Q. What is the result of the following PHP code?
Code:
<?php
$age = array("alex"=>"18", "bob"=>"25", "emily"=>"55");
print_r(array_change_key_case($age, CASE_UPPER));
?>
-
(A)
Array([Alex] => 18, [Bob] => 25, [Emily] => 55)
-
(B)
Array([ALEX] => 18, [BOB] => 25, [EMILY] => 55)
-
(C)
Array([alex] => 18, [bob] => 25, [emily] => 55)
-
(D)
None of the above
✅ Correct Answer: (B)
Array([ALEX] => 18, [BOB] => 25, [EMILY] => 55)