Apply php-cs-fixer fix --rules nullable_type_declaration_for_default_…

…null_value

AbstractUriElement.php

@@ -40,7 +40,7 @@ abstract class AbstractUriElement
      *
      * @throws \InvalidArgumentException if the node is not a link
      */
-    public function __construct(\DOMElement $node, string $currentUri = null, ?string $method = 'GET')
+    public function __construct(\DOMElement $node, ?string $currentUri = null, ?string $method = 'GET')
     {
         $this->setNode($node);
         $this->method = $method ? strtoupper($method) : null;

Crawler.php

@@ -81,7 +81,7 @@ class Crawler implements \Countable, \IteratorAggregate
     /**
      * @param \DOMNodeList|\DOMNode|\DOMNode[]|string|null $node A Node to use as the base for the crawling
      */
-    public function __construct($node = null, string $uri = null, string $baseHref = null)
+    public function __construct($node = null, ?string $uri = null, ?string $baseHref = null)
     {
         $this->uri = $uri;
         $this->baseHref = $baseHref ?: $uri;
@@ -153,7 +153,7 @@ public function add($node)
      * or ISO-8859-1 as a fallback, which is the default charset defined by the
      * HTTP 1.1 specification.
      */
-    public function addContent(string $content, string $type = null)
+    public function addContent(string $content, ?string $type = null)
     {
         if (empty($type)) {
             $type = str_starts_with($content, '<?xml') ? 'application/xml' : 'text/html';
@@ -366,7 +366,7 @@ public function each(\Closure $closure)
      *
      * @return static
      */
-    public function slice(int $offset = 0, int $length = null)
+    public function slice(int $offset = 0, ?int $length = null)
     {
         return $this->createSubCrawler(\array_slice($this->nodes, $offset, $length));
     }
@@ -546,7 +546,7 @@ public function ancestors()
      * @throws \InvalidArgumentException When current node is empty
      * @throws \RuntimeException         If the CssSelector Component is not available and $selector is provided
      */
-    public function children(string $selector = null)
+    public function children(?string $selector = null)
     {
         if (!$this->nodes) {
             throw new \InvalidArgumentException('The current node list is empty.');
@@ -610,7 +610,7 @@ public function nodeName()
      *
      * @throws \InvalidArgumentException When current node is empty
      */
-    public function text(string $default = null, bool $normalizeWhitespace = true)
+    public function text(?string $default = null, bool $normalizeWhitespace = true)
     {
         if (!$this->nodes) {
             if (null !== $default) {
@@ -646,7 +646,7 @@ public function innerText(): string
      *
      * @throws \InvalidArgumentException When current node is empty
      */
-    public function html(string $default = null)
+    public function html(?string $default = null)
     {
         if (!$this->nodes) {
             if (null !== $default) {
@@ -915,7 +915,7 @@ public function images()
      *
      * @throws \InvalidArgumentException If the current node list is empty or the selected node is not instance of DOMElement
      */
-    public function form(array $values = null, string $method = null)
+    public function form(?array $values = null, ?string $method = null)
     {
         if (!$this->nodes) {
             throw new \InvalidArgumentException('The current node list is empty.');

Form.php

@@ -44,7 +44,7 @@ class Form extends Link implements \ArrayAccess
      *
      * @throws \LogicException if the node is not a button inside a form tag
      */
-    public function __construct(\DOMElement $node, string $currentUri = null, string $method = null, string $baseHref = null)
+    public function __construct(\DOMElement $node, ?string $currentUri = null, ?string $method = null, ?string $baseHref = null)
     {
         parent::__construct($node, $currentUri, $method);
         $this->baseHref = $baseHref;

Image.php

@@ -16,7 +16,7 @@
  */
 class Image extends AbstractUriElement
 {
-    public function __construct(\DOMElement $node, string $currentUri = null)
+    public function __construct(\DOMElement $node, ?string $currentUri = null)
     {
         parent::__construct($node, $currentUri, 'GET');
     }

Tests/AbstractCrawlerTestCase.php

@@ -24,7 +24,7 @@ abstract class AbstractCrawlerTestCase extends TestCase
 
     abstract public static function getDoctype(): string;
 
-    protected function createCrawler($node = null, string $uri = null, string $baseHref = null)
+    protected function createCrawler($node = null, ?string $uri = null, ?string $baseHref = null)
     {
         return new Crawler($node, $uri, $baseHref);
     }