public static function showAvailableDrivers()
{
try {
if (self::$instance instanceof \PDO) {
$info = self::$instance->getAvailableDrivers();
echo '<h7>Available Drivers: ', implode(', ', $info), '</h7>';
} else {
throw new \PDOException(self::$exception['no-instance']);
}
} catch (\PDOException $e) {
self::stackTrace($e);
}
}