Web Reference: Jul 20, 2025 · The keys() method of Array instances returns a new array iterator object that contains the keys for each index in the array. array_keys () returns the keys, numeric and string, from the array. If a filter_value is specified, then only the keys for that value are returned. Otherwise, all the keys from the array are returned. Description The keys() method returns an Iterator object with the keys of an array. The keys() method does not change the original array.
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Array How To Get Key Net Worth 2026: Salary, Income & Wealth Net Worth & Biography
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