What's actually stored on the server when using sessions?
I've built a content management system on a commercial host, PHP 4.3.2,
Apache 1.3.28, and use session_save_path() to specify a directory. When
someone logs in, I check the username and password against the database, and
save username as a session variable -- $valid_user = $username;
session_register("valid_user"); If I examine the directory specified by
session_save_path(), I see something like "sess_4f5d...0367". Where's the
session variable "valid_user"? Is it an array element of "sess_whatever", or
are session variables stored in memory with only the ID stored on the
A related question -- I ...