PHP 매뉴얼
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# session_cache_expire

(PHP 4 >= 4.2.0, PHP 5)

session_cache_expire -- Return current cache expire

## Description

int session_cache_expire ( [int new_cache_expire])

session_cache_expire() returns the current setting of `session.cache_expire`. The value returned should be read in minutes, defaults to 180. If `new_cache_expire` is given, the current cache expire is replaced with `new_cache_expire`.

The cache expire is reset to the default value of 180 stored in `session.cache_limiter` at request startup time. Thus, you need to call session_cache_expire() for every request (and before session_start() is called).

예 1. session_cache_expire() example

`<?php
/* set the cache limiter to 'private' */
session_cache_limiter('private');
$cache_limiter = session_cache_limiter();
/* set the cache expire to 30 minutes */
session_cache_expire(30);
$cache_expire = session_cache_expire();
/* start the session */
session_start();
echo "The cache limiter is now set to $cache_limiter</ br>";
echo "The cached session pages expire after $cache_expire minutes";
?>`

> 참고: Setting `new_cache_expire` is of value only, if `session.cache_limiter` is set to a value different from `nocache`.

See also the configuration settings session.cache_expire, session.cache_limiter and session_cache_limiter().

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Session Handling Functions | 위로 | session_cache_limiter