PEAR::DB_DataObject performs 2 tasks:
1. Builds SQL statements based on the objects vars and the builder methods.
2. acts as a datastore for a table row.
The core class is designed to be extended for each of your tables so that you 
put the data logic inside the data classes.
included is a Generator to make your configuration files and your base classes.

WWW: http://pear.php.net/package/DB_DataObject/