TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:31 +02:00
commit 3e43c11539
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+<?php
+
+declare(strict_types=1);
+
+/*
+ * 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!
+ */
+
+namespace TYPO3\CMS\Install\SystemEnvironment\DatabaseCheck\Driver;
+
+use TYPO3\CMS\Core\Messaging\FlashMessage;
+use TYPO3\CMS\Core\Messaging\FlashMessageQueue;
+use TYPO3\CMS\Core\Type\ContextualFeedbackSeverity;
+
+/**
+ * Check database configuration status for MySQLi driver
+ *
+ * This class is a hardcoded requirement check for the database driver.
+ *
+ * The status messages and title *must not* include HTML, use plain
+ * text only. The return values of this class are not bound to HTML
+ * and can be used in different scopes (eg. as json array).
+ *
+ * @internal This class is only meant to be used within EXT:install and is not part of the TYPO3 Core API.
+ */
+class Mysqli extends AbstractDriver
+{
+    /**
+     * Get all status information as array with status objects
+     */
+    public function getStatus(): FlashMessageQueue
+    {
+        $this->checkPhpExtensions('mysqli');
+        $this->checkMysqliReconnectSetting();
+
+        return $this->getMessageQueue();
+    }
+
+    /**
+     * Verify that mysqli.reconnect is set to 0 in order to avoid improper reconnects
+     */
+    public function checkMysqliReconnectSetting()
+    {
+        $currentMysqliReconnectSetting = ini_get('mysqli.reconnect');
+        if ($currentMysqliReconnectSetting === '1') {
+            $this->getMessageQueue()->enqueue(new FlashMessage(
+                'mysqli.reconnect=1' . LF
+                . 'PHP is configured to automatically reconnect the database connection on disconnection.' . LF
+                . ' Warning: If (e.g. during a long-running task) the connection is dropped and automatically reconnected, '
+                . ' it may not be reinitialized properly (e.g. charset) and write mangled data to the database!',
+                'PHP mysqli.reconnect is enabled',
+                ContextualFeedbackSeverity::ERROR
+            ));
+        } else {
+            $this->getMessageQueue()->enqueue(new FlashMessage(
+                '',
+                'PHP mysqli.reconnect is fine'
+            ));
+        }
+    }
+}