1. Go to this page and download the library: Download skycel/custom-theme-tree 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/ */
skycel / custom-theme-tree example snippets
/**
* Load Custom Theme Tree Must-Use Plugin
*/
// Load Custom Theme Tree
Tree
new CustomThemeTree();