1. Go to this page and download the library: Download icanboogie/render 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/ */
use ICanBoogie\Render\EngineProvider\Immutable;
use ICanBoogie\Render\PHPEngine;
$engines = new Immutable([ '.php' => new PHPEngine() ]);
echo $engines->engine_for_extension('.php')::class; // ICanBoogie\Render\PHPEngine