Please use the package zendframework/zend-expressive-hal instead, as development has moved to that repository.
This library provides provides utilities for modeling HAL resources with links and generating PSR-7 responses representing both JSON and XML serializations of them.
Run the following to install this library:
$ composer require weierophinney/hal
Documentation is in the doc tree, and can be compiled using mkdocs:
$ mkdocs build
You may also browse the documentation online.