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<h1 align="center">ramsey/collection</h1>

<p align="center">
    <strong>A PHP library for representing and manipulating collections.</strong>
</p>

<p align="center">
    <a href="https://github.com/ramsey/collection"><img src="http://img.shields.io/badge/source-ramsey/collection-blue.svg?style=flat-square" alt="Source Code"></a>
    <a href="https://packagist.org/packages/ramsey/collection"><img src="https://img.shields.io/packagist/v/ramsey/collection.svg?style=flat-square&label=release" alt="Download Package"></a>
    <a href="https://php.net"><img src="https://img.shields.io/packagist/php-v/ramsey/collection.svg?style=flat-square&colorB=%238892BF" alt="PHP Programming Language"></a>
    <a href="https://github.com/ramsey/collection/actions?query=workflow%3ACI"><img src="https://img.shields.io/github/workflow/status/ramsey/collection/CI?label=CI&logo=github&style=flat-square" alt="Build Status"></a>
    <a href="https://codecov.io/gh/ramsey/collection"><img src="https://img.shields.io/codecov/c/gh/ramsey/collection?label=codecov&logo=codecov&style=flat-square" alt="Codecov Code Coverage"></a>
    <a href="https://shepherd.dev/github/ramsey/collection"><img src="https://img.shields.io/endpoint?style=flat-square&url=https%3A%2F%2Fshepherd.dev%2Fgithub%2Framsey%2Fcollection%2Fcoverage" alt="Psalm Type Coverage"></a>
    <a href="https://github.com/ramsey/collection/blob/master/LICENSE"><img src="https://img.shields.io/packagist/l/ramsey/collection.svg?style=flat-square&colorB=darkcyan" alt="Read License"></a>
    <a href="https://packagist.org/packages/ramsey/collection/stats"><img src="https://img.shields.io/packagist/dt/ramsey/collection.svg?style=flat-square&colorB=darkmagenta" alt="Package downloads on Packagist"></a>
    <a href="https://phpc.chat/channel/ramsey"><img src="https://img.shields.io/badge/phpc.chat-%23ramsey-darkslateblue?style=flat-square" alt="Chat with the maintainers"></a>
</p>

## About

ramsey/collection is a PHP 7.2+ library for representing and manipulating collections.

Much inspiration for this library came from the [Java Collections Framework][java].

This project adheres to a [code of conduct](CODE_OF_CONDUCT.md).
By participating in this project and its community, you are expected to
uphold this code.

## Installation

Install this package as a dependency using [Composer](https://getcomposer.org).

``` bash
composer require ramsey/collection
```

## Usage

Examples of how to use this framework can be found in the
[Wiki pages](https://github.com/ramsey/collection/wiki/Examples).

## Contributing

Contributions are welcome! Before contributing to this project, familiarize
yourself with [CONTRIBUTING.md](CONTRIBUTING.md).

To develop this project, you will need [PHP](https://www.php.net) 7.2 or greater
and [Composer](https://getcomposer.org).

After cloning this repository locally, execute the following commands:

``` bash
cd /path/to/repository
composer install
```

Now, you are ready to develop!

## Coordinated Disclosure

Keeping user information safe and secure is a top priority, and we welcome the
contribution of external security researchers. If you believe you've found a
security issue in software that is maintained in this repository, please read
[SECURITY.md][] for instructions on submitting a vulnerability report.

## ramsey/collection for Enterprise

Available as part of the Tidelift Subscription.

The maintainers of ramsey/collection and thousands of other packages are working
with Tidelift to deliver commercial support and maintenance for the open source
packages you use to build your applications. Save time, reduce risk, and improve
code health, while paying the maintainers of the exact packages you use.
[Learn more.](https://tidelift.com/subscription/pkg/packagist-ramsey-collection?utm_source=undefined&utm_medium=referral&utm_campaign=enterprise&utm_term=repo)

## Copyright and License

The ramsey/collection library is copyright © [Ben Ramsey](https://benramsey.com)
and licensed for use under the terms of the
MIT License (MIT). Please see [LICENSE](LICENSE) for more information.


[java]: http://docs.oracle.com/javase/8/docs/technotes/guides/collections/index.html
[security.md]: https://github.com/ramsey/collection/blob/master/SECURITY.md