Exclude draft posts

function pm_exclude_drats($element_id, $uri_parts) {
    global $permalink_manager_uris;

    if(is_numeric($element_id) && !empty($uri_parts['uri'])) {
        while(empty($new_element_id)) {
            $post_id = (int) $element_id;
            $post = get_post($post_id);

            if($post->post_status == 'draft') {
                $uri = $uri_parts['uri'];
                unset($permalink_manager_uris[$post_id]);

                $element_id = array_search($uri, $permalink_manager_uris);
            } else {
                $new_element_id = $element_id;
            }
        }
    }

    return (!empty($new_element_id)) ? $new_element_id : $element_id;
}
add_action('permalink_manager_detected_element_id', 'pm_exclude_drats', 99, 2);