Array
(
    [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 Gaming
                            [slug] => computer-gaming
                            [id] => 1839
                        )

                    [2] => Array
                        (
                            [name] => Microsoft Access
                            [slug] => microsoft-access
                            [id] => 1807
                        )

                    [3] => Array
                        (
                            [name] => Microsoft Excel
                            [slug] => microsoft-excel
                            [id] => 1805
                        )

                    [4] => Array
                        (
                            [name] => Microsoft Outlook
                            [slug] => microsoft-outlook
                            [id] => 1808
                        )

                    [5] => Array
                        (
                            [name] => Microsoft PowerPoint
                            [slug] => microsoft-powerpoint
                            [id] => 1806
                        )

                    [6] => Array
                        (
                            [name] => Microsoft Project
                            [slug] => microsoft-project
                            [id] => 1810
                        )

                    [7] => Array
                        (
                            [name] => Microsoft Word
                            [slug] => microsoft-word
                            [id] => 1804
                        )

                    [8] => Array
                        (
                            [name] => Python
                            [slug] => python
                            [id] => 1820
                        )

                    [9] => Array
                        (
                            [name] => R
                            [slug] => r
                            [id] => 1821
                        )

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

                )

        )

    [1723] => Array
        (
            [parent_category_id] => 1723
            [parent_category] => Array
                (
                    [id] => 1723
                    [slug] => math
                    [name] => Math
                )

            [subcategories] => Array
                (
                    [0] => Array
                        (
                            [name] => Probability
                            [slug] => probability
                            [id] => 1735
                        )

                    [1] => Array
                        (
                            [name] => Statistics
                            [slug] => statistics
                            [id] => 1736
                        )

                )

        )

)