Manual:$wgThumbPath

Server URLs and file paths: $wgThumbPath
The base path for thumb_handler.php.
Introduced in version:1.35.1 (Gerrit change 636703; git #df95c45a)
Removed in version:still in use
Allowed values:Unspecified
Default value:false

Details edit

The base path for thumb_handler.php. This is used to interpret the request URL for requests to thumb_handler.php that do not match the base upload path.

This was introduced in MediaWiki 1.36.0 (Gerrit change 636703). It was backported to 1.35.1 (Gerrit change 636798).