EllisLab/CodeIgniter — pull request #761 by robelkin (2011-12-09 17:18:23+00:00)
Title: Added a property_exists around the call to find the value of a property ...

...in the base model in __get.

This will prevent notices being raised for properties that don't exist
in the model. This way, you can override the getter to access your own
properties, and still make a call to the base model as a final
fallback, and not get a notice.