Remove an undefined warning when not yet logged in
DokuWiki would generate warnings at the top of every page with PHP 8.2 due to referencing a possibly undefined array entry. This expands the check for whether the items in the array exist or not.
DokuWiki would generate warnings at the top of every page with PHP 8.2 due to referencing a possibly undefined array entry. This expands the check for whether the items in the array exist or not.