yiisoft/yii — pull request #1005 by cebe (2012-07-20 17:58:30+00:00)
Title: added CCombinedLogFilter

CCombinedLogFilter allows you to attach multiple log filters to a log
route. Solves the 3rd problem described in issue #684 and first of #721.

Main reason for not changing filter property to filters is backwards
compatibility. yii 2 should allow multiple filters by design.