1608chris Not sure if that solves your specific problem, but:
if PHP function parse_ini_file()
is disabled in your php.ini (see variable disabled_functions
), the following will show up in your web server's error log:
[...] FastCGI sent in stderr: "PHP message: PHP Warning: parse_ini_file() has been disabled for security reasons in /srv/www/wiki/inc/StyleUtils.php on line 100" while reading response header from upstream, [...]
and @ini_background_alt
won't be defined, leading to the error message at the top of this thread.
deleting parse_ini_file
from the disabled_functions
list fixed the problem for me (after restarting php-fpm)
Alternatively, check out the fix at https://www.dokuwiki.org/tips:disabled_functions#parse_ini_file