Max OS X 10.7.. when i run phing -v i get the following errors:
phing -v
Warning: require_once(phing/Project.php): failed to open stream: No such file or
Or if you don't have access to the server, you can do this:
$root = $SERVER['DOCUMENT_ROOT'];
It'll always reference the root of your project, and you can then reference the folder/file from that. You don't have to touch the server if done that way.