Configuring <application><acronym>PHP</acronym></application>
Config files
/etc/php.ini,
/etc/pear.conf
Configuration Information
To enable PHP support in the Apache web server,
a new AddType directive must be added to the
httpd.conf file:
AddType application/x-httpd-php .php
Also, it can be useful to add an entry for index.php to the
DirectoryIndex directive of the httpd.conf
file.