e.g.
<?
include("folder_level1/folder_level2/filename");
?>
the first e.g. is
for the case where
the file you want to include is
/www/folder_level1/folder_level2/filename.inc
and you want to use a include the file in a file (you-are-here)
/www/you-are-here.php
----or ---
just in case I got your question wrong
e.g.
<?
include("../../filename.inc");
?>
/www/folder_level1/folder_level2/you-are-here.php
and you want to include a file (filename)
/www/ filename.inc
