difficulty.php

<?php
/**
 * Course difficulty template
 *
 * @author      LifterLMS
 * @package     LifterLMS/Templates
 */

defined( 'ABSPATH' ) || exit;

global $post;

$course = new LLMS_Course( $post );

if ( ! $course->get_difficulty() ) {
	return;
}
?>

<div class="llms-meta llms-difficulty">
	<p><?php printf( __( 'Difficulty: <span class="difficulty">%s</span>', 'lifterlms' ), $course->get_difficulty() ); ?></p>
</div>