Q. What is the output of the following?
<?php
$a = 'Hello';
$b = &$a;
$b = 'World';
echo $a;
?>
Code:
$a = 'Hello';
$b = &$a;
$b = 'World';
echo $a;
-
(A)
World
-
(B)
Hello
-
(C)
Error
-
(D)
Nothing
✅ Correct Answer: (A)
World
Explanation: Assigning by reference means both variables point to the same data.