public function info()
{
$output = array('server' => 'SERVER_INFO', 'driver' => 'DRIVER_NAME', 'client' => 'CLIENT_VERSION', 'version' => 'SERVER_VERSION', 'connection' => 'CONNECTION_STATUS');
foreach ($output as $key => $value) {
$output[$key] = $this->pdo->getAttribute(constant('PDO::ATTR_' . $value));
}
return $output;
}