Actually... I take that back; I can probably help you. Why don't you show us your code, for starters.
When you say "reference this path through my PHP scripts" - in what capacity? Are you trying to use a PHP reference, e.g.
include_once('../virtual_dir_name/somefile.php');
or an HTTP reference, e.g.
<a href="../virtual_dir_name/somefile.php">Click here...</a>
In either case, you need to use foreward slashes, not backslashes. I believe every Web server works this way - even the shittiest one 😉