Plzz explain "The working of pressure cooker is based on ?" Which law applies here why?

The working of pressure cooker is based on the increase in boiling point of water due to increased pressure inside the cooker. As the heat increases, pressure inside the cooker increases due to which the boiling point of water increases and the food is cooked quickly.

So here gas law applies according to which pressure is directly proportional to temperature. As the temperature increases pressure also increases inside the cooker.