|If a user visits the current page in the browser, this
user’s browser receives a so-called session cookie
for the duration of his visit from the web server, which remains in the
temporary files of the browser. In this cookie, one
can enter a short piece of textual information, consisting of the cookie
name and the cookie value.
In addition to this session cookie, for each user an individual session object will be created on the web server. The session object saves all session variables, which can be defined and read by the page during the user’s visit.