Misc. fixes and minor improvements

src/CI/MissingFilesChecker.php

@@ -12,7 +12,6 @@
 namespace SymfonyDocsBuilder\CI;
 
 use Symfony\Component\Filesystem\Filesystem;
-use Symfony\Component\Finder\Finder;
 use SymfonyDocsBuilder\BuildContext;
 
 class MissingFilesChecker
@@ -38,10 +37,10 @@ public function getMissingFiles(): array
             $htmlFile = sprintf(
                 '%s/%s.html',
                 $this->buildContext->getOutputDir(),
-                substr($sourcePath, 0, \strlen($sourcePath) - 4)
+                substr($sourcePath, 0, -4)
             );
 
-            $firstLine = fgets(fopen($file->getRealPath(), 'r'));
+            $firstLine = fgets(fopen($file->getRealPath(), 'rb'));
             if (!$this->filesystem->exists($htmlFile) && ':orphan:' !== trim($firstLine)) {
                 $orphanedFiles[] = $htmlFile;
             }

src/Command/BuildDocsCommand.php

@@ -132,7 +132,7 @@ protected function initialize(InputInterface $input, OutputInterface $output)
         $configFileParser->processConfigFile($sourceDir);
     }
 
-    protected function execute(InputInterface $input, OutputInterface $output)
+    protected function execute(InputInterface $input, OutputInterface $output): int
     {
         $builder = new Builder(
             KernelFactory::createKernel($this->buildContext, $this->urlChecker ?? null)
@@ -182,7 +182,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
             $this->io->success('Build completed successfully!');
         }
 
-        return 0;
+        return Command::SUCCESS;
     }
 
     private function generateJson(Metas $metas)

src/Directive/AbstractAdmonitionDirective.php

@@ -34,7 +34,7 @@ final public function processSub(Parser $parser, ?Node $document, string $variab
             [
                 'name' => $this->name,
                 'text' => $this->text,
-                'class' => isset($options['class']) ? $options['class'] : null,
+                'class' => $options['class'] ?? null,
             ]
         );
 

src/Directive/AdmonitionDirective.php

@@ -24,7 +24,7 @@ public function processSub(Parser $parser, ?Node $document, string $variable, st
                 // had a class of 'admonition-"
                 'name' => '',
                 'text' => $data,
-                'class' => isset($options['class']) ? $options['class'] : null,
+                'class' => $options['class'] ?? null,
             ]
         );
 

src/Generator/HtmlForPdfGenerator.php

@@ -99,14 +99,14 @@ private function fixInternalUrls(string $fileContent, string $dir): string
     {
         return preg_replace_callback(
             '/href="([^"]+?)"/',
-            function ($matches) use ($dir) {
+            static function ($matches) use ($dir) {
                 if ('http' === substr($matches[1], 0, 4) || '#' === substr($matches[1], 0, 1)) {
                     return $matches[0];
                 }
 
                 $path = [];
                 foreach (explode('/', $dir.'/'.str_replace(['.html', '#'], ['', '-'], $matches[1])) as $part) {
-                    if ('..' == $part) {
+                    if ('..' === $part) {
                         array_pop($path);
                     } else {
                         $path[] = $part;
@@ -130,7 +130,7 @@ private function fixUniqueIdsAndAnchors(string $fileContent, string $uid): strin
     {
         return preg_replace_callback(
             '/id="([^"]+)"/',
-            function ($matches) use ($uid) {
+            static function ($matches) use ($uid) {
                 return sprintf('id="%s-%s"', $uid, $matches[1]);
             },
             $fileContent
@@ -145,7 +145,7 @@ private function cleanupContent($content)
         // convert links to footnote
         $content = preg_replace_callback(
             '#<a href="(.*?)" class="reference external"(?:[^>]*)>(.*?)</a>#',
-            function ($matches) {
+            static function ($matches): string {
                 if (0 === strpos($matches[2], 'http')) {
                     return sprintf('<em><a href="%s">%s</a></em>', $matches[2], $matches[2]);
                 }

src/Generator/JsonGenerator.php

@@ -117,7 +117,7 @@ private function guessNext(string $parserFilename): ?array
             ];
         }
 
-        list($toc, $indexCurrentFile) = $this->getNextPrevInformation($parserFilename);
+        [$toc, $indexCurrentFile] = $this->getNextPrevInformation($parserFilename);
 
         if (!isset($toc[$indexCurrentFile + 1])) {
             return null;
@@ -147,7 +147,7 @@ private function guessPrev(string $parserFilename): ?array
             return null;
         }
 
-        list($toc, $indexCurrentFile) = $this->getNextPrevInformation($parserFilename);
+        [$toc, $indexCurrentFile] = $this->getNextPrevInformation($parserFilename);
 
         // if current file is the first one of the chapter, prev is the direct parent
         if (0 === $indexCurrentFile) {

src/Listener/BuildProgressListener.php

@@ -67,7 +67,7 @@ public function preBuildParse(PreBuildParseEvent $event)
     public function postParseDocument(PostParseDocumentEvent $postParseDocumentEvent): void
     {
         $file = $postParseDocumentEvent->getDocumentNode()->getEnvironment()->getCurrentFileName();
-        if (!\in_array($file, $this->parsedFiles)) {
+        if (!\in_array($file, $this->parsedFiles, true)) {
             $this->parsedFiles[] = $file;
             $this->progressBar->advance();
         }

src/Reference/PhpMethodReference.php

@@ -29,8 +29,7 @@ public function getName(): string
 
     public function resolve(Environment $environment, string $data): ResolvedReference
     {
-        $class = explode('::', $data)[0];
-        $method = explode('::', $data)[1];
+        [$class, $method] = explode('::', $data, 2);
 
         return new ResolvedReference(
             $environment->getCurrentFileName(),

src/Renderers/CodeNodeRenderer.php

@@ -90,12 +90,12 @@ public static function isLanguageSupported(string $lang): bool
         $highlighter = new Highlighter();
         $supportedLanguages = array_merge(
             array_keys(self::LANGUAGES_MAPPING),
-            $highlighter->listLanguages(true),
+            $highlighter->listRegisteredLanguages(true),
             // not highlighted, but valid
             ['text']
         );
 
-        return \in_array($lang, $supportedLanguages);
+        return \in_array($lang, $supportedLanguages, true);
     }
 
     private function getLines(string $code): array

src/Twig/AssetsExtension.php

@@ -21,7 +21,7 @@ public function getFunctions(): array
         ];
     }
 
-    public function asset($path)
+    public function asset($path): string
     {
         return sprintf('assets/%s', $path);
     }