yiisoft/yii — pull request #2697 by tom-- (2013-07-28 15:23:21+00:00)
Title: Doc of cryptoStrong in CSecMan::generateRandomBytes

As promised, documentation explaining exactly what a user can expect from CSecurityManager::generateRandomBytes() with in either case of $cryptographicallyStrong true or false.

I left out a warning of possible confusion between empty string result and bool false.