Certificationy\Cli\Command\StartCommand::displayResults PHP Method

    protected function displayResults(Set $set, OutputInterface $output)
    {
        $results = array();
        $questionCount = 1;
        foreach ($set->getQuestions() as $key => $question) {
            $isCorrect = $set->isCorrect($key);
            $label = wordwrap($question->getQuestion(), self::WORDWRAP_NUMBER, "\n");
            $results[] = array(sprintf('<comment>#%d</comment> %s', $questionCount++, $label), wordwrap(implode(', ', $question->getCorrectAnswersValues()), self::WORDWRAP_NUMBER, "\n"), $isCorrect ? '<info>✔</info>' : '<error>✗</error>');
        }
        if ($results) {
            $tableHelper = $this->getHelper('table');
            $tableHelper->setHeaders(array('Question', 'Correct answer', 'Result'))->setRows($results);
            $tableHelper->render($output);
            $output->writeln(sprintf('<comment>Results</comment>: <error>errors: %s</error> - <info>correct: %s</info>', $set->getErrorsNumber(), $set->getValidNumber()));
        }
    }