Overriding plugin renderer moodle

Question

I have site running Moodle 2.9.3+ and i was trying to customize the renderer of one existing plugin, so i found this:

How to override a renderer such that the functi

Answer 1

Hmmm are you sure there isn't an error in the script inclusion? If you have error_reporting off in your ini settings you won't see the E_WARNING PHP might be raising. Set this to on, or use require_once() instead. See the accepted response to this SO post for the differences: Difference between require, include and require_once?