Online PHP editor | output for 1jIW5

<?php /* * Fill in all four below and click the blue 'eval();' button. * ------------------ */ $server_seed = "1e54f598c40ea0ac1a8f94af07113fdd82a9346b1cf764a85c43c33a5d868531"; $public_seed = "1127130323"; $round = "10846323 "; /* ------------------ */ if ($server_seed == '' || $public_seed === "" || $round == '') { echo "Fill in details"; return; } $hash = hash_hmac('sha256', $public_seed . "-" . $round, $server_seed); $decimal_hash = '0'; $length = strlen($hash); for ($i = 0; $i < $length; $i++) { $decimal_hash = bcmul($decimal_hash, '16'); // Multiply by base 16 $decimal_hash = bcadd($decimal_hash, hexdec($hash[$i])); // Add the current digit } // Apply modulo to get the roll $roll = bcmod($decimal_hash, '15'); // Use modulo 15 to get the roll if ($roll == 0) $roll_colour = 'bonus'; elseif ($roll >= 1 and $roll <= 7) $roll_colour = 'orange'; elseif ($roll >= 8 and $roll <= 14) $roll_colour = 'black'; echo("Roll: $roll\nColour: $roll_colour");