Next major version 2 with PHP 8.1, Symfony 6, Tabler UI, 2FA ... (#2902)

src/Utils/ParsedownExtension.php

@@ -12,9 +12,10 @@ namespace App\Utils;
 /**
  * This Class extends the default Parsedown Class for custom methods.
  */
-class ParsedownExtension extends \Parsedown
+final class ParsedownExtension extends \Parsedown
 {
-    private $ids = [];
+    /** @var array<string> */
+    private array $ids = [];
 
     /**
      * Overwritten to prevent # to show up as headings for two reasons:
@@ -71,16 +72,16 @@ class ParsedownExtension extends \Parsedown
      * - added support for file:///
      * - open links in new windows
      */
-    protected function inlineUrl($Excerpt)
+    protected function inlineUrl($Excerpt): ?array
     {
         if ($this->urlsLinked !== true or !isset($Excerpt['text'][2]) or $Excerpt['text'][2] !== '/') {
-            return;
+            return null;
         }
 
         if (preg_match('/\b(https?:[\/]{2}|file:[\/]{3})[^\s<]+\b\/*/ui', $Excerpt['context'], $matches, PREG_OFFSET_CAPTURE)) {
             $url = $matches[0][0];
 
-            $Inline = [
+            return [
                 'extent' => \strlen($matches[0][0]),
                 'position' => $matches[0][1],
                 'element' => [
@@ -92,14 +93,14 @@ class ParsedownExtension extends \Parsedown
                     ],
                 ],
             ];
-
-            return $Inline;
         }
+
+        return null;
     }
 
-    protected function blockHeader($line)
+    protected function blockHeader($Line)
     {
-        $block = parent::blockHeader($line);
+        $block = parent::blockHeader($Line);
 
         $text = $block['element']['text'];
         $id = $this->getIDfromText($text);
@@ -151,8 +152,8 @@ class ParsedownExtension extends \Parsedown
     {
         $Block = parent::blockTable($Line, $Block);
 
-        if (\is_null($Block)) {
-            return;
+        if ($Block === null) {
+            return null;
         }
 
         $Block['element']['attributes']['class'] = 'table';