Apply php-cs-fixer fix --rules nullable_type_declaration_for_default_null_value

Author: nicolas-grekas

Application.php

@@ -134,7 +134,7 @@ public function setSignalsToDispatchEvent(int ...$signalsToDispatchEvent)
      *
      * @throws \Exception When running fails. Bypass this when {@link setCatchExceptions()}.
      */
-    public function run(InputInterface $input = null, OutputInterface $output = null)
+    public function run(?InputInterface $input = null, ?OutputInterface $output = null)
     {
         if (\function_exists('putenv')) {
             @putenv('LINES='.$this->terminal->getHeight());
@@ -778,7 +778,7 @@ public function find(string $name)
      *
      * @return Command[]
      */
-    public function all(string $namespace = null)
+    public function all(?string $namespace = null)
     {
         $this->init();
 
@@ -1147,7 +1147,7 @@ private function getAbbreviationSuggestions(array $abbrevs): string
      *
      * @return string
      */
-    public function extractNamespace(string $name, int $limit = null)
+    public function extractNamespace(string $name, ?int $limit = null)
     {
         $parts = explode(':', $name, -1);
 

CI/GithubActionReporter.php

@@ -57,7 +57,7 @@ public static function isGithubActionEnvironment(): bool
      *
      * @see https://docs.github.com/en/free-pro-team@latest/actions/reference/workflow-commands-for-github-actions#setting-an-error-message
      */
-    public function error(string $message, string $file = null, int $line = null, int $col = null): void
+    public function error(string $message, ?string $file = null, ?int $line = null, ?int $col = null): void
     {
         $this->log('error', $message, $file, $line, $col);
     }
@@ -67,7 +67,7 @@ public function error(string $message, string $file = null, int $line = null, in
      *
      * @see https://docs.github.com/en/free-pro-team@latest/actions/reference/workflow-commands-for-github-actions#setting-a-warning-message
      */
-    public function warning(string $message, string $file = null, int $line = null, int $col = null): void
+    public function warning(string $message, ?string $file = null, ?int $line = null, ?int $col = null): void
     {
         $this->log('warning', $message, $file, $line, $col);
     }
@@ -77,12 +77,12 @@ public function warning(string $message, string $file = null, int $line = null,
      *
      * @see https://docs.github.com/en/free-pro-team@latest/actions/reference/workflow-commands-for-github-actions#setting-a-debug-message
      */
-    public function debug(string $message, string $file = null, int $line = null, int $col = null): void
+    public function debug(string $message, ?string $file = null, ?int $line = null, ?int $col = null): void
     {
         $this->log('debug', $message, $file, $line, $col);
     }
 
-    private function log(string $type, string $message, string $file = null, int $line = null, int $col = null): void
+    private function log(string $type, string $message, ?string $file = null, ?int $line = null, ?int $col = null): void
     {
         // Some values must be encoded.
         $message = strtr($message, self::ESCAPED_DATA);

Command/Command.php

@@ -96,7 +96,7 @@ public static function getDefaultDescription(): ?string
      *
      * @throws LogicException When the command name is empty
      */
-    public function __construct(string $name = null)
+    public function __construct(?string $name = null)
     {
         $this->definition = new InputDefinition();
 
@@ -132,7 +132,7 @@ public function ignoreValidationErrors()
         $this->ignoreValidationErrors = true;
     }
 
-    public function setApplication(Application $application = null)
+    public function setApplication(?Application $application = null)
     {
         $this->application = $application;
         if ($application) {
@@ -433,7 +433,7 @@ public function getNativeDefinition()
      *
      * @throws InvalidArgumentException When argument mode is not valid
      */
-    public function addArgument(string $name, int $mode = null, string $description = '', $default = null)
+    public function addArgument(string $name, ?int $mode = null, string $description = '', $default = null)
     {
         $this->definition->addArgument(new InputArgument($name, $mode, $description, $default));
         if (null !== $this->fullDefinition) {
@@ -454,7 +454,7 @@ public function addArgument(string $name, int $mode = null, string $description
      *
      * @throws InvalidArgumentException If option mode is invalid or incompatible
      */
-    public function addOption(string $name, $shortcut = null, int $mode = null, string $description = '', $default = null)
+    public function addOption(string $name, $shortcut = null, ?int $mode = null, string $description = '', $default = null)
     {
         $this->definition->addOption(new InputOption($name, $shortcut, $mode, $description, $default));
         if (null !== $this->fullDefinition) {

Command/LazyCommand.php

@@ -43,7 +43,7 @@ public function ignoreValidationErrors(): void
         $this->getCommand()->ignoreValidationErrors();
     }
 
-    public function setApplication(Application $application = null): void
+    public function setApplication(?Application $application = null): void
     {
         if ($this->command instanceof parent) {
             $this->command->setApplication($application);
@@ -117,7 +117,7 @@ public function getNativeDefinition(): InputDefinition
     /**
      * @return $this
      */
-    public function addArgument(string $name, int $mode = null, string $description = '', $default = null): self
+    public function addArgument(string $name, ?int $mode = null, string $description = '', $default = null): self
     {
         $this->getCommand()->addArgument($name, $mode, $description, $default);
 
@@ -127,7 +127,7 @@ public function addArgument(string $name, int $mode = null, string $description
     /**
      * @return $this
      */
-    public function addOption(string $name, $shortcut = null, int $mode = null, string $description = '', $default = null): self
+    public function addOption(string $name, $shortcut = null, ?int $mode = null, string $description = '', $default = null): self
     {
         $this->getCommand()->addOption($name, $shortcut, $mode, $description, $default);
 

Command/LockableTrait.php

@@ -30,7 +30,7 @@ trait LockableTrait
     /**
      * Locks a command.
      */
-    private function lock(string $name = null, bool $blocking = false): bool
+    private function lock(?string $name = null, bool $blocking = false): bool
     {
         if (!class_exists(SemaphoreStore::class)) {
             throw new LogicException('To enable the locking feature you must install the symfony/lock component.');

Descriptor/ApplicationDescription.php

@@ -43,7 +43,7 @@ class ApplicationDescription
      */
     private $aliases;
 
-    public function __construct(Application $application, string $namespace = null, bool $showHidden = false)
+    public function __construct(Application $application, ?string $namespace = null, bool $showHidden = false)
     {
         $this->application = $application;
         $this->namespace = $namespace;

Descriptor/XmlDescriptor.php

@@ -79,7 +79,7 @@ public function getCommandDocument(Command $command, bool $short = false): \DOMD
         return $dom;
     }
 
-    public function getApplicationDocument(Application $application, string $namespace = null, bool $short = false): \DOMDocument
+    public function getApplicationDocument(Application $application, ?string $namespace = null, bool $short = false): \DOMDocument
     {
         $dom = new \DOMDocument('1.0', 'UTF-8');
         $dom->appendChild($rootXml = $dom->createElement('symfony'));

Event/ConsoleErrorEvent.php

@@ -25,7 +25,7 @@ final class ConsoleErrorEvent extends ConsoleEvent
     private $error;
     private $exitCode;
 
-    public function __construct(InputInterface $input, OutputInterface $output, \Throwable $error, Command $command = null)
+    public function __construct(InputInterface $input, OutputInterface $output, \Throwable $error, ?Command $command = null)
     {
         parent::__construct($command, $input, $output);
 

EventListener/ErrorListener.php

@@ -26,7 +26,7 @@ class ErrorListener implements EventSubscriberInterface
 {
     private $logger;
 
-    public function __construct(LoggerInterface $logger = null)
+    public function __construct(?LoggerInterface $logger = null)
     {
         $this->logger = $logger;
     }

Exception/CommandNotFoundException.php

@@ -26,7 +26,7 @@ class CommandNotFoundException extends \InvalidArgumentException implements Exce
      * @param int             $code         Exception code
      * @param \Throwable|null $previous     Previous exception used for the exception chaining
      */
-    public function __construct(string $message, array $alternatives = [], int $code = 0, \Throwable $previous = null)
+    public function __construct(string $message, array $alternatives = [], int $code = 0, ?\Throwable $previous = null)
     {
         parent::__construct($message, $code, $previous);