A Major Event in PHP
A Major Event in PHP
A thorough introduction to PSR-14: The Event Dispatcher standard.
About the Book
In early 2019, the PHP Framework Interoperability Group (PHP-FIG) released PSR-14, the Event Dispatcher specification. At the time I posted a long series of blog posts detailing PSR-14 in all its glory.
This book is those blog posts, collected into a single ebook format and lightly edited to fit better in book format. The blog posts are still available and will remain so, but this is for those that prefer their FIG in ebook format, or who want to support the work of FIG and Open Sourcing Mental Illness (https://osmihelp.org/).
OSMI is a non-profit organization that works to raise awareness of and research information about mental health challenges in the tech community. 50% of all royalties for this book are automatically donated to OSMI to support their vital work.
An Overview of PSR-14
- The goal
- The spec
- A trivial example
All About Events
- Identifying Events
- Minimalist Events and backward compatibility
- Mutating Events
- Naming things
- Stoppable Events
Being a Good Provider
- Keeping order
- Compiling for fun and profit
- Write your own
- Self-referential Providers
- Dynamic sub-type Providers
- Aggregate Providers
- Delegating Providers
- Bring it all together
- Custom Providers
- So what do we do with it?
- About PSR-14
Examples of PSR-14 in Action
- Voting based access control
- A dedicated Provider?
- The use case
- Event design
- Change the world
- The upshot
Delayed Events, Queues, and Asynchronicity
- One-off queues
- Non-blocking Application Server
- Define the problem
- The tools
- The Event
- Listen carefully
- Putting it all together
- A Dedicated Provider?
- The upshot
- Access Voting
Open Sourcing Mental Illness, Ltd
Changing how we talk about mental health in the tech community.https://osmihelp.org
Changing how we talk about mental health in the tech community.
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