Sanitize all user inputs to prevent Cross-Site Scripting (XSS).
When a user clicks "Book Now", pass the vehicle_id via GET. Prefill hidden fields in a booking form. The customer selects "From Date" and "To Date". Calculate the number of days and total amount ( days * price_per_day ). Validate if the car is already booked for those dates: car rental php project with source code
Users can track their past and current reservations. Sanitize all user inputs to prevent Cross-Site Scripting