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            [parent_category] => Array
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                    [slug] => computer-technology
                    [name] => Computer and Technology
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            [subcategories] => Array
                (
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                        (
                            [name] => Data Science
                            [slug] => data-science
                            [id] => 1815
                        )

                    [1] => Array
                        (
                            [name] => Microsoft Excel
                            [slug] => microsoft-excel
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            [parent_category] => Array
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                    [slug] => health-medical
                    [name] => Health and Medical
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            [subcategories] => Array
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                        (
                            [name] => Nursing
                            [slug] => nursing
                            [id] => 1875
                        )

                    [1] => Array
                        (
                            [name] => Pharmacology
                            [slug] => pharmacology
                            [id] => 1876
                        )

                    [2] => Array
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                            [name] => USMLE
                            [slug] => usmle
                            [id] => 1878
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            [parent_category] => Array
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                    [slug] => history-social-studies
                    [name] => History and Social Studies
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            [subcategories] => Array
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                    [0] => Array
                        (
                            [name] => Psychology
                            [slug] => psychology
                            [id] => 1781
                        )

                )

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            [parent_category] => Array
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                    [slug] => math
                    [name] => Math
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            [subcategories] => Array
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                            [slug] => algebra-1
                            [id] => 1725
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                    [1] => Array
                        (
                            [name] => Algebra 2
                            [slug] => algebra-2
                            [id] => 1726
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                    [2] => Array
                        (
                            [name] => Calculus
                            [slug] => calculus
                            [id] => 1730
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                    [3] => Array
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                            [slug] => elementary-math
                            [id] => 1743
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                            [slug] => geometry
                            [id] => 1727
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                    [5] => Array
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                            [slug] => prealgebra
                            [id] => 1724
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                            [name] => Precalculus
                            [slug] => precalculus
                            [id] => 1728
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                        (
                            [name] => Probability
                            [slug] => probability
                            [id] => 1735
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                    [8] => Array
                        (
                            [name] => Statistics
                            [slug] => statistics
                            [id] => 1736
                        )

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            [parent_category] => Array
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                    [id] => 1744
                    [slug] => science
                    [name] => Science
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            [subcategories] => Array
                (
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                        (
                            [name] => Anatomy
                            [slug] => anatomy
                            [id] => 1749
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                    [1] => Array
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                            [name] => Biology
                            [slug] => biology
                            [id] => 1746
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                    [2] => Array
                        (
                            [name] => Genetics
                            [slug] => genetics
                            [id] => 1753
                        )

                    [3] => Array
                        (
                            [name] => Microbiology
                            [slug] => microbiology
                            [id] => 1752
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                        (
                            [name] => Physics
                            [slug] => physics
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                    [5] => Array
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                            [slug] => physiology
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            [parent_category] => Array
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                    [id] => 1856
                    [slug] => test-prep-exams
                    [name] => Test Prep and Exams
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            [subcategories] => Array
                (
                    [0] => Array
                        (
                            [name] => MCAT
                            [slug] => mcat
                            [id] => 1865
                        )

                )

        )

)