PHP – How to Implement in case of Hotel booking, BOOK ROOM for 4 Night & GET 1 Night FREE?

QuestionsCategory: PHPPHP – How to Implement in case of Hotel booking, BOOK ROOM for 4 Night & GET 1 Night FREE?
Roboto asked 2 weeks ago

How to Implement in case of Hotel booking, BOOK ROOM for 4 Night & GET 1 Night FREE?
In PHP, I want to Implement , On Booking a hotel room. When a User books a room for 4 days  then He will get 1 night Free of Cost.