Now let’s see example of how to use array_change_key_case function in php.

1. Code:

"35","Ben"=>"37","Joe"=>"43");
    print_r(changeKeyCaseOfArrAY($array));
?>

2. Example:

Input:

array("Peter"=>"35","Ben"=>"37","Joe"=>"43")

Output:

Array ( [PETER] => 35 [BEN] => 37 [JOE] => 43 )