Fix a potential source of PHP errors when saving per-log settings. Fixes #9540
While here, fix save descriptions.
(cherry picked from commit 303641f8283016a88f53c7743c962e16ba683579)
Fix a potential source of PHP errors when saving per-log settings. Fixes #9540
While here, fix save descriptions.
(cherry picked from commit 303641f8283016a88f53c7743c962e16ba683579)