PHPackages                             phpion/phpion - PHPackages - PHPackages  [Skip to content](#main-content)[PHPackages](/)[Directory](/)[Categories](/categories)[Trending](/trending)[Leaderboard](/leaderboard)[Changelog](/changelog)[Analyze](/analyze)[Collections](/collections)[Log in](/login)[Sign up](/register)

1. [Directory](/)
2. /
3. phpion/phpion

AbandonedArchivedLibrary

phpion/phpion
=============

PHP extension for asynchronous IO and other notifications

0.8.4(8y ago)63383[1 issues](https://github.com/php-ion/php-ion/issues)MITCPHP &gt;=7.0

Since Aug 16Pushed 7y ago8 watchersCompare

[ Source](https://github.com/php-ion/php-ion)[ Packagist](https://packagist.org/packages/phpion/phpion)[ RSS](/packages/phpion-phpion/feed)WikiDiscussions master Synced 1mo ago

READMEChangelog (10)Dependencies (1)Versions (13)Used By (0)

ION PHP Extension
=================

[](#ion-php-extension)

**ION** (regex `/^(I)nput(?:,?\s|-)(O)utput,?\s(N)otifications?$/im`) - PHP extension for asynchronous programming.

- **Subject:** PHP extension
- **Language:** C
- **OS:** linux, mac, freebsd
- **PHP version:** 7.0+
- **Stage:** develop
- **State:** [![Build Status](https://camo.githubusercontent.com/61e8c5096a5df9982db32436ec2b4a1c41fbce611485d24b3595221a01de1b63/68747470733a2f2f7472617669732d63692e6f72672f7068702d696f6e2f7068702d696f6e2e706e673f6272616e63683d6d6173746572)](https://travis-ci.org/php-ion/php-ion) [![Coverage Status](https://camo.githubusercontent.com/8993efcfee5ec9238868a835ff3771c1ecda592d58938626a9843d4a67e738dd/68747470733a2f2f636f766572616c6c732e696f2f7265706f732f7068702d696f6e2f7068702d696f6e2f62616467652e7376673f6272616e63683d6d617374657226736572766963653d676974687562)](https://coveralls.io/github/php-ion/php-ion?branch=master)
- **Version:** [![Latest Stable Version](https://camo.githubusercontent.com/4396bf5fff46afefdc18254c7f976c955e1ea94f4ef1cca58a39745b24981c8c/68747470733a2f2f706f7365722e707567782e6f72672f706870696f6e2f706870696f6e2f762f737461626c65)](https://packagist.org/packages/phpion/phpion) [![Latest Unstable Version](https://camo.githubusercontent.com/a77700bb2033be0e1e49e30da7970d539f9729c3a12679dcd83f327f7fa62a24/68747470733a2f2f706f7365722e707567782e6f72672f706870696f6e2f706870696f6e2f762f756e737461626c65)](https://packagist.org/packages/phpion/phpion)
- **Versioning:** [semver2](http://semver.org/)
- **Based:** [libevent2](http://libevent.org/)
- **Packagist:** [phpion/phpion](https://packagist.org/packages/phpion/phpion)
- **Documentation:** en, [ru](./docs/ru/readme.md)
- **PHP API**: see [classes](./stubs/classes) and [constants](./stubs/constants.php)
- **Configuration**: see [ini](./stubs/ION.ini) directives
- **Unit testing:** [phpunit](https://phpunit.de/) with memory leak detector

### [Install](./docs/install.md) :: [Testing](./docs/testing.md) :: [Segfault](./docs/segfault.md) :: [Contributing](./.github/CONTRIBUTING.md##how-to-contribute-to-php-ion)

[](#install--testing--segfault--contributing)

Features
========

[](#features)

- Built-in Promise/Deferred/Sequence
- Any eventual action return Promise/Deferred/Sequence
- Any Promise/Deferred/Sequence supports generators
- Promise/Deferred/Sequence generators make asynchronous programming easy
- Promise/Deferred/Sequence supports type hinting in callbacks
- Async sockets and stream pipes
- Async socket listeners
- Sendfile supports
- Asynchronous DNS requests
- Useful utilities for processes
- Sending and listening POSIX signals
- Async execution an external program
- Async reading files from FS
- SSL/TLS encryption supports
- Listening FS events
- Create process childs
- Asynchronous inter-process communication
- Management of child processes
- Built-in HTTP 1.0 and 1.1 request/response parsers
- Built-in WebSocket frame parser and Multi-parted parser

\[0.9\]
-------

[](#09)

\[x\] Supports PHP 7.2 \[ \] Supports PHP 7.3 \[ \] Add events classes: `ION\DescriptorEvent`, `ION\TimerEvent`, `ION\SignalEvent`, `ION\FS\INodeEvent`

\[1.0\]
-------

[](#10)

- Stable ION

What can you do
===============

[](#what-can-you-do)

- Asynchronous servers
- Asynchronous clients
- PHP daemons
- PHP clusters
- as you wish

Documentation [EN](./docs/en/readme.md) [RU](./docs/ru/readme.md)
=================================================================

[](#documentation-en-ru)

###  Health Score

29

—

LowBetter than 60% of packages

Maintenance20

Infrequent updates — may be unmaintained

Popularity20

Limited adoption so far

Community12

Small or concentrated contributor base

Maturity55

Maturing project, gaining track record

 Bus Factor1

Top contributor holds 100% of commits — single point of failure

How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window.

**Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores.

**Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement.

**Maturity (30%)** — Project age, version count, PHP version support, and release stability.

###  Release Activity

Cadence

Every ~70 days

Recently: every ~24 days

Total

12

Last Release

3147d ago

PHP version history (2 changes)0.1PHP &gt;=5.4

0.3PHP &gt;=7.0

### Community

Maintainers

![](https://www.gravatar.com/avatar/135c5c250b5bf3601bec3f76db32610c07970441b96a557d0a7a767187912511?d=identicon)[bzick](/maintainers/bzick)

---

Top Contributors

[![bzick](https://avatars.githubusercontent.com/u/345384?v=4)](https://github.com/bzick "bzick (565 commits)")

---

Tags

asynchronouscoroutinesionphp-extensionphp-ionphp7promises

###  Code Quality

TestsPHPUnit

### Embed Badge

![Health badge](/badges/phpion-phpion/health.svg)

```
[![Health](https://phpackages.com/badges/phpion-phpion/health.svg)](https://phpackages.com/packages/phpion-phpion)
```

PHPackages © 2026

[Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)
