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session_name
Get and/or set the current session name
(PHP 4, PHP 5)
string session_name ( [string name] )
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.
Warning:The session name can't consist of digits only, at least one letter must be present. Otherwise a new session id is generated every time.
Examples
Example 2225. session_name() example
<?php
/* set the session name to WebsiteID */
$previous_name = session_name("WebsiteID");
echo "The previous session name was $previous_name<br />";
?>
| The session.name configuration directive |