setName('doctrine:cache:clear-query-region') ->addOption('em', null, InputOption::VALUE_OPTIONAL, 'The entity manager to use for this command'); } /** * @return int */ protected function execute(InputInterface $input, OutputInterface $output) { DoctrineCommandHelper::setApplicationEntityManager($this->getApplication(), $input->getOption('em')); return parent::execute($input, $output); } }