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                    [name] => Computer and Technology
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                            [slug] => microsoft-excel
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            [parent_category] => Array
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                    [name] => Engineering
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            [subcategories] => Array
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            [parent_category] => Array
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                    [slug] => languages
                    [name] => Languages
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            [subcategories] => Array
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                            [slug] => french
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                    [slug] => math
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                        (
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                            [slug] => act-math
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                            [slug] => algebra-1
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                            [slug] => calculus
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                        (
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                            [slug] => differential-equations
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                            [slug] => prealgebra
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