TEST codeblock formatting

I just installed this:

https://www.drupal.org/project/highlight_php

<?php
/**
 * @file
 * Includes the autoloader created by Composer.
 *
 * This file was generated by drupal-scaffold.
 *
 * @see composer.json
 * @see index.php
 * @see core/install.php
 * @see core/rebuild.php
 * @see core/modules/statistics/statistics.php
 */
return require __DIR__ . '/vendor/autoload.php';