Q. What will be the output of the following PHP code?

<?php
    function uppercase($string)
    {
        echo ucwords($string);
    }
    $wow = "uppercase";
    $wow("Time to live king size");
?> 

• (A) Time To Live King Size
• (B) Uppercase
• (C) Time to live king size
• (D) TIME TO LIVE KING SIZE