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Recently moved my CiviCRM install to a server running Debain 10 which brings:

  • php7.3
  • MariaDB 10.3.17

Everything seems to be working fine, except that in the system checks I'm now seeing this error/warning:

PHP MySQL Driver (libmysqlclient)

It is recommended, though not yet required, to upgrade your PHP MySQL driver (libmysqlclient) to >= 5.5.3 for utf8mb4 support.

The check seems to get its info from mysqli_get_client_info which on my server emits the following:

mysqlnd 5.0.12-dev - 20150407 - $Id: 7cc7cc96e675f6d72e5cf0f267f48e167c2abb23

This is surprising - 5.0?! What to do?

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  • This came up in labs a few months ago but was resolved (lab.civicrm.org/dev/core/issues/1136). But I don't have any insight as to what's different here. Is there anything in that ticket that helps?
    – Demerit
    Sep 13, 2019 at 12:44

1 Answer 1

Reset to default
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Thanks to @Dermerit, the answer seems to be to upgrade!

This code change: https://github.com/civicrm/civicrm-core/pull/14864/files

Seems to have removed the erroneous warning.

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