wamp determines a project to be a folder within your www folder.
i.e.
C:\
wamp\
www\
project1\
index.php
project2\
index.php
will have two projects...
The wamp homepage isn't necessary to view your php files...
If you have a file at C:\wamp\www\runme.php you can go to the URL http://localhost/runme.php to run your script.
If http://localhost/ isn't displaying the wamp local homepage, make sure wamp is running, the icon is in your task bar and white (Thanks JohnP).
