The previous chapters have taken you on a wide-ranging tour of the most popular and useful areas of the Apache API. But we're not done yet! The Apache API allows you to customize URI translation, logging, the handling of proxy transactions, and the manner in which HTTP headers are parsed. There's even a way to incorporate snippets of Perl code directly into HTML pages that use server-side includes.
We've already shown you how to customize the response, authentication, authorization, and access control phases of the Apache request cycle. Now we'll fill in the cracks. At the end of the chapter, we show you the Perl server-side include system, and demonstrate a technique for extending the Apache Perl API by subclassing the Apache request object itself.