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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] => Python
                            [slug] => python
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            [parent_category] => Array
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                    [id] => 1880
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                    [name] => Engineering
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            [subcategories] => Array
                (
                    [0] => Array
                        (
                            [name] => Electrical Engineering
                            [slug] => electrical-engineering
                            [id] => 1882
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            [parent_category] => Array
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                    [slug] => math
                    [name] => Math
                )

            [subcategories] => Array
                (
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                        (
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                            [slug] => act-math
                            [id] => 1741
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                            [slug] => algebra-1
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                            [slug] => algebra-2
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                        (
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                            [slug] => calculus
                            [id] => 1730
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                        (
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                            [slug] => differential-equations
                            [id] => 1731
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                            [slug] => discrete-math
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                            [slug] => geometry
                            [id] => 1727
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                        (
                            [name] => Linear Algebra
                            [slug] => linear-algebra
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                        (
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                            [slug] => mathematica
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                            [slug] => sat-math
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                            [slug] => statistics
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            [parent_category] => Array
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                    [slug] => science
                    [name] => Science
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                            [slug] => chemistry
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                    [1] => Array
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                            [slug] => physics
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)