Microsoft Word - Core PHP Programming Using PHP to Build Dynamic Web Sites

There are several example implementations to be found on the Web. Check out David
Sklar's networking section http://px.sklar.com/section.
html?section_id=10. Most of these put functionality into a class and attempt to
incorporate every aspect of the standard. Listing 18.6 contains code that sends email
with multiple attachments using two simple functions. Use this example as a basis for
learning the process, and expand its functionality if necessary.