Glossary Term
array_change_key_case()
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array_change_key_case() — Changes the case of all keys in an array.
array_change_key_case() — Returns an array with all keys from array lowercased or uppercased. Numbered indices are left as is.
Inputs: array: The array to work on case: Either CASE_UPPER or CASE_LOWER (default)
Returns: Returns an array with its keys lower or uppercased.
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