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<?php $x = array('Lol' => 1, 'dDkDAs' => 'dsafdaDAFa'); var_dump(array_change_key_case($x, CASE_UPPER));
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { ["LOL"]=> int(1) ["DDKDAS"]=> string(10) "dsafdaDAFa" }

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