yiisoft/yii — pull request #3202 by pawzar (2014-02-04 22:07:15+00:00)
Title: Adding support for the X-HTTP-Method-Override header.

If a firewall does not allow PUT or any other methods, one can use POST or GET with an additional header: `X-HTTP-Method-Override: PUT`. I think it is a good feature before yii2 becomes "stable".