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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] => C
                            [slug] => c
                            [id] => 1827
                        )

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                        (
                            [name] => Computer Programming
                            [slug] => computer-programming
                            [id] => 1813
                        )

                    [2] => Array
                        (
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                            [slug] => computer-science
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                    [3] => Array
                        (
                            [name] => Data Science
                            [slug] => data-science
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                    [4] => Array
                        (
                            [name] => Python
                            [slug] => python
                            [id] => 1820
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            [parent_category] => Array
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                    [id] => 1880
                    [slug] => engineering
                    [name] => Engineering
                )

            [subcategories] => Array
                (
                    [0] => Array
                        (
                            [name] => Electrical Engineering
                            [slug] => electrical-engineering
                            [id] => 1882
                        )

                )

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            [parent_category] => Array
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                    [id] => 1699
                    [slug] => languages
                    [name] => Languages
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            [subcategories] => Array
                (
                    [0] => Array
                        (
                            [name] => Urdu
                            [slug] => urdu
                            [id] => 1715
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                )

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            [parent_category] => Array
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                    [slug] => math
                    [name] => Math
                )

            [subcategories] => Array
                (
                    [0] => Array
                        (
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                            [slug] => algebra-1
                            [id] => 1725
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                    [1] => Array
                        (
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                            [slug] => algebra-2
                            [id] => 1726
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                            [slug] => calculus
                            [id] => 1730
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                    [3] => Array
                        (
                            [name] => Differential Equations
                            [slug] => differential-equations
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                        (
                            [name] => Elementary Math
                            [slug] => elementary-math
                            [id] => 1743
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                        (
                            [name] => Geometry
                            [slug] => geometry
                            [id] => 1727
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                        (
                            [name] => Linear Algebra
                            [slug] => linear-algebra
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                            [slug] => prealgebra
                            [id] => 1724
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                        (
                            [name] => Precalculus
                            [slug] => precalculus
                            [id] => 1728
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                        (
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                            [slug] => probability
                            [id] => 1735
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                    [10] => Array
                        (
                            [name] => Statistics
                            [slug] => statistics
                            [id] => 1736
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                        (
                            [name] => Trigonometry
                            [slug] => trigonometry
                            [id] => 1729
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            [parent_category] => Array
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                    [id] => 1744
                    [slug] => science
                    [name] => Science
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            [subcategories] => Array
                (
                    [0] => Array
                        (
                            [name] => Elementary Science
                            [slug] => elementary-science
                            [id] => 1759
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                    [1] => Array
                        (
                            [name] => Physics
                            [slug] => physics
                            [id] => 1748
                        )

                )

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)