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convert_to_alt_caps

Language/Type: PHP string return

Write a function named convert_to_alt_caps that accepts a string as a parameter and returns a version of the string where alternating letters are uppercase and lowercase, starting with the first letter in lowercase. For example, the call of convert_to_alt_caps("Pikachu") should return "pIkAcHu".

Function: Write a PHP function as described, not a complete program.

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