What will be the output of the following PHP code ?<?phpfunction

What will be the output of the following PHP code ?

<?php
function Res($p,$q)
{
    $p = 7;
    $q = 8;
    $r = $p + $q / $q + $p;
    echo "$r";
}
Res(8, 7); 
?>

1. 7
2. 8
3. 15
4. Error
5. None of these

Correct Option: C

Value 8, 7 is passed to the function but that is lost because p and q are initialised to 7 and 8 inside the function. Therefore we get the given result.

PHP Variables

PHP

Correct Option: C