Extend membership restriction to courses, memberships and other post types

llms_membership_restricted_post_types.php

<?php // Do not copy this line

// Copy from under this line and paste into your child theme's functions.php

add_filter( 'llms_membership_restricted_post_types', 'my_membership_restriction_post_types' );

/**
 * Add LifterLMS membership restrictions to a custom post type
 * @param    array     $post_types  array of custom post types
 * @return   array
 */
function my_membership_restriction_post_types( $default_post_types ) {
	$post_types_to_restrict = ('llms_membership', 'course', 'event', 'another_post_type');
	
	$updated_post_types = array_merge( $default_post_types, $post_types_to_restrict );
	
	return $updated_post_types;
}