protected function validateInputDbTypeInstall()
    {
        $drivers = PDO::getAvailableDrivers();
        $title = $this->text('Database type (enter a number)');
        $input = $this->menu(array_combine($drivers, $drivers), 'mysql', $title);

        if (!$this->isValidInput($input, 'database.type', 'install')) {
            $this->errors();
            $this->validateInputDbTypeInstall();
        }
    }