Руководство по PHP
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# session_destroy

(PHP 4 , PHP 5)

session_destroy -- Destroys all data registered to a session

## Description

bool session_destroy ( void )

session_destroy() destroys all of the data associated with the current session. It does not unset any of the global variables associated with the session, or unset the session cookie.

In order to kill the session altogether, like to log the user out, the session id must also be unset. If a cookie is used to propagate the session id (default behavior), then the session cookie must be deleted. setcookie() may be used for that.

Возвращает `TRUE` в случае успешного завершения или `FALSE` в случае возникновения ошибки.

Пример 1. Destroying a session with $_SESSION
`<?php // Initialize the session. // If you are using session_name("something"), don't forget it now! session_start(); // Unset all of the session variables. $_SESSION = array(); // If it's desired to kill the session, also delete the session cookie. // Note: This will destroy the session, and not just the session data! if (isset($_COOKIE[session_name()])) { setcookie(session_name(), '', time()-42000, '/'); } // Finally, destroy the session. session_destroy(); ?>`

> Замечание: Only use session_unset() for older deprecated code that does not use $_SESSION.

See also unset() and setcookie().

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session_decode | Уровень выше | session_encode