Force auto-update

function pm_update_product_uri($post) {
    global $permalink_manager_uris, $permalink_manager_options;

    // Do not do anything if post is autosaved
    if(defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) { return $post; }

    // Do not do anything if the field with URI or element ID are present
    if(isset($_POST['custom_uri']) || !empty($_POST['permalink-manager-edit-uri-element-id'])) { return $post; }

    // Get the full post object
    $post_object = (!empty($post->ID)) ? $post : get_post($post);

    // Check the post type
    if(empty($post_object->post_type) || $post_object->post_type !== 'product') { return $post; };

    // Ignore auto-drafts, removed posts and posts without title
    if(in_array($post_object->post_status, array('auto-draft', 'trash')) || empty($post_object->post_title)) { return $post_id; }

    // Get the post ID
    $post_id = $post_object->ID;

    // Get auto-update URI setting (if empty use global setting)
    $auto_update_uri = get_post_meta($post_id, "auto_update_uri", true);
    $auto_update_uri = (!empty($auto_update_uri)) ? $auto_update_uri : $permalink_manager_options["general"]["auto_update_uris"];

    if($auto_update_uri == 1) {
        // Get the default URI
        $default_uri = Permalink_Manager_URI_Functions_Post::get_default_post_uri($post_id);

        // Save the default URI
        Permalink_Manager_URI_Functions::save_single_uri($post_id, $default_uri, false, true);
    }
}
add_action('save_post', 'pm_update_product_uri', 99, 1);