core-bundle/src/Command/UserPasswordCommand.php
private function askForPassword(string $label, InputInterface $input, OutputInterface $output): string
    {
        $question = new Question($label);
        $question->setHidden(true);
        $question->setMaxAttempts(3);

        /** @var QuestionHelper $helper */
        $helper = $this->getHelper('question');

        return $helper->ask($input, $output, $question);
    }
private function askForPassword(string $label, InputInterface $input, OutputInterface $output): string
    {
        $question = new Question($label);
        $question->setHidden(true);
        $question->setMaxAttempts(3);

        /** @var QuestionHelper $helper */
        $helper = $this->getHelper('question');

        return $helper->ask($input, $output, $question);
    }
Asks a question with the given label and hides the input.