PHPackages                             yoya/io\_swf - 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. [Utility &amp; Helpers](/categories/utility)
4. /
5. yoya/io\_swf

ActiveLibrary[Utility &amp; Helpers](/categories/utility)

yoya/io\_swf
============

SWF library

v4.2.2(4mo ago)118MITPHPPHP &gt;=5.1.0

Since Feb 17Pushed 4mo ago1 watchersCompare

[ Source](https://github.com/yoya/IO_SWF)[ Packagist](https://packagist.org/packages/yoya/io_swf)[ Docs](http://pwiki.awm.jp/~yoya/?IO_SWF)[ RSS](/packages/yoya-io-swf/feed)WikiDiscussions master Synced yesterday

READMEChangelog (1)Dependencies (1)Versions (32)Used By (0)

IO\_SWF
=======

[](#io_swf)

This is a library for interpreting/editing the SWF binary. It's mainly targeted for Flash Lite 1.x/2.x. Not limited in use, free to copy and modify by MIT license. Please contact me if you want new features.

SWF バイナリを解釈/編集する為のライブラリです。 IO\_Bit が必要です。 主に Flash Lite 1.x/2.x を対象にしています。利用に制限はかけません。 コピーも改変もご自由にどうぞ。MIT ライセンスにしました。 自分の環境だと動かないとか、機能が欲しいとかいった要望があれば連絡下さい。

↓以下のブログに解析ツールとして解説があります。参考までに

-

License
=======

[](#license)

MIT License

Install
=======

[](#install)

```
% composer require yoya/io_swf

```

Usage
=====

[](#usage)

- swfdump.php (binary structure information dump)

```
% php vendor/yoya/io_swf/sample/swfdump.php -f input.swf
Signature: FWS
Version: 26
FileLength: 886751
FrameSize: Xmin: 0 Xmax: 512 Ymin: 0 Ymax: 288
FrameRate: 60
FrameCount: 1
Tags:
(omit)

```

More detail
===========

[](#more-detail)

- [https://github.com/yoya/IO\_SWF/wiki](https://github.com/yoya/IO_SWF/wiki)

###  Health Score

43

—

FairBetter than 89% of packages

Maintenance73

Regular maintenance activity

Popularity8

Limited adoption so far

Community12

Small or concentrated contributor base

Maturity67

Established project with proven stability

 Bus Factor1

Top contributor holds 98.5% 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 ~84 days

Recently: every ~54 days

Total

31

Last Release

149d ago

Major Versions

v3.6.3 → v4.0.02020-05-07

### Community

Maintainers

![](https://www.gravatar.com/avatar/b46aabd829c382299018b8def059e03a2546cad928803c5d5dc14d036251f42c?d=identicon)[yoya](/maintainers/yoya)

---

Top Contributors

[![yoya](https://avatars.githubusercontent.com/u/26040?v=4)](https://github.com/yoya "yoya (812 commits)")[![beketa](https://avatars.githubusercontent.com/u/227002?v=4)](https://github.com/beketa "beketa (6 commits)")[![awm-kaeruko](https://avatars.githubusercontent.com/u/7751075?v=4)](https://github.com/awm-kaeruko "awm-kaeruko (3 commits)")[![openpearbot](https://avatars.githubusercontent.com/u/15984321?v=4)](https://github.com/openpearbot "openpearbot (2 commits)")[![withgod](https://avatars.githubusercontent.com/u/110075?v=4)](https://github.com/withgod "withgod (1 commits)")

---

Tags

flashswf

### Embed Badge

![Health badge](/badges/yoya-io-swf/health.svg)

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

###  Alternatives

[plasticbrain/php-flash-messages

A modern take on PHP session-based flash messages

184229.8k8](/packages/plasticbrain-php-flash-messages)[coderello/laraflash

Advanced flash messages for Laravel.

15737.2k1](/packages/coderello-laraflash)[caffeinated/flash

Flash Messages for Laravel

4650.4k2](/packages/caffeinated-flash)[cartalyst/alerts

Alerts allows you to easily pass alert messages to your Laravel views.

2671.7k](/packages/cartalyst-alerts)[ikkez/f3-flash

Add simple Flash Messages and Flash Keys to PHP Fat-Free Framework

2027.4k6](/packages/ikkez-f3-flash)[sabre/amf

SabreAMF is a Flash Remoting server and client for PHP

416.2k1](/packages/sabre-amf)

PHPackages © 2026

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