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session_name

(PHP 4, PHP 5)

session_name — Get and/or set the current session name

Описание

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).

Список параметров

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.

Внимание

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.

Возвращаемые значения

Returns the name of the current session.

Примеры

Пример #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 />";
?>

Смотрите также

The session.name configuration directive

session_module_name

session_regenerate_id

Sessions Функции