O'Reilly Network articles about this topic:
Apache's eXtended Server Side Includes
In the early days of web publishing, SSI was an easy way to include dynamic content in pages. Though large server-side application frameworks have more popularity, SSI lives on--especially in Apache XSSI. Kostas Pentikousis demonstrates how XSSI makes it possible to build powerful, clean, maintainable, and fast web sites.
The PHP Configuration File
Darrell Brogdon explains how the php.ini file works.
Installing PHP on a Windows System
Darrell Brogdon explains the steps required to install PHP on a Windows system.
Basic Installation of PHP on a Unix System
Need a powerful replacement for ASP web scripting? Darrell Brogden walks us through compiling and installing PHP, an open source web scripting language that you can embed into HTML.
Other documents about this topic:
Below are other references available on the web for this topic. Since other sites may change their links, please if you find any that may need to be updated.
The Idiot's Guide to Solving Perl CGI Problems
A useful checklist for a few simple questions that need answering. While some sample answers are provided, you'll have to figure them out on your own.
Apache Server FAQs: Dynamic Content (CGI and SSI)
Frequently asked Apache CGI and SSI questions. [Source: Apache.org]
CGI Programming MetaFAQ
The Common Gateway Interface, or CGI, defines how clients and servers interact with external processes. This guide is a collection of resource pointers. Should you have a question, it is most likely answered in one of the these resources. [Source: Perl.org]