PHP 8.1 RFC: Fibers

RFC Title	Fibers
Change Type	New Feature
Target Version	PHP 8.1
Created on	2021-03-08
Last Updated on	2021-07-13
RFC Status	Implemented
Documentation	Fibers

RFC Vote: Fibers

2021-03-082021-03-22

Implemented

Vote Period	2021-03-08 - 2021-03-22
Passing Threshold	>= 2/3
Vote Results	Yes: 50No: 14

Fibers is a new feature in PHP 8.1 that brings lightweight and controlled concurrency to PHP.

In essence, a Fiber is a code block that maintains its own stack (variables and state), that can be started, suspended, or terminated cooperatively by the main code and the Fiber.

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