1. Go to this page and download the library: Download pinkfire/pinkfire-bundle 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/ */
pinkfire / pinkfire-bundle example snippets
$client = new GuzzleHttp\Client();
$emitter = $client->getEmitter();
$emitter->attach($this->get('pinkfire.guzzle_subscriber'));