Use various tools to automate creating documentation/diagrams of different aspects of project. aka uml, php process flow, customer usage, etc. On dev box, test

Use various tools to automate creating documentation/diagrams of different aspects of project. aka uml, php process flow, customer usage, etc. On dev box, test out/validate assumptions of various modules / interactions noted above. Should be able to get a feel for code & how being used (internally & externally) for ideas on how to approach end question.