Double? Integer? — PHP

Question

The following code generates two random decimal values, then subtracts them to get $c.

$a = mt_rand(5, 75);
$b = mt_rand(5, 75);
$adjuster = mt_rand         


        

Answer 1

A double subtracting a double results in a double, even if that number is a whole number

$c = (int) ($b - $a);