cakephp/cakephp — pull request #800 by bar (2012-08-28 01:22:33+00:00)
Title: Refactor Validator::decimal() to be more flexible with decimal separators and PHP magic. Lots of testing added.

From:

https://github.com/cakephp/cakephp/commit/b75a6b440abfbaf7af3ef82dd19eb4aff4be5847#commitcomment-1767646