Sylius\Bundle\CoreBundle\Command\SetupCommand::getAdministratorPassword PHP Method

    private function getAdministratorPassword(InputInterface $input, OutputInterface $output)
    {
        /** @var QuestionHelper $questionHelper */
        $questionHelper = $this->getHelper('question');
        $validator = $this->getPasswordQuestionValidator($output);
        do {
            $passwordQuestion = $this->createPasswordQuestion('Choose password:', $validator);
            $confirmPasswordQuestion = $this->createPasswordQuestion('Confirm password:', $validator);
            $password = $questionHelper->ask($input, $output, $passwordQuestion);
            $repeatedPassword = $questionHelper->ask($input, $output, $confirmPasswordQuestion);
            if ($repeatedPassword !== $password) {
                $output->writeln('<error>Passwords do not match!</error>');
            }
        } while ($repeatedPassword !== $password);
        return $password;
    }