IF I HAVE A 5 DAY PHP AND ENTER A PARK BUT DO NOT GET MY HAND STAMPED ON THE WAY OUT AND WISH TO RE-ENTER THE SAME PARK LATER IN THE EVENING, WHEN THEY SCAN MY PASS AGAIN WILL IT COUNT AS 2 DAYS OF PARK USE? IS IT A MUST TO HAVE YOUR HAND STAMPED ON THE WAY OUT IF YOU PLAN ON COMMING BACK TO THE SAME PARK LATER ON IN THE DAY?