Here are the best practices you should note in the development of your own profiles, referring to the preceding LAMP stack as an example:

• Design for use of the include keyword
• Use subdirectories for sensible, readable profile class groups
• Hide complexity with parameters, defaults, and abstraction
• Decide how to set the parameters for component classes
• Decide to use either automatic class parameter lookup or the lookup function

Let's examine each of these best practices now in turn.