Re: Fwd: Monotonic Time

On 04/01/17 13:58, Niklas Keller wrote: > Resending previous mail, because mail distribution was broken... > > Morning Internals, > > PHP doesn't currently have a way to access a monotonic time. There's a > feature request in the bug tracker: bugs [dot] php [dot] > net/bug.php?id=68029 > > A monotonic time is required to measure time intervals correctly, e.g. for > implementing event loops based on stream_select. microtime() is affected by > NTP and leap seconds and can therefore not be reliably used for measuring > time intervals. > .. > There's an existing PECL extension named hrtime: php [dot] > net/manual/en/book.hrtime.php > > I think we can reuse parts of it to implement a function in core to access > a monotonic time, I don't think we need to merge the extension into core. > > What do you think about adding such a function to the PHP core? +1? Actually, it seems, that hrtime doesn't let you access the current value, which is, well, quite a major use case, isn't it? -- Regards, Mike

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