1. Go to this page and download the library: Download rch/config-access-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/ */
rch / config-access-bundle example snippets
// app/AppKernel.php
$bundles = array(
// ...
new RCH\ConfigAccessBundle\RCHConfigAccessBundle(),
);