PHP One-Time Passwords News
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cascaval666
Version 2.x.x now uses namespaces and exceptions. You would have to alter your code if you wanted to replace the 1.x.x version. If you don't, just stay with the older version as there haven't been any other major improvements or fixes.
One tweak of the initializeOtp() method and a couple of changes in the readme.txt.
There is a new WordPress plugin (created by Marcel Bokhorst) that uses this class for an OTP authentication:
http://wordpress.org/extend/plugins/one-time-password/
One bugfix, a couple of small tweaks and mainly additional method descriptions in the readme.txt.
I'm currently writing a documentation and testing the class. I suppose that I'll upload first version in the following few days.