1. Go to this page and download the library: Download craftyhedge/craft-thumbhash 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/ */
craftyhedge / craft-thumbhash example snippets
return [
// ...
'renderMethod' => 'bg', // or 'img' or 'picture'
];