```php "; echo " 系统信息 "; echo " Web服务器: $sysos "; echo " PHP版本: $sysversion "; echo " MySQL版本: $mysqlinfo "; echo " GD库版本: $gdinfo "; echo " FreeType: $freetype "; echo " 远程文件获取: $allowurl "; echo " 最大上传限制: $max_upload "; echo " 最大执行时间: $max_ex_time "; echo " 服务器时间: $systemtime "; echo ""; ?> ```