Array
(
    [1840] => Array
        (
            [parent_category_id] => 1840
            [parent_category] => Array
                (
                    [id] => 1840
                    [slug] => art-design
                    [name] => Art and Design
                )

            [subcategories] => Array
                (
                    [0] => Array
                        (
                            [name] => Adobe Illustrator
                            [slug] => adobe-illustrator
                            [id] => 1844
                        )

                    [1] => Array
                        (
                            [name] => Adobe InDesign
                            [slug] => adobe-indesign
                            [id] => 1845
                        )

                    [2] => Array
                        (
                            [name] => Adobe Photoshop
                            [slug] => adobe-photoshop
                            [id] => 1843
                        )

                    [3] => Array
                        (
                            [name] => Animation
                            [slug] => animation
                            [id] => 1799
                        )

                    [4] => Array
                        (
                            [name] => Autodesk Maya
                            [slug] => autodesk-maya
                            [id] => 1854
                        )

                    [5] => Array
                        (
                            [name] => Graphic Design
                            [slug] => graphic-design
                            [id] => 1849
                        )

                )

        )

    [1699] => Array
        (
            [parent_category_id] => 1699
            [parent_category] => Array
                (
                    [id] => 1699
                    [slug] => languages
                    [name] => Languages
                )

            [subcategories] => Array
                (
                    [0] => Array
                        (
                            [name] => Spanish
                            [slug] => spanish
                            [id] => 1703
                        )

                )

        )

)