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Website Programming in PHP / MYSQL
session_name
(PHP 4, PHP 5)
session_name — Get and/or set the current session name
Description
session_name() returns the name of the current session.
The session name is reset 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).
Parameters
- name
-
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). If name is specified, the name of the current session is changed to its value.
WarningThe session name can't consist of digits only, at least one letter must be present. Otherwise a new session id is generated every time.
Return Values
Returns the name of the current session.
Examples
Example #1 session_name() example
<?php
/* set the session name to WebsiteID */
$previous_name = session_name("WebsiteID");
echo "The previous session name was $previous_name<br />";
?>
