I'm currently using the old version of phplist (2.10.19). I would like to test the new version (3.0.6) but don't want to upgrade the old version just yet, since I've tweaked my current installation quite a bit and am not sure if the new version provides the same functionality.
Therefore I'm wondering if it is possible to install the new version alongside the old version on the same server? If so, is there something I have to pay attention to in order not to tamper with the old installation?