= 0 && $switch_port <= 11) { $distance_on_switch = 47; } else if ($switch_port >= 12 && $switch_port <= 35) { $distance_on_switch = 57; } else if ($switch_port >= 36 && $switch_port <= 47) { $distance_on_switch = 47; } $total_length = $server_factor + $distance_to_tor; if ($connection_type == "Cross") { $racks_in_between_meters = $racks_in_between * 0.8; $path_length = 0; switch ($path) { case "A-C": case "B-D": $path_length = 360; break; case "C-B": $path_length = 640; break; case "A-D": $path_length = 530; break; case "C-D": $path_length = 320; break; default: $path_length = 0; } $total_length += $racks_in_between_meters + $path_length + $distance_on_switch + 50; } else { $total_length += $distance_on_switch; } echo "Total cable length is: " . $total_length . " cm"; } ?>