Question: Write a PHP function that accepts an array as an argument and after changing all the array's values to uppercase returns the new array.

Write a PHP function that accepts an array as an argument and after changing all the array's values to uppercase returns the new array. Sample array: SColor - array('a' -> 'Blue', 'B' => 'green', 'e'=> 'Red'); Expected Output: Array ( [a] => BLUE [B] => GREEN [c] => RED)

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