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            [parent_category] => Array
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                    [slug] => health-medical
                    [name] => Health and Medical
                )

            [subcategories] => Array
                (
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                        (
                            [name] => Nursing
                            [slug] => nursing
                            [id] => 1875
                        )

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                        (
                            [name] => USMLE
                            [slug] => usmle
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                        )

                )

        )

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

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

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                        (
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                            [slug] => elementary-math
                            [id] => 1743
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            [parent_category] => Array
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                    [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
                        (
                            [name] => Biology
                            [slug] => biology
                            [id] => 1746
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                    [2] => Array
                        (
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                            [slug] => physiology
                            [id] => 1750
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            [parent_category] => Array
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                    [slug] => test-prep-exams
                    [name] => Test Prep and Exams
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            [subcategories] => Array
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                        (
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                            [slug] => ged
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)