I noticed that I had a project named RemoteSystemTempFiles which I never have created. After googling it seems to be plugin feature on eclipse, but didn\'t got any other idea of
I had a similar issue when using the Javascript perspective. By default on the left side it has a 'Script Explorer' instead of a 'Project Explorer'. It seems it was by default showing the files in the workspace instead of just the projects. I imagine it is the same with the PHP perspective.