what rabbitmq can do for you (nomad php may 2014)

What RabbitMQ Can Do For You

James TitcumbNomad PHP Lightning Talk

May 2014

Who is this guy?

James Titcumb

www.jamestitcumb.com

www.protected.co.uk

www.phphants.co.uk

@asgrim

What is message queuing?

Separate applications

Low cost parallelisation

Basic Example

Publisher

queue

Consumer

Based on: http://www.rabbitmq.com/tutorials/tutorial-one-php.html

Exchanges

Based on: http://www.rabbitmq.com/tutorials/tutorial-three-php.html

queue1

Publisher

Publisher

Publisher

Publisher

Exchange

queue2

Consumer

Consumer

Consumer

Exchanges: Direct

Based on: http://www.rabbitmq.com/tutorials/tutorial-four-php.html

fruit

Exchange

vegetable

Fruit consumer

Veg consumer

Fruit consumerPublisher

routing key: fruit

routing key: vegetable

Exchanges: Topic

Based on: http://www.rabbitmq.com/tutorials/tutorial-five-php.html

*.fruit

Exchange

green.*

Fruit consumer

Green consumer

Veg consumerPublisher

routing key: green.fruit

routing key: green.vegetable

*.vegetable

Real World Uses

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

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

composer.json

{

"require": {

"videlalvaro/php-amqplib": "2.*"

}

}

Set up the channel

use PhpAmqpLib\Connection\AMQPConnection;

$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');

Basic Publishing Example

use PhpAmqpLib\Message\AMQPMessage;

$content = 'Hello world';

$message = new AMQPMessage($content);

$channel->basic_publish($message);

Basic Consumer Example

use PhpAmqpLib\Message\AMQPMessage;

$channel->basic_consume(

'my_queue',

/* some more parameters */

function (AMQPMessage $message) {

echo $message->body;

}

);

Questions?

Thank you!

James Titcumb

www.jamestitcumb.com

www.protected.co.uk

www.phphants.co.uk

@asgrim

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