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            [parent_category] => Array
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                    [slug] => business-finance
                    [name] => Business and Finance
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            [subcategories] => Array
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                    [0] => Array
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                            [name] => GMAT
                            [slug] => gmat
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            [parent_category] => Array
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                    [slug] => computer-technology
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            [subcategories] => Array
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                        (
                            [name] => Java
                            [slug] => java
                            [id] => 1818
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                            [slug] => sql
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            [parent_category] => Array
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                    [slug] => math
                    [name] => Math
                )

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

                    [1] => Array
                        (
                            [name] => Algebra 1
                            [slug] => algebra-1
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                            [slug] => algebra-2
                            [id] => 1726
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                            [slug] => calculus
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                        (
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                            [slug] => differential-equations
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                        )

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                            [name] => Discrete Math
                            [slug] => discrete-math
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                        (
                            [name] => Geometry
                            [slug] => geometry
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                        (
                            [name] => Linear Algebra
                            [slug] => linear-algebra
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                            [slug] => precalculus
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                            [slug] => sat-math
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                            [slug] => statistics
                            [id] => 1736
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                            [slug] => trigonometry
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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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                        (
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                            [slug] => physics
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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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                            [slug] => praxis
                            [id] => 1863
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)