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Asynchronous tasks in PHP
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Olivier Dolbeau
June 24, 2014
Programming
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Asynchronous tasks in PHP
Why & how making asynchronous tasks in PHP
PHPTour Lyon 2014 - 24/06/2014
Olivier Dolbeau
June 24, 2014
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Transcript
Making asynchronous tasks in PHP
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Olivier Dolbeau @odolbeau Web Architect About me
RIDESHARING Cost of motoring 100€ 25€ 25€ 25€ 25€ @BlaBlaCar_FR
ALONE
A fast growing community
A European phenomenon
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Your visitors don’t want to wait! and if they have
to, they don’t want to know it
For you :
Your web servers want to make their job! (they don’t
care about emails other boring tasks)
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Separating concerns Serveur web Consumer Consumer Consumer Consumer Consumer
Separating concerns
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How Rabbit work?
With more consumers
You can add simple routing logic
Or more complex logic
How your app talks to RabbitMQ?
With the PECL extension Thanks to Pieter de Zwart See:
pdezwart/php-amqp Use librabbitmq (alanxz/rabbitmq-c)
How to connect to RabbitMQ?
How to publish a message?
How to consume a message?
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It’s a trap !
get > consume • consume is a blocking call •
you don’t want blocking calls in your application ! • Use “get” method with a poll-interval
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Wait 30 seconds and retry!
Wait 3 minutes and retry!
Wait half an hour and retry!
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Swarrot
Existing processors
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Last tip !
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Making asynchronous tasks is good (even in PHP)
@odolbeau https://joind.in/ 11237 https://github.com/swarrot/swarrot https://speakerdeck.com/odolbeau/asynchronous-tasks-in-php