Array
(
    [1885] => Array
        (
            [parent_category_id] => 1885
            [parent_category] => Array
                (
                    [id] => 1885
                    [slug] => business-finance
                    [name] => Business and Finance
                )

            [subcategories] => Array
                (
                    [0] => Array
                        (
                            [name] => Business
                            [slug] => business
                            [id] => 1886
                        )

                    [1] => Array
                        (
                            [name] => CFA
                            [slug] => cfa
                            [id] => 1895
                        )

                    [2] => Array
                        (
                            [name] => Finance
                            [slug] => finance
                            [id] => 1890
                        )

                    [3] => Array
                        (
                            [name] => Financial Accounting
                            [slug] => financial-accounting
                            [id] => 1887
                        )

                    [4] => Array
                        (
                            [name] => GMAT
                            [slug] => gmat
                            [id] => 1902
                        )

                    [5] => Array
                        (
                            [name] => Macroeconomics
                            [slug] => macroeconomics
                            [id] => 1891
                        )

                    [6] => Array
                        (
                            [name] => Managerial Accounting
                            [slug] => managerial-accounting
                            [id] => 1888
                        )

                    [7] => Array
                        (
                            [name] => Marketing
                            [slug] => marketing
                            [id] => 1889
                        )

                    [8] => Array
                        (
                            [name] => Microeconomics
                            [slug] => microeconomics
                            [id] => 1892
                        )

                    [9] => Array
                        (
                            [name] => Series 3
                            [slug] => series-3
                            [id] => 1896
                        )

                    [10] => Array
                        (
                            [name] => Series 6
                            [slug] => series-6
                            [id] => 1897
                        )

                    [11] => Array
                        (
                            [name] => Series 63
                            [slug] => series-63
                            [id] => 1899
                        )

                    [12] => Array
                        (
                            [name] => Series 65
                            [slug] => series-65
                            [id] => 1900
                        )

                    [13] => Array
                        (
                            [name] => Series 66
                            [slug] => series-66
                            [id] => 1901
                        )

                    [14] => Array
                        (
                            [name] => Series 7
                            [slug] => series-7
                            [id] => 1898
                        )

                )

        )

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

            [subcategories] => Array
                (
                    [0] => Array
                        (
                            [name] => C
                            [slug] => c
                            [id] => 1827
                        )

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

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

                    [3] => Array
                        (
                            [name] => Data Science
                            [slug] => data-science
                            [id] => 1815
                        )

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

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

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

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

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

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

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

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

                )

        )

    [1880] => Array
        (
            [parent_category_id] => 1880
            [parent_category] => Array
                (
                    [id] => 1880
                    [slug] => engineering
                    [name] => Engineering
                )

            [subcategories] => Array
                (
                    [0] => Array
                        (
                            [name] => Electrical Engineering
                            [slug] => electrical-engineering
                            [id] => 1882
                        )

                )

        )

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

            [subcategories] => Array
                (
                    [0] => Array
                        (
                            [name] => ACT English
                            [slug] => act-english
                            [id] => 1771
                        )

                    [1] => Array
                        (
                            [name] => SAT Reading
                            [slug] => sat-reading
                            [id] => 1770
                        )

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

                )

        )

    [1872] => Array
        (
            [parent_category_id] => 1872
            [parent_category] => Array
                (
                    [id] => 1872
                    [slug] => health-medical
                    [name] => Health and Medical
                )

            [subcategories] => Array
                (
                    [0] => Array
                        (
                            [name] => Nutrition
                            [slug] => nutrition
                            [id] => 1873
                        )

                )

        )

    [1772] => Array
        (
            [parent_category_id] => 1772
            [parent_category] => Array
                (
                    [id] => 1772
                    [slug] => history-social-studies
                    [name] => History and Social Studies
                )

            [subcategories] => Array
                (
                    [0] => Array
                        (
                            [name] => American History
                            [slug] => american-history
                            [id] => 1773
                        )

                    [1] => Array
                        (
                            [name] => Classics
                            [slug] => classics
                            [id] => 1783
                        )

                    [2] => Array
                        (
                            [name] => European History
                            [slug] => european-history
                            [id] => 1774
                        )

                    [3] => Array
                        (
                            [name] => Geography
                            [slug] => geography
                            [id] => 1776
                        )

                    [4] => Array
                        (
                            [name] => Political Science
                            [slug] => political-science
                            [id] => 1778
                        )

                    [5] => Array
                        (
                            [name] => Psychology
                            [slug] => psychology
                            [id] => 1781
                        )

                    [6] => Array
                        (
                            [name] => Social Studies
                            [slug] => social-studies
                            [id] => 1779
                        )

                    [7] => Array
                        (
                            [name] => World History
                            [slug] => world-history
                            [id] => 1775
                        )

                )

        )

    [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
                        )

                    [1] => Array
                        (
                            [name] => French
                            [slug] => french
                            [id] => 1700
                        )

                    [2] => Array
                        (
                            [name] => Linguistics
                            [slug] => linguistics
                            [id] => 1722
                        )

                )

        )

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

            [subcategories] => Array
                (
                    [0] => Array
                        (
                            [name] => ACT Math
                            [slug] => act-math
                            [id] => 1741
                        )

                    [1] => Array
                        (
                            [name] => Actuarial Science
                            [slug] => actuarial-science
                            [id] => 1737
                        )

                    [2] => Array
                        (
                            [name] => Algebra 1
                            [slug] => algebra-1
                            [id] => 1725
                        )

                    [3] => Array
                        (
                            [name] => Algebra 2
                            [slug] => algebra-2
                            [id] => 1726
                        )

                    [4] => Array
                        (
                            [name] => Calculus
                            [slug] => calculus
                            [id] => 1730
                        )

                    [5] => Array
                        (
                            [name] => Differential Equations
                            [slug] => differential-equations
                            [id] => 1731
                        )

                    [6] => Array
                        (
                            [name] => Discrete Math
                            [slug] => discrete-math
                            [id] => 1732
                        )

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

                    [8] => Array
                        (
                            [name] => Geometry
                            [slug] => geometry
                            [id] => 1727
                        )

                    [9] => Array
                        (
                            [name] => Linear Algebra
                            [slug] => linear-algebra
                            [id] => 1733
                        )

                    [10] => Array
                        (
                            [name] => Prealgebra
                            [slug] => prealgebra
                            [id] => 1724
                        )

                    [11] => Array
                        (
                            [name] => Precalculus
                            [slug] => precalculus
                            [id] => 1728
                        )

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

                    [13] => Array
                        (
                            [name] => SAT Math
                            [slug] => sat-math
                            [id] => 1740
                        )

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

                    [15] => Array
                        (
                            [name] => Trigonometry
                            [slug] => trigonometry
                            [id] => 1729
                        )

                )

        )

    [1744] => Array
        (
            [parent_category_id] => 1744
            [parent_category] => Array
                (
                    [id] => 1744
                    [slug] => science
                    [name] => Science
                )

            [subcategories] => Array
                (
                    [0] => Array
                        (
                            [name] => Chemistry
                            [slug] => chemistry
                            [id] => 1747
                        )

                    [1] => Array
                        (
                            [name] => Physics
                            [slug] => physics
                            [id] => 1748
                        )

                )

        )

    [1903] => Array
        (
            [parent_category_id] => 1903
            [parent_category] => Array
                (
                    [id] => 1903
                    [slug] => special-needs-learning
                    [name] => Special Needs and Learning Support
                )

            [subcategories] => Array
                (
                    [0] => Array
                        (
                            [name] => ADHD
                            [slug] => adhd
                            [id] => 1907
                        )

                    [1] => Array
                        (
                            [name] => Career Development
                            [slug] => career-development
                            [id] => 1911
                        )

                    [2] => Array
                        (
                            [name] => College Counseling
                            [slug] => college-counseling
                            [id] => 1912
                        )

                    [3] => Array
                        (
                            [name] => Study Skills
                            [slug] => study-skills
                            [id] => 1910
                        )

                )

        )

    [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] => ACT Science
                            [slug] => act-science
                            [id] => 1870
                        )

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

                    [2] => Array
                        (
                            [name] => SAT Writing
                            [slug] => sat-writing
                            [id] => 1871
                        )

                )

        )

)