Tutorial showing how to setup up and run the free eclipse GUI development software for PHP development. (PDT Plugin)
This process is the same on Eclipse Luna it hasn't changed.
1. Download Eclipse Standard
http://www.eclipse.org/downloads/
2. Extract and unzip to programs folder location.
3. Download and install Java Run Time Enviroment.
http://www.oracle.com/technetwork/jav...
4. Add PHP PDT Tools add on for PHP development.