Yes, my OpenID 2.0 PHP5 Consumer has finally been proposed to PEAR. This brings the OpenID fanaticism on PEAR to four packages: OpenID_Consumer, Services_Yadis, Crypt_HMAC2, Crypt_DiffieHellman.

He'll be working to get the code "further up to par" including Nonce validation, more consistent error reporting and other operation modes (like check_immediate). He's also included a screencast in the post for those not familiar with OpenID to get their first dose.