Comments (3)
Hello,
Thanks, I'm glad you like it!
The solution at the library level is pretty straightforward: for events that have multiple recurrence rules, you can use a RSet
object to combine the rules, and then use getOccurrencesBetween()
to get the occurrences in the time interval. You would have to do that for each event, but if you just want the occurrences and don't need to identify which event they belong too, you could also just make one big RSet
object (though I doubt this is your use case).
From a performance perspective, there isn't much the library can do. You should look at your macro architecture. For example if this is a operation that you have to do frequently (e.g. to display them on a web page or something) but the rules don't change that much, then you should pre-compute and cache the occurrences asynchronously, and only recalculate them when the rules change (again, asynchronously). So displaying the list would always be super fast and wouldn't require any calculation.
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Thanks for your fast response!
I remember having tried the 'big' ruleset in the past, and it was consuming loads of memory, so I went back to calculating every rule separatly. But rulesets per event might work, I'll give it a try.
I'm for now caching and invalidating the HTML output (it's a Drupal application), but yes, I could add another caching layer just for the calculated instances. Good point, I'll think about it.
Best regards,
Boris
from php-rrule.
Depending on what you want to do, it might be worth it to even store the calculated instances in a database (or in some form of structured cache), so you can filter them when you want to retrieve them.
Feel free to close the ticket if I answered your question.
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Related Issues (20)
- Drop support for PHP < 7.3 HOT 2
- Daylight Savings Time issue with PHP 8.1 HOT 13
- How to create Rrule for every day from X to Y? HOT 4
- How to use exdate with byhour? HOT 3
- exRule and addRule conflict HOT 3
- More forgiving DTSTART behavior when using only date for UNTIL HOT 2
- Nested exrules HOT 2
- occursAt sometimes failing HOT 2
- Problem with getOccurrencesAfter HOT 9
- Removing all dates that are inside a DatePeriod from Rset HOT 1
- bi-weekly occurance wrong HOT 3
- dtstart vs. Repeat Dates / Current Time Not Considered in Calculation HOT 5
- humanreadable not so much HOT 2
- Looking for a way to add DTEND HOT 1
- Exrul not working
- Add alias methods for better reading of code HOT 1
- Legacy Code - Can I 'require_once' instead of composer ? HOT 2
- Danish translation file attached
- Typo in french translations for human readable output
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