2009/5/29 bruce <bedoug...@earthlink.net>: > hey shawn... > > on the strtotime function... it appears to simply take intervals of a string > type.. > > is there a way to have it take intervals of the number of secs? or is there > another time function that takes the current date/time, and allows you to > add an interval in secs?
$timestamp = time() + $num_secs; -Stuart -- http://stut.net/ > -----Original Message----- > From: Shawn McKenzie [mailto:nos...@mckenzies.net] > Sent: Friday, May 29, 2009 2:48 PM > To: php-general@lists.php.net > Subject: [PHP] Re: Numerical Recipe - Scheduling Question > > > bruce wrote: >> Hi.. >> >> Got a need to be able to allow a user to specify the frequency to run >> certain apps/processes.. I need to be able to have the user specify a > start >> Time, as well as a periodic frequency (once, hourly, daily, weekly...) as >> well as allow the user to specify every XX minutes... >> >> So i basically need to be able to determine when the future >> events/occurances are, based on the user input. >> >> I've searched the net for alogorithms dealing with scheduling and haven't >> come up with any php based solutions.. I've also looked at numerical > recipes >> and some other sources (freshmeat/sourceforge/etc..) with no luck.. >> >> I have found an approach in another language that I could port to php.. > But >> before I code/recreate this, I figured I'd see if anyone here has pointers >> or suggestions... >> >> Cron doesn't work for me, as it can run a process at a given time.. but it >> doesn't tell me when the next 'X' occurance would be... >> >> Thoughts/Comments.. >> >> Thanks >> > > This is confusing. When and where do you need to "be able to determine > when the future events/occurances are"? You need to display this after > the user schedules the app/process or an admin needs to login and see > this at any given time? > > Regardless it is easy with the PHP time/date functions. Once you've > collected and stored the start/stop times and interval, something > similar to: > > $interval = "1 week"; > > $next = $start_time; > while ($next <= $end_time) { > $next = strtotime("+$interval", $next); > echo date(DATE_RFC822, $next) ."\n"; > } > > > -- > Thanks! > -Shawn > http://www.spidean.com > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > > -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
