EllisLab/CodeIgniter — pull request #2243 by chrispassas (2013-02-13 16:52:46+00:00)
Title: Update system/core/Log.php

Updated Log.php so that a developer can extend it and change the log file extension.

It makes sense to default to .php when logs are in the public web folder. It would be nice if a developer moves the log file path we have the option to use a standard extension like .log