Obtaining the Software
The first step is to make sure that you have all the software you need. Here is your shopping list:
The most important item is, obviously, PHP itself. The PHP (version 4.1.0 or better) source code distribution is available from http://www.php.net/.
If you intend to run PHP as an Apache module (recommended), you’ll also need the Apache web server. Apache (version 1.3.20 or better) source code is available from http://www.apache.org/.
In order to activate PHP’s DOM and XSLT support, you also need a few external libraries:
The zlib library (version 1.1.3 or better) is available from http://www.gzip.org/zlib/.
The expat library (version 1.95.2 or better) is available from http://sourceforge.net/projects/expat/.
The GNOME XML library, ...
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