[widget_title]
WP_Hook Object
(
    [callbacks] => Array
        (
            [10] => Array
                (
                    [wptexturize] => Array
                        (
                            [function] => wptexturize
                            [accepted_args] => 1
                        )

                    [convert_chars] => Array
                        (
                            [function] => convert_chars
                            [accepted_args] => 1
                        )

                    [esc_html] => Array
                        (
                            [function] => esc_html
                            [accepted_args] => 1
                        )

                )

        )

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

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

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