1. Go to this page and download the library: Download wscore/dicontainer 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/ */
wscore / dicontainer example snippets
$container =
$container->set( 'some-id', 'a value' );
$value = $container->get( 'some-id' ); // gets a string: "a value".