Webmozart\Console\UI\Component\ExceptionTrace::printBox PHP Method

    private function printBox(IO $io, Exception $exception)
    {
        $screenWidth = $io->getTerminalDimensions()->getWidth() - 1;
        $boxWidth = 0;
        $boxLines = array_merge(array(sprintf('[%s]', get_class($exception))), explode("\n", wordwrap($exception->getMessage(), $screenWidth - 4)));
        foreach ($boxLines as $line) {
            $boxWidth = max($boxWidth, strlen($line));
        }
        // TODO handle $boxWidth > $screenWidth
        $emptyLine = sprintf('<error>%s</error>', str_repeat(' ', $boxWidth + 4));
        $io->errorLine('');
        $io->errorLine('');
        $io->errorLine($emptyLine);
        foreach ($boxLines as $boxLine) {
            $padding = str_repeat(' ', max(0, $boxWidth - strlen($boxLine)));
            $io->errorLine(sprintf('<error>  %s%s  </error>', $boxLine, $padding));
        }
        $io->errorLine($emptyLine);
        $io->errorLine('');
        $io->errorLine('');
    }