Studs MVC Framework+ contains a port of Apache's Jakarta
Struts to PHP, though the libraries included in the rest of the
project are much more vast. In order to implement the
Struts port, it was necessary to build a core, object-oriented
API in the style of the JDK and the Jakarta Commons, a
servlet container to handle HTTP requests and to invoke
servlet classes, and finally, a parsing engine for JSP-style
template pages. In the end, the result is an environment
which is very similar to that provided by a J2EE Web
Container, only everything is implemented in PHP. While it
was possible to carry over many of the concepts, designs
and mechanisms from J2EE, some limitations do exist due to
the nature of the PHP programming language, such as the
lack of checked exceptions (runtime only).
