1. Go to this page and download the library: Download bubbstore/correios library. Choose the download type require.
2. Extract the ZIP file and open the index.php.
3. Add this code to the index.php.
<?php
require_once('vendor/autoload.php');
/* Start to develop here. Best regards https://php-download.com/ */
bubbstore / correios example snippets
use bubbstore\Correios\Zipcode;
$zipcode = new Zipcode('14940000');
echo '<pre>' . json_encode($zipcode->find()) . '</pre>';