Fedora Servers :: LAMP Configuration - Strange PHP INI File

My installation went fine. Apache, PHP, and MYSQL all work independently. My trouble getting PHP to serve MySQL content. The first thing I did was look in the PHP.INI file to check that it was set up correctly. Then I discovered my install of PHP does not have the expected directives, namely extension_dir or any DLL comments where I can enable MYSQL. Instead my config file has a PHP.D directory. In that directory there are no files for MYSQL. I look at the PHP.net site and I can't find any info on how to write this file. And there's the issue of the missing extension_dir directive.

As I said, I visited the PHP.net site and could not find any specific manual pages explaining this change to PHP 5.2.11. I downloaded "the latest php.ini" development file from the site. As near as I can tell its for PHP 6.0.0 and it does have the extension_dir directive, and it still uses the DLLs in Dynamic Extensions section. (EDITED= The introduction of the PHP.INI file doesn't give a version number, however later under error handling there is a note: "as of PHP 6.0.0"). Why I can't find more information about this on any forum or at PHP.net?