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List: horde
Subject: Re: [horde] utf8 is not supported by MySQL
From: Ralf Lang <ralf.lang () ralf-lang ! de>
Date: 2022-08-17 7:10:45
Message-ID: 21125541-d3a6-4069-7daf-d42c813d331b () ralf-lang ! de
[Download RAW message or body]
Am 16.08.2022 um 23:11 schrieb Ralf Lang:
>
> Hi,
>
> Am 16.08.22 um 21:14 schrieb Mike Gabriel:
> > Hi,
> >
> > On Di 26 Jul 2022 17:45:00 CEST, Arjen de Korte wrote:
> >
> > > Citeren Ferdinand Gruber <fer.grub@yahoo.de>:
> > >
> > > > I get this message utf8 is not supported by MySQL after login to my
> > > > horde site.
> > > >
> > > > This message appears after I upgraded from openSUSE 15.3 to 15.4.
> > > >
> > > > I suspect it has something to do with the database version
> > > >
> > > > In Suse 15.3 the MariaDB version was 10.6.16
> > > > In Suse 15.4 the MariaDB version is 10.6.7
> > > >
> > > > I think this might be the reason of the error.
> > > >
> > > > What can I do?
> > >
> > > Change
> > >
> > > $conf['sql']['charset'] = 'utf8';
> > >
> > > to
> > >
> > > $conf['sql']['charset'] = 'utf8mb3';
> > >
> > > in your 'horde/config/conf.php' file.
> >
> >
> > Or apply this (partial) patch to Horde_Db:
> > https://salsa.debian.org/horde-team/php-horde-db/-/blob/debian-sid/debian/patches/1012_php8.1.patch#L487 \
> >
> >
> > (where I default to utf8mb4)
> >
> I am strictly and strongly in the utf8mb4 camp. utf8mb3 has proven to
> be unsuitable for modern calendaring.
>
> https://www.ralf-lang.de/2022/08/15/maintaina-horde-utf-8-on-php-8/
>
> https://www.ralf-lang.de/2021/01/27/davx5-caldav-may-break-with-unicode-symbols-in-horde-kronolith-syncs/
>
> That said, the issue is a bit larger. The encoding config is read and
> used verbatim in places where you don't expect it - and depending on
> which extension is handling your character conversions (iconv,
> mbstring) and which PHP version is run on which OS version, you can
> run into trouble.
>
> https://lists.horde.org/archives/dev/Week-of-Mon-20220801/029567.html
>
> PHP 8 mbstring does no longer silently tolerate/ignore encoding names
> it does not understand
>
> https://www.php.net/manual/en/function.mb-convert-encoding.php
>
>
>
> 8.0.0 *mb_convert_encoding()* will now throw a ValueError
> <https://www.php.net/manual/en/class.valueerror.php> when
> > to_encoding| is passed an invalid encoding.
> 8.0.0 *mb_convert_encoding()* will now throw a ValueError
> <https://www.php.net/manual/en/class.valueerror.php> when
> > from_encoding| is passed an invalid encoding.
>
>
> I've been looking for an appropriate place to put a reusable
> lookup/conversion between db-specific encoding names and official
> encoding names. My first hotfix went against the horde/share library
> but this is not appropriate in the longer term.
>
> https://github.com/maintaina-com/Share/commit/cb1db22efb480cd371c30aa5f22fd1383b28fb15
>
The prefs store is the next item that breaks in PHP 8.1+ if you encode
as "utf8mb4" - However works fine in PHP 7.4.
I will do the needed work...
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