<?php use Symfony\Component\Console\Command\Command; use Symfony\Component\Console\Command\LockableTrait; use Symfony\Component\Console\Input\InputInterface; use Symfony\Component\Console\Output\OutputInterface; class FooLockCommand extends Command { use LockableTrait; protected function configure(): void { $this->setName('foo:lock'); } protected function execute(InputInterface $input, OutputInterface $output): int { if (!$this->lock()) { return 1; } $this->release(); return 2; } }