session_name()

session_name - Get and/or set the current session name

Syntax

string session_name (string $name)

Arguments

• 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.

Description

session_name() returns the name of the current session. If name is given, session_start() will update the session name and return the oldsession name.

Version

PHP 4, 5

Return value

Returns the name of the current session.