Library can be installed into any PHP application:

• Using Composer dependency manager
• The Force for the Jedi Developers

$ composer require phpfn/phpfn

In order to access library make sure to include vendor/autoload.php in your file.

<?php

require __DIR__ . '/vendor/autoload.php';

This package includes

• phpfn/curry is an implementation of currying and partial application.
• phpfn/immutable is a little helper to ensure object immutability.
• phpfn/pipe for the ability to use a sequence of functions as a chain.
• phpfn/placeholder is a placeholder (looks like that: _) symbol implementation.
• phpfn/symbol for the ability to create unique identifiers within the system.

• https://github.com/nikic/iter
• https://github.com/lstrojny/functional-php