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);
  }
 
-privatefunctioncheckClass(string$class, string$file = null): void
+privatefunctioncheckClass(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;
  }
 
-privatefunctionsetReturnType(string$types, string$class, string$method, string$filename, ?string$parent, \ReflectionType$returnType = null): void
+privatefunctionsetReturnType(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 $error An array as returned by error_get_last()
  */
-publicfunction__construct(string$message, int$code, array$error, int$traceOffset = null, bool$traceArgs = true, array$trace = null)
+publicfunction__construct(string$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.
  */
-publicstaticfunctionregister(self$handler = null, bool$replace = true): self
+publicstaticfunctionregister(?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)
  }
  }
 
-publicfunction__construct(BufferingLogger$bootstrappingLogger = null, bool$debug = false)
+publicfunction__construct(?BufferingLogger$bootstrappingLogger = null, bool$debug = false)
  {
 if ($bootstrappingLogger) {
 $this->bootstrappingLogger = $bootstrappingLogger;
@@ -633,7 +633,7 @@ public function handleException(\Throwable $exception)
  *
  * @internal
  */
-publicstaticfunctionhandleFatalError(array$error = null): void
+publicstaticfunctionhandleFatalError(?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 $outputBuffer The output buffer as a string or a callable that should return it
  */
-publicfunction__construct($debug = false, string$charset = null, $fileLinkFormat = null, string$projectDir = null, $outputBuffer = '', LoggerInterface$logger = null)
+publicfunction__construct($debug = false, ?string$charset = null, $fileLinkFormat = null, ?string$projectDir = null, $outputBuffer = '', ?LoggerInterface$logger = null)
  {
 if (!\is_bool($debug) && !\is_callable($debug)) {
 thrownew \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 $text Use this text for the link rather than the file path
  */
-privatefunctionformatFile(string$file, int$line, string$text = null): string
+privatefunctionformatFile(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 $debug The debugging mode as a boolean or a callable that should return it
  */
-publicfunction__construct(SerializerInterface$serializer, $format, ErrorRendererInterface$fallbackErrorRenderer = null, $debug = false)
+publicfunction__construct(SerializerInterface$serializer, $format, ?ErrorRendererInterface$fallbackErrorRenderer = null, $debug = false)
  {
 if (!\is_string($format) && !\is_callable($format)) {
 thrownew \TypeError(sprintf('Argument 2 passed to "%s()" must be a string or a callable, "%s" given.', __METHOD__, \gettype($format)));

Exception/FlattenException.php

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