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ReMQ

Redis Message Queue (ReMQ) is a message queue built on top of the awesome Redis key-value store.

Getting ReMQ

ReMQ is published on Packagist, so you can install it using Composer.

"require": {
    "remq/remq": "version"
}

Jobs

Jobs are stored as classes. The class must have a perform method which can take a variable number of parameters.

class JobClass
{

    static function perform($param1, $param2)
    {
        echo "Ran job with {$param1} and {$param2}.";
    }

}

Queuing Jobs

Instead of creating a queue for each job, ReMQ allows multiple jobs per queue. This is for simplicity's sake, and there is no other reason behind it.

$queue = new ReMQ\Queue('name');
$queue->enqueue(JobClass, 'param1', 'param2');

Processing Jobs

To process a job, you need to create a worker for the queue.

$worker = new ReMQ\Worker('name');

You can also add additional queues to process.

$worker->addQueue('other');

You can also match queue names.

$worker->addQueue('*');
$worker->addQueue('namespaced:*');

To run the worker, you will call run, runTime, runCount, or runForever.

$worker->runTime(60); // run the worker for 60 seconds. REMQ_RUN_TIME
$worker->runCount(10); // run 10 jobs. REMQ_RUN_COUNT
$worker->runForever(); // run until the script is killed. REMQ_RUN_FOREVER
$worker->run(REMQ_RUN_TYPE, [$unit]); // default is REMQ_RUN_FOREVER

Failing Jobs

If an exception is thrown when a job is being processed, the job will be re-enqueued, and the exception rethrown.

try {
    $worker->runForever();
} Catch (Exception $e) {
    echo $e->getMessage();
}

TODO:

• Handle errors.

Redis

ReMQ is using Predis to connect with Redis. By default Predis will connect to 127.0.0.1 on port 6379. If you are running Redis on another machine, or a non-standard port, you can define that using the setRedisConfig method.

$queue->setRedisConfig(array(
    'host' => '10.0.0.1'
));

If Redis has an auth password, you will need to call the auth command before queuing or processing any jobs.

$queue->redis()->auth('your-pass');

Contributing

If you have made any changes or modifications (and passing tests) to ReMQ, please open a pull request. I would love to have it included in the official package.