The preferred method of installation is via Packagist and Composer. Run the following command to install the package and add it as a requirement to your project's composer.json:
composer require vasildakov/postcode-parser<?php
use VasilDakov\Postcode\Parser;
$parser = new Parser('AA9A 9AA');
var_dump($parser->outward()); // AA9A
var_dump($parser->inward()); // 9AA
$components = $parser->parse(); // array
Code released under the MIT license