PHP命令行工具开发的最佳实践是什么？

namespace App\Cli;

class ExampleCommand
{
    // ...
}

use Symfony\Component\Console\Command\Command;

class ExampleCommand extends Command
{
    protected function configure()
    {
        $this
            ->setName('example')
            ->setDescription('An example command')
            ->addOption('option', 'o', InputOption::VALUE_REQUIRED, 'Example option')
            ->addArgument('argument', InputArgument::REQUIRED, 'Example argument');
    }

    protected function execute(InputInterface $input, OutputInterface $output)
    {
        // ...
    }
}

use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Input\InputArgument;

class ExampleCommand extends Command
{
    /**
     * @param string $name
     * @param string|null $description
     * @param InputArgument[]|null $arguments An array of InputArgument objects
     * @param InputOption[]|null $options An array of InputOption objects
     * @throws \LogicException When both arguments and options were defined
     */
    protected function configure()
    {
        // ...
    }

    protected function execute(InputInterface $input, OutputInterface $output)
    {
        // ...
    }
}

// 获取选项的值
$optionValue = $input->getOption('option');

// 获取第一个参数的值
$argumentValue = $input->getArgument('argument');

// 向终端输出消息
$output->writeln('Hello world!');

#!/usr/bin/env php

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

class PrintCommand extends Command
{
    protected function configure()
    {
        $this
            ->setName('print')
            ->setDescription('Prints a string')
            ->addArgument('string', InputArgument::REQUIRED, 'String to print');
    }

    protected function execute(InputInterface $input, OutputInterface $output)
    {
        $output->writeln($input->getArgument('string'));
    }
}

$command = new PrintCommand();
$command->run();