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Syntax for: Arrays / Change Case 

1:
2:
3:
4:


<?

$input_array = array("FirSt" => 1, "SecOnd" => 4);

print_r(array_change_key_case($input_array, CASE_UPPER));

?>
 
Description for: Arrays / Change&nbsp;Case
  Change the case of Array key values

Resulting Printout:
Array
(
[FIRST] => 1
[SECOND] => 2
)


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