explicitly mark nullable parameters as nullable

src/Monolog/Handler/FilterHandler.php

@@ -161,7 +161,7 @@ public function handleBatch(array $records): void
  *
  * @phpstan-param Record $record
  */
- public function getHandler(array $record = null)
+ public function getHandler(?array $record = null)
  {
  if (!$this->handler instanceof HandlerInterface) {
  $this->handler = ($this->handler)($record, $this);

src/Monolog/Handler/FingersCrossedHandler.php

@@ -210,7 +210,7 @@ private function flushBuffer(): void
  *
  * @phpstan-param Record $record
  */
- public function getHandler(array $record = null)
+ public function getHandler(?array $record = null)
  {
  if (!$this->handler instanceof HandlerInterface) {
  $this->handler = ($this->handler)($record, $this);

src/Monolog/Handler/SamplingHandler.php

@@ -90,7 +90,7 @@ public function handle(array $record): bool
  *
  * @return HandlerInterface
  */
- public function getHandler(array $record = null)
+ public function getHandler(?array $record = null)
  {
  if (!$this->handler instanceof HandlerInterface) {
  $this->handler = ($this->handler)($record, $this);

src/Monolog/Handler/Slack/SlackRecord.php

@@ -100,7 +100,7 @@ public function __construct(
  bool $useShortAttachment = false,
  bool $includeContextAndExtra = false,
  array $excludeFields = array(),
- FormatterInterface $formatter = null
+ ?FormatterInterface $formatter = null
  ) {
  $this
  ->setChannel($channel)

src/Monolog/Handler/TelegramBotHandler.php

@@ -108,9 +108,9 @@ public function __construct(
  string $channel,
  $level = Logger::DEBUG,
  bool $bubble = true,
- string $parseMode = null,
- bool $disableWebPagePreview = null,
- bool $disableNotification = null,
+ ?string $parseMode = null,
+ ?bool $disableWebPagePreview = null,
+ ?bool $disableNotification = null,
  bool $splitLongMessages = false,
  bool $delayBetweenMessages = false
  )
@@ -130,7 +130,7 @@ public function __construct(
  $this->delayBetweenMessages($delayBetweenMessages);
  }
 
- public function setParseMode(string $parseMode = null): self
+ public function setParseMode(?string $parseMode = null): self
  {
  if ($parseMode !== null && !in_array($parseMode, self::AVAILABLE_PARSE_MODES)) {
  throw new \InvalidArgumentException('Unknown parseMode, use one of these: ' . implode(', ', self::AVAILABLE_PARSE_MODES) . '.');
@@ -141,14 +141,14 @@ public function setParseMode(string $parseMode = null): self
  return $this;
  }
 
- public function disableWebPagePreview(bool $disableWebPagePreview = null): self
+ public function disableWebPagePreview(?bool $disableWebPagePreview = null): self
  {
  $this->disableWebPagePreview = $disableWebPagePreview;
 
  return $this;
  }
 
- public function disableNotification(bool $disableNotification = null): self
+ public function disableNotification(?bool $disableNotification = null): self
  {
  $this->disableNotification = $disableNotification;
 

src/Monolog/Logger.php

@@ -337,7 +337,7 @@ public function useLoggingLoopDetection(bool $detectCycles): self
  *
  * @phpstan-param Level $level
  */
- public function addRecord(int $level, string $message, array $context = [], DateTimeImmutable $datetime = null): bool
+ public function addRecord(int $level, string $message, array $context = [], ?DateTimeImmutable $datetime = null): bool
  {
  if (isset(self::RFC_5424_LEVELS[$level])) {
  $level = self::RFC_5424_LEVELS[$level];

src/Monolog/Processor/WebProcessor.php

@@ -43,7 +43,7 @@ class WebProcessor implements ProcessorInterface
  * @param array<string, mixed>|\ArrayAccess<string, mixed>|null $serverData Array or object w/ ArrayAccess that provides access to the $_SERVER data
  * @param array<string, string>|array<string>|null $extraFields Field names and the related key inside $serverData to be added (or just a list of field names to use the default configured $serverData mapping). If not provided it defaults to: [url, ip, http_method, server, referrer] + unique_id if present in server data
  */
- public function __construct($serverData = null, array $extraFields = null)
+ public function __construct($serverData = null, ?array $extraFields = null)
  {
  if (null === $serverData) {
  $this->serverData = &$_SERVER;