Array
(
    [1760] => Array
        (
            [parent_category_id] => 1760
            [parent_category] => Array
                (
                    [id] => 1760
                    [slug] => english-reading
                    [name] => English and Reading
                )

            [subcategories] => Array
                (
                    [0] => Array
                        (
                            [name] => Grammar
                            [slug] => grammar
                            [id] => 1761
                        )

                    [1] => Array
                        (
                            [name] => Proofreading
                            [slug] => proofreading
                            [id] => 1767
                        )

                    [2] => Array
                        (
                            [name] => Reading
                            [slug] => reading
                            [id] => 1763
                        )

                    [3] => Array
                        (
                            [name] => Spelling
                            [slug] => spelling
                            [id] => 1769
                        )

                    [4] => Array
                        (
                            [name] => Vocabulary
                            [slug] => vocabulary
                            [id] => 1765
                        )

                    [5] => Array
                        (
                            [name] => Writing
                            [slug] => writing
                            [id] => 1764
                        )

                )

        )

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

            [subcategories] => Array
                (
                    [0] => Array
                        (
                            [name] => English
                            [slug] => english
                            [id] => 1704
                        )

                )

        )

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

            [subcategories] => Array
                (
                    [0] => Array
                        (
                            [name] => Elementary Math
                            [slug] => elementary-math
                            [id] => 1743
                        )

                )

        )

    [1915] => Array
        (
            [parent_category_id] => 1915
            [parent_category] => Array
                (
                    [id] => 1915
                    [slug] => miscellaneous
                    [name] => Miscellaneous / Other
                )

            [subcategories] => Array
                (
                    [0] => Array
                        (
                            [name] => Fitness
                            [slug] => fitness
                            [id] => 1917
                        )

                )

        )

    [1856] => Array
        (
            [parent_category_id] => 1856
            [parent_category] => Array
                (
                    [id] => 1856
                    [slug] => test-prep-exams
                    [name] => Test Prep and Exams
                )

            [subcategories] => Array
                (
                    [0] => Array
                        (
                            [name] => GED
                            [slug] => ged
                            [id] => 1866
                        )

                    [1] => Array
                        (
                            [name] => LSAT
                            [slug] => lsat
                            [id] => 1864
                        )

                    [2] => Array
                        (
                            [name] => Praxis
                            [slug] => praxis
                            [id] => 1863
                        )

                )

        )

)