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 Photoshop
                            [slug] => adobe-photoshop
                            [id] => 1843
                        )

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

                )

        )

    [1802] => Array
        (
            [parent_category_id] => 1802
            [parent_category] => Array
                (
                    [id] => 1802
                    [slug] => computer-technology
                    [name] => Computer and Technology
                )

            [subcategories] => Array
                (
                    [0] => Array
                        (
                            [name] => PHP
                            [slug] => php
                            [id] => 1823
                        )

                )

        )

)