2016-10-18 14:12 GMT+02:00 Yasuo Ohgaki <yohg...@ohgaki.net>:

> Hi Niklas,
>
> On Tue, Oct 18, 2016 at 9:08 PM, Niklas Keller <m...@kelunik.com> wrote:
> >>
> >> As you can see from last minutes discussion.
> >>
> >> "/dev/urandom cannot be read" is FUD.
> >> It's pure bug fix. (I intentionally made patch easy to extend used
> >> chars, though)
> >>
> >> Would you consider revert the revert?
> >
> >
> > This discussion shows there should be a RFC and a vote. I'd not consider
> > this a simple bug fix, after all it doesn't really fix it.
> >
> > If we want to fix it in core, we'd better include an UUID generation
> > mechanism than fixing uniq_id.
>
> UUID like uniqueness is not the subject of uniqid(), isn't it?
>

UUID = Universally Unique Identifier
uniqid = Generate a unique ID

Where is uniqueness _not_ the subject of uniqid()?


> As I wrote, it's simple bug fix.
>

The issue is that it doesn't fix it. Maybe it band aids. But it doesn't fix
uniqid.

It's exactly why I proposed to better deprecate uniqid. We can do that in
7.2 and provide UUIDs as a standardized and superior alternative.

Regards, Niklas


> ---------------
> The patch committed is pure bug fix.
>
> uniqid() is simply _broken_ because it does not provide expected
> uniqueness due
> to timestamp based php_combined_lcg(). (I added large warning to the manual
> recently, though)
>
> unique id (time stamp) + entropy (timestamp based entropy)
>
> Who argue result is reasonably unique?
> Who don't use NTP to adjust system time?
> ---------------
>
> Regards,
>
> --
> Yasuo Ohgaki
> yohg...@ohgaki.net
>
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