Asynchronous PHP in examples

#slideless

Denys Bulakh

• Web Software Developer since 2002
• CTO at Regiondo GmbH
• Principal Engineer at Jochen Schweizer Mydays Group

Regiondo

• Booking software for Leisure activity providers
• PHP, MySQL, MongoDB, Elasticsearch, Magento
• NodeJS, ReactJS, Kafka, k8, AWS

Asynchronious PHP

Why?

PHP made synchronous

Asynchronious execution

• Higher UI responsiveness
• Timers
• Repetitive processes
• Listeners
• ...

Problem

• Concurrent requests
• Blocking I/O
• DB deadlocks

Solution?

• Queuing

Parallel execution

• Process performance
• Faster input/output
• Importing/exporting
• ...

How?

Message broker

• RabbitMQ
• Amazon SQS
• Kafka

ReactPHP

• Promises
• Event loop
• Child processes

Swoole

• Coroutines
• Channels
• Multiprocessing

Example project

Step 1

git checkout step-1

• Promises
• React PHP

Step 2

git checkout step-2

• EventLoop
• ChildProcess

Step 3

git checkout step-3

• Refactor usage of EventLoop
• Promise any / all

Step 4

git checkout step-4

• Swoole
• Coroutines

Step 5

git checkout step-5

• Channels for sharing between the coroutines

Step 6

git checkout step-6

• Swoole Server

Thank you!

Questions?

Denys Bulakh

• [email protected]
• https://github.com/denisbulakh/ipc-2020-asyncphp-session
• https://www.linkedin.com/in/denysbulakh/