Sometimes Java hosting clients need ability to combine their Java code with PHP code. This is sometimes done by leaving PHP code in a directory under Apache Document Root (e.g. ~/public_html/drupal) and excluding requests to it from being passed to a Java application server e.g. Tomcat. It is helpful in separating Java and PHP applications running within 1 hosting account and static data like images, CSS, JavaScript. But there are cases when you need much closer integration of Java and PHP...