Get informed by sms to know in real time updates of your timetable based on GPU ( Gestion de Planning Universitaire )
At the moment this project is fully working with FreeMobile phone operator and users. We don't know for others. This script can send you 1 message 10 minutes before each lessons and at the end of the day it send your timetable for the next day.
Using cron on debian, this php script is executed every 5 minutes to insure the notification to be in time.
Put in urls table (parse.php) your url of page which will be called.