If an extension callback changes, errors are throw when Extension::notify() function is called. Checking it is callable first
If an extension callback changes, errors are throw when Extension::notify() function is called. Checking it is callable first

embarknow/journey-cms,psychoticmeow/journey-cms,symphonycms/symphony-3,psychoticmeow/journey-cms,embarknow/journey-cms,symphonycms/symphony-3,embarknow/journey-cms,embarknow/journey-cms,psychoticmeow/journey-cms,psychoticmeow/journey-cms,embarknow/journey-cms,psychoticmeow/journey-cms