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buexplain/roaring
=================

基于“https://github.com/RoaringBitmap/CRoaring”给php提供完善的bitmap操作能力

v3.0.3(4mo ago)03311Apache-2.0CPHP >=7.4

Since Sep 24Pushed 4mo agoCompare

[ Source](https://github.com/buexplain/roaring)[ Packagist](https://packagist.org/packages/buexplain/roaring)[ RSS](/packages/buexplain-roaring/feed)WikiDiscussions main Synced 1mo ago

READMEChangelog (10)Dependencies (2)Versions (13)Used By (1)

roaring
=======

[](#roaring)

基于实现的php版本bitmap

安装
--

[](#安装)

```
composer require buexplain/roaring
```

示例
--

[](#示例)

```
require "vendor/autoload.php";
use Roaring\Bitmap;

//求并集
$a = new Bitmap();
$b = new Bitmap();
$a->addMany([1, 2]);
$b->addMany([2, 3]);
$c = $a->or($b);
print_r($c->toArray()); //[1, 2, 3]

//求交集
$a = new Bitmap();
$b = new Bitmap();
$a->addMany([1, 2, 3]);
$b->addMany([2, 3, 4]);
$c = $a->and($b);
print_r($c->toArray()); //[2, 3]

//求差集
$a = new Bitmap();
$b = new Bitmap();
$a->addMany([1, 2, 3]);
$b->addMany([1, 3, 4]);
$c = $a->andNot($b);
print_r($c->toArray()); //[2]

//求对称差集
$a = new Bitmap();
$b = new Bitmap();
$a->addMany([1, 2, 3]);
$b->addMany([3, 4, 5]);
$c = $a->xOr($b);
print_r($c->toArray()); //[1, 2, 4, 5]

//批量迭代整个bitmap
$a = new Bitmap();
$a->addRange(0, 100);
$generator = $a->iterate(10);
foreach ($generator as $v) {
    print_r($v); //每次循环最多获取10个值
}
```

注意事项
----

[](#注意事项)

PHP的整型数 int 的字长和平台有关， PHP 不支持无符号的 int，基于这个原因，要注意以下两点：

1. 使用64位的bitmap时，能写入的最大值是`PHP_INT_MAX`常量值。
2. 当反序列化的数据来自其它语言的实现时，因为php对`uint64`支持范围不完整，所以可能会出现异常情况，这一点尤其要注意。

centos下安装php的ffi扩展
------------------

[](#centos下安装php的ffi扩展)

### 编译安装

[](#编译安装)

```
/usr/local/bin/php8.2.10/bin/phpize
./configure --with-php-config=/usr/local/bin/php8.2.10/bin/php-config
make && make install
```

### 打开配置文件中的ffi扩展开关

[](#打开配置文件中的ffi扩展开关)

```
php --ini
vi /usr/local/bin/php8.2.10/etc/php.ini
```

### 错误解决

[](#错误解决)

1. `No package 'libffi' found`，执行命令：`yum install libffi-devel`
2. `错误：只允许在 C99 模式下使用‘for’循环初始化声明`，升级gcc

特别感谢
----

[](#特别感谢)

感谢同学review代码、提供`darwin、arm64`的编译机器。

###  Health Score

35

—

LowBetter than 80% of packages

Maintenance74

Regular maintenance activity

Popularity8

Limited adoption so far

Community9

Small or concentrated contributor base

Maturity42

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 ~9 days

Recently: every ~20 days

Total

12

Last Release

139d ago

Major Versions

v1.0.2 → v2.0.02025-09-28

v2.0.4 → v3.0.02025-10-11

PHP version history (2 changes)v1.0.0PHP >=8.1

v2.0.3PHP >=7.4

### Community

Maintainers

![](https://www.gravatar.com/avatar/3b5d9484a14b3718c89b908f5dfc3560c4cbf0c4a879ea77a53c708aead2b2f4?d=identicon)[buexplain](/maintainers/buexplain)

---

Top Contributors

[![buexplain](https://avatars.githubusercontent.com/u/12883364?v=4)](https://github.com/buexplain "buexplain (25 commits)")

---

Tags

bitmapcroaringphproaring

###  Code Quality

TestsPHPUnit

Code StylePHP CS Fixer

### Embed Badge

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

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

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