bruce wrote:
> hey shawn...
>
> strtotime (or something similar) might just work
>
> i'll always know the interval... which can be used to compute the nexttime,
> which then becomes the next starttime...
>
> i'm assuming there's an equally simple way to find the last day of a given
> month if i choose that as an interval as well..
If you search, there are 100s of ways to do these types of things.
Check the date/time functions. There are many and many ways to use
theme. Here is one:
date('t', strtotime("$year-$month-01"));
> for my initial needs.. this might work.. until i free up time to actually
> craft a more generic solution, independent of the underlying language/os..
>
> thanks
>
>
>
> for next month.. and the start
>
> -----Original Message-----
> From: Shawn McKenzie [mailto:nospam@xxxxxxxxxxxxx]
> Sent: Friday, May 29, 2009 2:48 PM
> To: php-general@xxxxxxxxxxxxx
> Subject: 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
>
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>
--
Thanks!
-Shawn
http://www.spidean.com
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