Description
string session_name ([string
name])
session_name() returns the name of the current
session. If name is specified, the name of
the current session is changed to its value.
The session name references the session id in cookies and
URLs. It should contain only alphanumeric characters; it should
be short and descriptive (i.e. for users with enabled cookie
warnings). The session name is resetted to the default value
stored in session.name at request startup
time. Thus, you need to call session_name()
for every request (and before session_start()
or session_register() are called).
Example 1. session_name() examples
<?php
# set the session name to WebsiteID
$previous_name = session_name ("WebsiteID");
echo "The previous session name was $previous_name<p>";
?>
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Note:
This function was added in PHP 4.0.
