Mysqli.php

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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;
 
class ‪Mysqli extends ‪AbstractDriver
{
    public function ‪getStatus(): ‪FlashMessageQueue
    {
        $this->‪checkPhpExtensions('mysqli');
        $this->‪checkMysqliReconnectSetting();
 
        return $this->‪getMessageQueue();
    }
 
    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'
            ));
        }
    }
}