(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)
session_cache_expire — Get and/or set current cache expire
$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).
value
If value is given and not null, the current cache
expire is replaced with value.
Note: Setting
valueis of value only, ifsession.cache_limiteris set to a value different fromnocache.
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.
| Version | Description |
|---|---|
| 8.0.0 |
value is nullable now.
|
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";
?>