JohnDoh,
SQL Version is: 8.0.17-0ubuntu2
PHP Version returned by php -v is:
php -v
PHP 7.3.11-0ubuntu0.19.10.1 (cli) (built: Oct 24 2019 11:38:49) ( NTS )
Copyright (c) 1997-2018 The PHP Group
Zend Engine v3.3.11, Copyright (c) 1998-2018 Zend Technologies
with Zend OPcache v7.3.11-0ubuntu0.19.10.1, Copyright (c) 1999-2018, by Zend Technologies
I didn't look at the PHP side of things as I am just following a procedure to set up Roundcube webmail on a server. I must admit to thinking the issue was more to do with MySQL than PHP.
Siv