session_cache_expire

(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)

session_cache_expireGet and/or set current cache expire

Description

session_cache_expire(?int $value = null): int|false

session_cache_expire() returns the current setting of session.cache_expire.

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

Parameters

value

If value is given and not null, the current cache expire is replaced with value.

Note: Setting value is of value only, if session.cache_limiter is set to a value different from nocache.

Return Values

Returns the current setting of session.cache_expire. The value returned should be read in minutes, defaults to 180. On failure to change the value, false is returned.

Changelog

Version Description
8.0.0 value is nullable now.

Examples

Example #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";
?>

See Also

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