Web content is using $phpbb_root_path variable to set the base path instead of web_root_path. This isn't a problem, but it is when using mod rewrite.
This is an example when that can happen:
https://github.com/phpbb-seo/usu/issues/1
I noticed this thanks to Meis2M
- was obsoleted by solution of
-
PHPBB-17141 Empty referrer may result in PHP error in get_web_root_path()
- Closed