1. What RabbitMQ Can Do For You
James Titcumb
Nomad PHP Lightning Talk
May 2014

2. Who is this guy?
James Titcumb
www.jamestitcumb.com
www.protected.co.uk
www.phphants.co.uk
@asgrim

3. What is message queuing?

4. Separate applications

5. Low cost parallelisation

6. Basic Example
Publisher
queue
Consumer
Based on: http://www.rabbitmq.com/tutorials/tutorial-one-php.html

7. Exchanges
Based on: http://www.rabbitmq.com/tutorials/tutorial-three-php.html
queue1
Publisher
Publisher
Publisher
Publisher
Exchange
queue2
Consumer
Consumer
Consumer

8. Exchanges: Direct
Based on: http://www.rabbitmq.com/tutorials/tutorial-four-php.html
fruit
Exchange
vegetable
Fruit consumer
Veg consumer
Fruit consumer
Publisher
routing key: fruit
routing key: vegetable

9. Exchanges: Topic
Based on: http://www.rabbitmq.com/tutorials/tutorial-five-php.html
*.fruit
Exchange
green.*
Fruit consumer
Green consumer
Veg consumer
Publisher
routing key: green.fruit
routing key: green.vegetable
*.vegetable

10. Real World Uses
● Fast logging solution
● Sending emails
● Sending SMS
● Background processing (e.g. analysing data)

11. Using in PHP?
https://github.com/videlalvaro/php-amqplib

12. composer.json
{
"require": {
"videlalvaro/php-amqplib": "2.*"
}
}

13. Set up the channel
use PhpAmqpLibConnectionAMQPConnection;
$connection = new AMQPConnection(
'localhost', 5672, 'guest', 'guest', '/');
$channel = $connection->channel();
$channel->queue_declare('my_queue', /* params... */);
$channel->exchange_declare(
'my_exchange', 'fanout', /* params... */);
$channel->queue_bind('my_queue', 'my_exchange');

14. Basic Publishing Example
use PhpAmqpLibMessageAMQPMessage;
$content = 'Hello world';
$message = new AMQPMessage($content);
$channel->basic_publish($message);

15. Basic Consumer Example
use PhpAmqpLibMessageAMQPMessage;
$channel->basic_consume(
'my_queue',
/* some more parameters */
function (AMQPMessage $message) {
echo $message->body;
}
);

16. Questions?

17. Thank you!
James Titcumb
www.jamestitcumb.com
www.protected.co.uk
www.phphants.co.uk
@asgrim
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