[RndTbl] PHP undefined vars / array indices

[Gilbert E. Detillieux]

And further to the RTFM recommendation...

https://www.php.net/manual/en/errorfunc.configuration.php#ini.error-log

rsyslog.conf(5) FILTER CONDITIONS section

https://www.thegeekdiary.com/etc-rsyslog-conf-setup-a-filter-to-discard-or-redirect-messages/
https://kifarunix.com/a-basic-introduction-to-rsyslog-filters/2/
https://www.usenix.org/system/files/login/articles/06_lang-online.pdf

Gilbert

On 2022-01-24 10:30 a.m., Gilbert E. Detillieux wrote:
> On 2022-01-22 1:58 a.m., Trevor Cordes wrote:
>> On 2022-01-19 Gilbert E. Detillieux wrote:
>>> I'd hold off on making/maintaining your own fork until such a time
>>> the PHP brain-trust actually raises things from a warning to an
>>> error.  In the meantime, if you're logging using rsyslog, it would be
>>> fairly easy to add a one-line filter rule to eliminate the
>>> needlessly-noisy warning messages.  No more full logs, and no more
>>> actual serious warnings getting lost like a needle in the haystack!
> ...
>> As for your log-filtering idea: it may be the easiest way out for now.
>> However, PHP by default currently logs straight to file.  I'm sure
>> there's a syslog option I'll have to explore.  I guess it'll add some
>> overhead, but it shouldn't be too much.  I didn't know (r)syslog had a
>> filtering option beyond the level-filtering!  So does it allow string
>> search or regex or something?  Have you used this in the past?  A quick
>> example?
> 
> It's been a while since I looked into rsyslog filtering (which isn't 
> found in the original syslogd), so I'd recommend you RTFM...  But here's 
> an example I did set up some time ago to suppress messages from an 
> overly-chatty Avahi daemon...
> 
> /etc/rsyslog.d/avahi.conf:
> 
> # Not interested in this noise from avahi...
> if $programname == 'avahi-daemon' and $msg contains 'Invalid response 
> packet from host' then ~
> if $programname == 'avahi-daemon' and $msg contains 'with invalid source 
> port' then ~
> if $programname == 'avahi-daemon' and $msg contains 'Packet too short or 
> invalid' then ~
> if $programname == 'avahi-daemon' and $msg contains 'Invalid legacy 
> unicast query packet' then ~
> 
>> Thanks for the input!
> 
> You're welcome!
> 
> Gilbert

-- 
Gilbert E. Detillieux        E-mail:  <gedetil at cs.umanitoba.ca>
Dept. of Computer Science    Web:     http://cs.umanitoba.ca/~gedetil/
University of Manitoba
Winnipeg MB CANADA  R3T 2N2
For best service, contact <cstech at cs.umanitoba.ca>.