Array
(
    [Appearance] => Array
        (
            [0] => Array
                (
                    [label] => Themes
                    [slug] => themes.php
                    [parent_label] => Appearance
                    [parent_file] => themes.php
                )

            [1] => Array
                (
                    [label] => Widgets
                    [slug] => widgets.php
                    [parent_label] => Appearance
                    [parent_file] => themes.php
                )

            [2] => Array
                (
                    [label] => Editor
                    [slug] => theme-editor.php
                    [parent_label] => Appearance
                    [parent_file] => themes.php
                )

        )

    [Dashboard] => Array
        (
            [0] => Array
                (
                    [label] => Home
                    [slug] => index.php
                    [parent_label] => Dashboard
                    [parent_file] => index.php
                )

            [1] => Array
                (
                    [label] => Updates 0
                    [slug] => update-core.php
                    [parent_label] => Dashboard
                    [parent_file] => index.php
                )

        )