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<?php
namespace App\Commands;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
class HelloWorldCommand extends Command
{
public function execute(InputInterface $input, OutputInterface $output)
$output->writeln('Hello, world!');
}
protected function configure()
$this->setName('hello-world');