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                    [name] => Computer and Technology
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            [subcategories] => Array
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                            [slug] => microsoft-excel
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            [parent_category] => Array
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            [subcategories] => Array
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                        (
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                            [slug] => mechanical-engineering
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            [parent_category] => Array
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            [subcategories] => Array
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                            [slug] => algebra-1
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                            [slug] => algebra-2
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                            [slug] => differential-equations
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                            [slug] => geometry
                            [id] => 1727
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                            [slug] => prealgebra
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                            [slug] => probability
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                            [slug] => trigonometry
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