PHPBaseClasses is a multi-tier and fully object-oriented set of base classes written for and in PHP. Currently the storage tier is SQL only, but supports multiple databases, including any ODBC database, MsSQL (SyBase), MySQL, and PostgreSQL. It includes classes for drawing graphs, creating forums (news, bulletin boards), items, sales, links, users, and authentication. It includes API-documentation in XML and a UML Dia scheme.