query("SELECT VERSION()")->fetchColumn() : '—';
$tz = date_default_timezone_get();
$storageWritable = is_writable(BASE_PATH . '/storage');
$uploadWritable = is_writable(BASE_PATH . '/public/uploads');
$installed = \Core\Installer::isInstalled();
$info = [
'PHP 版本' => $phpVer,
'运行模式' => $sapi,
'数据库驱动' => $dbDriver === 'mysql' ? 'MySQL' : $dbDriver,
'数据库版本' => $dbVer,
'系统时区' => $tz,
'站点已安装' => $installed ? '是' : '否',
'根目录' => BASE_PATH,
'存储目录可写' => $storageWritable ? '✓ 可写' : '✗ 不可写',
'上传目录可写' => $uploadWritable ? '✓ 可写' : '✗ 不可写',
];
?>