Closure logger from Symfony2 command

OriginCall.php

<?php
class SendMailingCommand extends ContainerAwareCommand
{ 

    protected function execute(InputInterface $input, OutputInterface $output)
    {   
        $logger = function($message) use ($output)
        {   
            $output->writeln($message);
        };  

        while (1) {
            $this
                ->getContainer()
                ->get('wowo_newsletter.newsletter_manager')
                ->getJobFromQueueAndSendMailing($logger, $input->getOption('verbose'));
        }
    }
}

OriginCall.php:set

class SendMailingCommand extends ContainerAwareCommand
{ 

    protected function execute(InputInterface $input, OutputInterface $output)
    {   
        $logger = function($message) use ($output)
        {   
            $output->writeln($message);
        };  

        while (1) {
                $this->getContainer()->get('wowo_newsletter.newsletter_manager')->getJobFromQueueAndSendMailing($logger, $input->getOption('verbose'));
        }
    }
}