This presentation is an overview of Intacct's original concept and design, and demonstrates Intacct's core component architecture. The components are reusable and extensible classes designed to facilitate rapid development by driving the presentation and database access layers. In addition to showing how these components are used in Intacct's application, we'll also build a small sample application so that audience members gain a clear understanding of why and how to use these components. We'll detail our own experiences building these components, look at what challenges PHP's design poses in an application framework, touch on some of the steps a developer can take to work around them, and close with some ideas about what direction we, as hosted application developers, would most like to see PHP development take.