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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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                        (
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                            [slug] => python
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            [parent_category] => Array
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            [subcategories] => Array
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                        (
                            [name] => Electrical Engineering
                            [slug] => electrical-engineering
                            [id] => 1882
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                    [1] => Array
                        (
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                            [slug] => mechanical-engineering
                            [id] => 1881
                        )

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            [parent_category] => Array
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                    [slug] => languages
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            [subcategories] => Array
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                        (
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                            [slug] => french
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            [parent_category] => Array
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                    [slug] => math
                    [name] => Math
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            [subcategories] => Array
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                            [slug] => algebra-1
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                            [slug] => calculus
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                            [slug] => elementary-math
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