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yoya/io\_gif
============

GIF library

2.0.0(6y ago)416MITPHPPHP >=5.1.0

Since Dec 8Pushed 6y ago1 watchersCompare

[ Source](https://github.com/yoya/IO_GIF)[ Packagist](https://packagist.org/packages/yoya/io_gif)[ Docs](http://pwiki.awm.jp/~yoya/?IO_GIF)[ RSS](/packages/yoya-io-gif/feed)WikiDiscussions master Synced 2mo ago

READMEChangelog (2)Dependencies (1)Versions (4)Used By (0)

IO\_GIF
=======

[](#io_gif)

GIF parser & dumper

Usage
=====

[](#usage)

```
% composer require yoya/io_gif
% php vendor/yoya/io_gif/sample/gifdump.php
Usage: php gifdump.php
% php vendor/yoya/io_gif/sample/gifdump.php -f t.gif
Signature:GIF Version:89a
Screen: Width:2 Height:2
GlobalColorTableFlag:1 ColorResolution:8 SortFlag:0 SizeOfGlobalColorTable: 2
GlobalColorTable:
#000000 #0000ff
BlockLabel:0x21 ExtensionLabel:0xF9 (Graphic Control)
    DisposalMethod:0 UserInputFlag:0
    TransparentColorFlag:1 DelayTime:0 TransparentColorIndex:0
BlockLabel:0x2C (Image)
    Left:0 Top:0 Width:2 Height:2
    LocalColorTableFlag:0 InterlaceFlag:0 SortFlag:0 SizeOfLocalColorTable:0
    ImageData.count:1
BlockLabel:0x3B

```

###  Health Score

27

—

LowBetter than 49% of packages

Maintenance20

Infrequent updates — may be unmaintained

Popularity10

Limited adoption so far

Community7

Small or concentrated contributor base

Maturity60

Established project with proven stability

 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 ~441 days

Total

3

Last Release

2192d ago

Major Versions

1.0.1 → 2.0.02020-05-09

### 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 (30 commits)")

---

Tags

imagegif

### Embed Badge

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

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

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