PHP Support For Apache2

Make sure you have all the following lines need to uncomment somewhere in your apache2.conf (or in your conf.d/php.ini) file:

LoadModule php5_module modules/libphp5.so

# Cause the PHP interpreter to handle files with a .php extension.
AddType application/x-httpd-php .php

If you want to allow the different index files types check for the following line in /etc/apache2/apache2.conf file

DirectoryIndex index.html index.cgi index.pl index.php index.xhtml index.shtml

Restart the apache server

#service apache2 restart

Sources:

http://www.mysql-apache-php.com

http://httpd.apache.org/docs/1.3/misc/security_tips.html

http://www.debianhelp.co.uk/webserver.htm