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

            [subcategories] => Array
                (
                    [0] => Array
                        (
                            [name] => Art History
                            [slug] => art-history
                            [id] => 1841
                        )

                    [1] => Array
                        (
                            [name] => Art Theory
                            [slug] => art-theory
                            [id] => 1842
                        )

                )

        )

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

            [subcategories] => Array
                (
                    [0] => Array
                        (
                            [name] => Computer Engineering
                            [slug] => computer-engineering
                            [id] => 1812
                        )

                    [1] => Array
                        (
                            [name] => Computer Programming
                            [slug] => computer-programming
                            [id] => 1813
                        )

                    [2] => Array
                        (
                            [name] => Computer Science
                            [slug] => computer-science
                            [id] => 1814
                        )

                    [3] => Array
                        (
                            [name] => General Computer
                            [slug] => general-computer
                            [id] => 1803
                        )

                    [4] => Array
                        (
                            [name] => Java
                            [slug] => java
                            [id] => 1818
                        )

                    [5] => Array
                        (
                            [name] => JavaScript
                            [slug] => javascript
                            [id] => 1819
                        )

                    [6] => Array
                        (
                            [name] => SQL
                            [slug] => sql
                            [id] => 1822
                        )

                    [7] => Array
                        (
                            [name] => UNIX
                            [slug] => unix
                            [id] => 1836
                        )

                )

        )

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

            [subcategories] => Array
                (
                    [0] => Array
                        (
                            [name] => German
                            [slug] => german
                            [id] => 1713
                        )

                )

        )

)