RE: [PHP] Algorithm....

Hiya, Work out the start array position, keep incrementing by 1 until you find a "yes" From this you'll know the allowable end times. HTH Martin > -----Original Message----- > From: Bob Eldred [mailto:bobathome@aqfl.com] > Sent: Tuesday, 17 February 2004 4:04 PM > To: php-general@lists.php.net > Subject: [PHP] Algorithm.... > > > I'm working on a calendaring script right now, and am stuck on a > programmatic way to figure something out. > > Basically, the work day is broken down into 15-minute > intervals, where the > value of a given interval can be figured as $hour=floor($i/4) and the > minutes can be figured as $minutes=($i%4)*15. So 32 = 8:00, > 33=8:15, etc. > > Currently, it's relatively easy to pull up a day, and block > out those times > that are already taken up with appointments. I'm throwing > them all into an > array ($available_times). So, that array would look like: > > 32=>yes > 33=>yes > 34=>yes > 35=>yes > 36=>no > 37=>no > 38=>yes > 39=>yes > > etc, for someone who has a meeting from 9:00 to 9:30. > > Now, what I'm trying to do is check when they schedule a new > meeting so that > they don't overlap their times with something that's already > taken up. So, > in the array given above, if they select 8:30 as the start > time, I'd like > them to be able to select 8:45 or 9:00 as the end time, but > nothing later > than that, as the time from 9:00 to 9:30 is already taken up. > > And I'm stuck trying to figure out an approach to this. > Preferably one that > I can throw into javascript so they can fix their errors > before it ever hits > the server. > > Any help appreciated. > > Bob > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > __________ Information from NOD32 1.617 (20040206) __________ > > This message was checked by NOD32 for Exchange e-mail monitor. > http://www.nod32.com > > > >