krakjoe/parallel

Health v2 · maintenance only

Flags: no_license

Adoption not part of the score

1594 stars · 97 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

A PHP 8 extension written in C providing a succinct parallel concurrency API with Runtime, Future, and Channel primitives for true multithreading. It is documented in the official PHP manual and maintained by Joe Watkins (krakjoe).

Use cases

• run PHP closures in parallel threads
• execute CPU-bound work concurrently in PHP
• offload blocking tasks to background runtimes
• communicate between threads with channels
• get results from parallel tasks via futures
• speed up batch processing in PHP scripts

When to choose

• you need true parallelism (not async) in PHP 8
• you have CPU-bound workloads that block the request
• you want a low-level, succinct threading API for PHP
• you are comfortable installing and managing PHP extensions

When to avoid

• you only need async I/O (use ReactPHP, Swoole, or Fibers instead)
• you are on PHP 7 or earlier
• you cannot install C extensions on your hosting environment
• your workload is I/O-bound and single-threaded execution suffices

Facets

library · maturity active

concurrency developer-tools backend windows php php-extension parallelism threads php8 c-extension linux macos

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