Symfony\Component\Console\Application::configureIO PHP Method

    protected function configureIO(InputInterface $input, OutputInterface $output)
    {
        if (true === $input->hasParameterOption(array('--ansi'), true)) {
            $output->setDecorated(true);
        } elseif (true === $input->hasParameterOption(array('--no-ansi'), true)) {
            $output->setDecorated(false);
        }
        if (true === $input->hasParameterOption(array('--no-interaction', '-n'), true)) {
            $input->setInteractive(false);
        } elseif (function_exists('posix_isatty')) {
            $inputStream = null;
            if ($input instanceof StreamableInputInterface) {
                $inputStream = $input->getStream();
            }
            // This check ensures that calling QuestionHelper::setInputStream() works
            // To be removed in 4.0 (in the same time as QuestionHelper::setInputStream)
            if (!$inputStream && $this->getHelperSet()->has('question')) {
                $inputStream = $this->getHelperSet()->get('question')->getInputStream(false);
            }
            if (!@posix_isatty($inputStream) && false === getenv('SHELL_INTERACTIVE')) {
                $input->setInteractive(false);
            }
        }
        if (true === $input->hasParameterOption(array('--quiet', '-q'), true)) {
            $output->setVerbosity(OutputInterface::VERBOSITY_QUIET);
            $input->setInteractive(false);
        } else {
            if ($input->hasParameterOption('-vvv', true) || $input->hasParameterOption('--verbose=3', true) || $input->getParameterOption('--verbose', false, true) === 3) {
                $output->setVerbosity(OutputInterface::VERBOSITY_DEBUG);
            } elseif ($input->hasParameterOption('-vv', true) || $input->hasParameterOption('--verbose=2', true) || $input->getParameterOption('--verbose', false, true) === 2) {
                $output->setVerbosity(OutputInterface::VERBOSITY_VERY_VERBOSE);
            } elseif ($input->hasParameterOption('-v', true) || $input->hasParameterOption('--verbose=1', true) || $input->hasParameterOption('--verbose', true) || $input->getParameterOption('--verbose', false, true)) {
                $output->setVerbosity(OutputInterface::VERBOSITY_VERBOSE);
            }
        }
    }

 /**
  * @inheritdoc
  */
 protected function configureIO(InputInterface $input, OutputInterface $output)
 {
     parent::configureIO($input, $output);
     // code style
     $code = new OutputFormatterStyle('black', 'white');
     $output->getFormatter()->setStyle('code', $code);
 }