What is mod_php?

Question

While going through a Zend tutorial, I came across the following statement:

Note that the php_flag settings in .htaccess only work if you are using mo

Answer 1

Your server needs to have the php modules installed so it can parse php code.

If you are on ubuntu you can do this easily with

sudo apt-get install apache2

sudo apt-get install php5

sudo apt-get install libapache2-mod-php5

sudo /etc/init.d/apache2 restart

Otherwise you may compile apache with php: http://dan.drydog.com/apache2php.html

Specifying your server OS will help others to answer more specifically.