Carew\Command\Serve::execute PHP Метод

    public function execute(InputInterface $input, OutputInterface $output)
    {
        $output->writeln(sprintf("Server running on <info>http://%s</info>\n", $input->getArgument('address')));
        $builder = new ProcessBuilder(array(PHP_BINARY, '-S', $input->getArgument('address')));
        $builder->setWorkingDirectory($input->getOption('web-dir'));
        $builder->setTimeout(null);
        $builder->getProcess()->mustRun(function ($type, $buffer) use($output) {
            if (OutputInterface::VERBOSITY_VERBOSE <= $output->getVerbosity()) {
                $output->write($buffer);
            }
        });
    }