Resque\Job::cleanup PHP Method

    public static function cleanup(array $queues = array('*'))
    {
        $cleaned = array('zombie' => 0, 'processed' => 0);
        $redis = Redis::instance();
        if (in_array('*', $queues)) {
            $queues = (array) $redis->smembers(Queue::redisKey());
            sort($queues);
        }
        $workers = $redis->smembers(Worker::redisKey());
        foreach ($queues as $queue) {
            $jobs = $redis->zrangebyscore(Queue::redisKey($queue, 'running'), 0, time());
            foreach ($jobs as $payload) {
                $job = self::loadPayload($queue, $payload);
                $packet = $job->getPacket();
                if (!in_array($packet['worker'], $workers)) {
                    $job->fail(new Exception\Zombie());
                    $cleaned['zombie']++;
                }
            }
            $cleaned['processed'] = $redis->zremrangebyscore(Queue::redisKey($queue, 'processed'), 0, time() - \Resque::getConfig('default.expiry_time', \Resque::DEFAULT_EXPIRY_TIME));
        }
        return $cleaned;
    }

 protected function execute(InputInterface $input, OutputInterface $output)
 {
     $host = new Resque\Host();
     $cleaned_hosts = $host->cleanup();
     $worker = new Resque\Worker('*');
     $cleaned_workers = $worker->cleanup();
     $cleaned_hosts = array_merge_recursive($cleaned_hosts, $host->cleanup());
     $cleaned_jobs = Resque\Job::cleanup();
     $this->log('Cleaned hosts: <pop>' . json_encode($cleaned_hosts['hosts']) . '</pop>');
     $this->log('Cleaned workers: <pop>' . json_encode(array_merge($cleaned_hosts['workers'], $cleaned_workers)) . '</pop>');
     $this->log('Cleaned <pop>' . $cleaned_jobs['zombie'] . '</pop> zombie job' . ($cleaned_jobs['zombie'] == 1 ? '' : 's'));
     $this->log('Cleared <pop>' . $cleaned_jobs['processed'] . '</pop> processed job' . ($cleaned_jobs['processed'] == 1 ? '' : 's'));
 }