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

            [subcategories] => Array
                (
                    [0] => Array
                        (
                            [name] => Solidworks
                            [slug] => solidworks
                            [id] => 1855
                        )

                )

        )

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

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

                )

        )

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

            [subcategories] => Array
                (
                    [0] => Array
                        (
                            [name] => DOS
                            [slug] => dos
                            [id] => 1837
                        )

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

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

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

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

                )

        )

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

            [subcategories] => Array
                (
                    [0] => Array
                        (
                            [name] => Mechanical Engineering
                            [slug] => mechanical-engineering
                            [id] => 1881
                        )

                )

        )

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

            [subcategories] => Array
                (
                    [0] => Array
                        (
                            [name] => Farsi
                            [slug] => farsi
                            [id] => 1716
                        )

                    [1] => Array
                        (
                            [name] => Vietnamese
                            [slug] => vietnamese
                            [id] => 1710
                        )

                )

        )

    [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] => Algebra 1
                            [slug] => algebra-1
                            [id] => 1725
                        )

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

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

                    [4] => Array
                        (
                            [name] => Common Core
                            [slug] => common-core
                            [id] => 1739
                        )

                    [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] => SAT Math
                            [slug] => sat-math
                            [id] => 1740
                        )

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

                    [14] => 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] => Anatomy
                            [slug] => anatomy
                            [id] => 1749
                        )

                    [1] => Array
                        (
                            [name] => Biology
                            [slug] => biology
                            [id] => 1746
                        )

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

                    [3] => Array
                        (
                            [name] => Elementary Science
                            [slug] => elementary-science
                            [id] => 1759
                        )

                    [4] => Array
                        (
                            [name] => Genetics
                            [slug] => genetics
                            [id] => 1753
                        )

                    [5] => Array
                        (
                            [name] => Microbiology
                            [slug] => microbiology
                            [id] => 1752
                        )

                    [6] => Array
                        (
                            [name] => Organic Chemistry
                            [slug] => organic-chemistry
                            [id] => 1754
                        )

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

                    [8] => Array
                        (
                            [name] => Physiology
                            [slug] => physiology
                            [id] => 1750
                        )

                )

        )

    [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] => IELTS
                            [slug] => ielts
                            [id] => 1858
                        )

                    [3] => Array
                        (
                            [name] => TOEFL
                            [slug] => toefl
                            [id] => 1857
                        )

                )

        )

)