[TASK] Modernize cObject "USER" example

Documentation/ContentObjects/UserAndUserInt/_ExampleListRecords.php

@@ -5,15 +5,24 @@
 namespace MyVendor\SitePackage\UserFunctions;
 
 use Psr\Http\Message\ServerRequestInterface;
+use Symfony\Component\DependencyInjection\Attribute\Autoconfigure;
 use TYPO3\CMS\Core\Database\ConnectionPool;
-use TYPO3\CMS\Core\Utility\GeneralUtility;
 use TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer;
 
 /**
  * Example of a method in a PHP class to be called from TypoScript
+ *
+ * The class is defined as public as we use dependency injection in
+ * this example. If you do not need dependency injection, the
+ * "Autoconfigure" attribute should be omitted!
  */
+#[Autoconfigure(public: true)]
 final class ExampleListRecords
 {
+    public function __construct(
+        private readonly ConnectionPool $connectionPool,
+    ) {}
+
     /**
      * Reference to the parent (calling) cObject set from TypoScript
      */
@@ -33,18 +42,18 @@ public function setContentObjectRenderer(ContentObjectRenderer $cObj): void
      */
     public function listContentRecordsOnPage(string $content, array $conf, ServerRequestInterface $request): string
     {
-        $connection = GeneralUtility::makeInstance(ConnectionPool::class)->getConnectionForTable('tt_content');
+        $connection = $this->connectionPool->getConnectionForTable('tt_content');
         $result = $connection->select(
             ['header'],
             'tt_content',
-            ['pid' => (int)$GLOBALS['TSFE']->id],
+            ['pid' => $request->getAttribute('frontend.page.information')->getId()],
             [],
             ['sorting' => $conf['reverseOrder'] ? 'DESC' : 'ASC'],
         );
         $output = [];
         foreach ($result as $row) {
             $output[] = $row['header'];
         }
-        return implode('<br />', $output);
+        return implode('<br>', $output);
     }
 }