): self
     {
         $e = new static();
         $e->setMessage($exception->getMessage());