1. Go to this page and download the library: Download alb/fselectmenu 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/ */
alb / fselectmenu example snippets
php
$renderer = new FSelectMenu\Renderer;
echo $renderer->render($value, $choices, $options);