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typo3/sysext/adminpanel/Classes/Modules/DebugModule.php

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+<?php
+declare(strict_types = 1);
+
+namespace TYPO3\CMS\Adminpanel\Modules;
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+use TYPO3\CMS\Adminpanel\Log\InMemoryLogWriter;
+use TYPO3\CMS\Adminpanel\ModuleApi\AbstractModule;
+use TYPO3\CMS\Adminpanel\ModuleApi\ShortInfoProviderInterface;
+use TYPO3\CMS\Core\Log\LogRecord;
+
+/**
+ * Debug Module of the AdminPanel
+ */
+class DebugModule extends AbstractModule implements ShortInfoProviderInterface
+{
+
+    /**
+     * @inheritdoc
+     */
+    public function getIdentifier(): string
+    {
+        return 'debug';
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getIconIdentifier(): string
+    {
+        return 'actions-debug';
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getLabel(): string
+    {
+        return $this->getLanguageService()->sL(
+            'LLL:EXT:adminpanel/Resources/Private/Language/locallang_debug.xlf:module.label'
+        );
+    }
+
+    public function getShortInfo(): string
+    {
+        $errorsAndWarnings = array_filter(InMemoryLogWriter::$log, function (LogRecord $entry) {
+            return $entry->getLevel() <= 4;
+        });
+        return sprintf($this->getLanguageService()->sL(
+            'LLL:EXT:adminpanel/Resources/Private/Language/locallang_debug.xlf:module.shortinfo'
+        ), count($errorsAndWarnings));
+    }
+}