Declare nullable parameter types explicitly for PHP 8.4 compatibility (#70)

Author: W0rma

src/Codeception/Constraint/Crawler.php

@@ -42,7 +42,7 @@ protected function matches($nodes): bool
      * @param string $selector
      * @param ComparisonFailure|null $comparisonFailure
      */
-    protected function fail($nodes, $selector, ComparisonFailure $comparisonFailure = null): never
+    protected function fail($nodes, $selector, ?ComparisonFailure $comparisonFailure = null): never
     {
         if (!$nodes->count()) {
             throw new ElementNotFound($selector, 'Element located either by name, CSS or XPath');
@@ -77,7 +77,7 @@ protected function failureDescription($other): string
         return $description;
     }
 
-    protected function nodesList(SymfonyDomCrawler $domCrawler, string $contains = null): string
+    protected function nodesList(SymfonyDomCrawler $domCrawler, ?string $contains = null): string
     {
         $output = '';
         foreach ($domCrawler as $node) {

src/Codeception/Constraint/CrawlerNot.php

@@ -24,7 +24,7 @@ protected function matches($nodes): bool
      * @param string $selector
      * @param ComparisonFailure|null $comparisonFailure
      */
-    protected function fail($nodes, $selector, ComparisonFailure $comparisonFailure = null): never
+    protected function fail($nodes, $selector, ?ComparisonFailure $comparisonFailure = null): never
     {
         if (!$this->string) {
             throw new ExpectationFailedException(

src/Codeception/Lib/InnerBrowser.php

@@ -156,7 +156,7 @@ public function _request(
         array $parameters = [],
         array $files = [],
         array $server = [],
-        string $content = null
+        ?string $content = null
     ): ?string {
         $this->clientRequest($method, $uri, $parameters, $files, $server, $content);
         return $this->_getResponseContent();
@@ -189,7 +189,7 @@ protected function clientRequest(
         array $parameters = [],
         array $files = [],
         array $server = [],
-        string $content = null,
+        ?string $content = null,
         bool $changeHistory = true
     ): SymfonyCrawler {
         $this->debugSection("Request Headers", $this->headers);
@@ -280,7 +280,7 @@ public function _loadPage(
         array $parameters = [],
         array $files = [],
         array $server = [],
-        string $content = null
+        ?string $content = null
     ): void {
         $this->crawler = $this->clientRequest($method, $uri, $parameters, $files, $server, $content);
         $this->baseUrl = $this->retrieveBaseUrl();
@@ -562,7 +562,7 @@ public function dontSeeInSource(string $raw): void
         $this->assertPageSourceNotContains($raw);
     }
 
-    public function seeLink(string $text, string $url = null): void
+    public function seeLink(string $text, ?string $url = null): void
     {
         $crawler = $this->getCrawler()->selectLink($text);
         if ($crawler->count() === 0) {
@@ -633,7 +633,7 @@ public function dontSeeCurrentUrlMatches(string $uri): void
         $this->assertNotRegExp($uri, $this->_getCurrentUri());
     }
 
-    public function grabFromCurrentUrl(string $uri = null): mixed
+    public function grabFromCurrentUrl(?string $uri = null): mixed
     {
         if (!$uri) {
             return $this->_getCurrentUri();
@@ -892,7 +892,7 @@ protected function setCheckboxBoolValues(Crawler $form, array $params): array
      *        form
      * @param string|null $button the name of a submit button in the form
      */
-    protected function proceedSubmitForm(Crawler $frmCrawl, array $params, string $button = null): void
+    protected function proceedSubmitForm(Crawler $frmCrawl, array $params, ?string $button = null): void
     {
         $url = null;
         $form = $this->getFormFor($frmCrawl);
@@ -939,7 +939,7 @@ protected function proceedSubmitForm(Crawler $frmCrawl, array $params, string $b
         $this->forms = [];
     }
 
-    public function submitForm($selector, array $params, string $button = null): void
+    public function submitForm($selector, array $params, ?string $button = null): void
     {
         $form = $this->match($selector)->first();
         if (count($form) === 0) {
@@ -1374,7 +1374,7 @@ protected function debugResponse($url): void
         $this->debugSection('Response Headers', $this->getRunningClient()->getInternalResponse()->getHeaders());
     }
 
-    public function makeHtmlSnapshot(string $name = null): void
+    public function makeHtmlSnapshot(?string $name = null): void
     {
         if (empty($name)) {
             $name = uniqid(date("Y-m-d_H-i-s_"), true);
@@ -1487,7 +1487,7 @@ public function grabAttributeFrom($cssOrXpath, string $attribute): mixed
         return $nodes->first()->attr($attribute);
     }
 
-    public function grabMultiple($cssOrXpath, string $attribute = null): array
+    public function grabMultiple($cssOrXpath, ?string $attribute = null): array
     {
         $result = [];
         $nodes = $this->match($cssOrXpath);