https://github.com/sergiors/prelude

Functional library for PHP
https://github.com/sergiors/prelude

functional-programming monad php

Last synced: 19 days ago
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Functional library for PHP

• Host: GitHub
• URL: https://github.com/sergiors/prelude
• Owner: sergiors
• License: mit
• Created: 2016-11-16T22:27:13.000Z (over 8 years ago)
• Default Branch: master
• Last Pushed: 2018-03-16T15:01:15.000Z (over 7 years ago)
• Last Synced: 2025-06-22T02:55:47.229Z (21 days ago)
• Topics: functional-programming, monad, php
• Language: PHP
• Homepage:
• Size: 125 KB
• Stars: 48
• Watchers: 7
• Forks: 3
• Open Issues: 1
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

Awesome Lists containing this project

README

        
Prelude

-------

[![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/sergiors/prelude/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/sergiors/prelude/?branch=master)

[![Code Coverage](https://scrutinizer-ci.com/g/sergiors/prelude/badges/coverage.png?b=master)](https://scrutinizer-ci.com/g/sergiors/prelude/?branch=master)

[![Build Status](https://scrutinizer-ci.com/g/sergiors/prelude/badges/build.png?b=master)](https://scrutinizer-ci.com/g/sergiors/prelude/build-status/master)

Install

-------

```bash

composer require sergiors/prelude "dev-master"

```

How to use

----------

```php

use function Prelude\cond;

use function Prelude\equals;

use function Prelude\always;

$fn = cond([

    [equals(0), always('water freezes at 0°C')],

    [equals(100), always('water boils at 100°C')],

    [always(true), function ($temp) {

        return 'nothing special happens at '.$temp.'°C';

    }]

]);

echo $fn(0); // => water freezes at 0°C

echo $fn(50); // => nothing special happens at 50°C

echo $fn(100); // => water boils at 100°C

```

```php

use function Prelude\has;

$hasName = has('name');

echo $hasName(['name' => 'Jimi']); // => true

echo $hasName([]); // => false

```

```php

use const Prelude\id;

use const Prelude\isEmpty;

use function Prelude\ifElse;

use function Prelude\always;

$fn = ifElse(isEmpty)

    (always(true))

    (always(false));

echo $fn([]); // => true

echo $fn(null); // => true

echo $fn(false); // => true

echo $fn('James'); // => false

```

```php

use function Prelude\head;

echo head([1, 2, 3]); // => 1

```

```php

use function Prelude\tail;

echo tail([1, 2, 3]); // => [2, 3]

```

API

---

[**Full API Documentation**](docs/index.md)

Thanks

------

[Marcelo Camargo](https://github.com/haskellcamargo)

License

-------

MIT