symfony console single

symfony-console-single.php

<?php
require __DIR__ . '/vendor/autoload.php';

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

class MyApplication extends Application
{
    private function getCalleeName()
    {
        global $argv;
        return basename($argv[0]);
    }

    protected function getCommandName(InputInterface $input)
    {
        return $this->getCalleeName();
    }

    protected function getDefaultCommands()
    {
        $commands = parent::getDefaultCommands();
        $commands[] = (new Command($this->getCalleeName()))
            ->setDescription("Hello")
            ->addOption("name", "N", InputOption::VALUE_OPTIONAL, "Name", "unknown")
            ->setCode(function (InputInterface $input, OutputInterface $output) {
                $name = $input->getOption('name');
                $output->writeln("Hello <info>$name</info>");
            })
        ;
        return $commands;
    }

    public function getDefinition()
    {
        $definition = parent::getDefinition();
        $definition->setArguments();
        return $definition;
    }
}

(new MyApplication())->run();