[post_updated]
WP_Hook Object
(
    [callbacks] => Array
        (
            [10] => Array
                (
                    [wp_save_post_revision] => Array
                        (
                            [function] => wp_save_post_revision
                            [accepted_args] => 1
                        )

                    [00000000000034d20000000000000000remove_just_added_menu_item] => Array
                        (
                            [function] => Array
                                (
                                    [0] => Automattic\Jetpack\Sync\Modules\Menus Object
                                        (
                                            [nav_items_just_added:Automattic\Jetpack\Sync\Modules\Menus:private] => Array
                                                (
                                                )

                                        )

                                    [1] => remove_just_added_menu_item
                                )

                            [accepted_args] => 2
                        )

                )

            [12] => Array
                (
                    [wp_check_for_changed_slugs] => Array
                        (
                            [function] => wp_check_for_changed_slugs
                            [accepted_args] => 3
                        )

                    [wp_check_for_changed_dates] => Array
                        (
                            [function] => wp_check_for_changed_dates
                            [accepted_args] => 3
                        )

                )

        )

    [priorities:protected] => Array
        (
            [0] => 10
            [1] => 12
        )

    [iterations:WP_Hook:private] => Array
        (
        )

    [current_priority:WP_Hook:private] => Array
        (
        )

    [nesting_level:WP_Hook:private] => 0
    [doing_action:WP_Hook:private] => 
)