sahanz/core — comment on commit a18c88f8a5419276ba3c27b8585bd9552e6cdd84
File:  line 0
By mikebranderhorst:

The second argument is null, thus people who made a class extension and extended label method and use the id will get the code broken. Thus that's why I added the custom defined id as well thus not null but ```$this->get_attribute('id', null)```