Beispeil für eine Standardausgabe aus dem [Symfony-Handbuch](https://symfony.com/doc/current/console/style.html)

GreetCommand.php

<?php
// src/Command/GreetCommand.php
namespace App\Command;

use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;

class GreetCommand extends Command
{
    // ...

    protected function execute(InputInterface $input, OutputInterface $output)
    {
        $output->writeln([
            '<info>Lorem Ipsum Dolor Sit Amet</>',
            '<info>==========================</>',
            '',
        ]);

        // ...
    }
}