session
English [ˈseʃn] US [ˈsɛʃən]
n. Meeting, meeting; (court) session; session, semester; (carrying out an activity Continuous) a period of time
cache
英[kæʃ] 美[kæʃ]
n. Hiding place; hiding place; hidden treasure ;<Computer>Quick buffer storage area
vt.storage
vi.hide
php session_cache_expire() function syntax
Function:Return the expiration time of the current cache
Syntax: int session_cache_expire ([ string $new_cache_expire ] )
Parameters:
| Parameter | Description |
| new_cache_expire | If given new_cache_expire, use the value of new_cache_expire to set the current cache expiration time. |
Description: session_cache_expire() returns the setting value of session.cache_expire. When the request starts, the cache expiration time will be reset to 180 and stored in the session.cache_expire configuration item. Therefore, for each request, session_cache_expire() needs to be called before the session_start() function is called to set the cache expiration time.
php session_cache_expire() function example
<?php
/* 设置缓存限制为 “private” */
session_cache_limiter('private');
$cache_limiter = session_cache_limiter();
/* 设置缓存过期时间为 30 分钟 */
session_cache_expire(30);
$cache_expire = session_cache_expire();
/* 开始会话 */
session_start();
echo "The cache limiter is now set to $cache_limiter<br />";
echo "The cached session pages expire after $cache_expire minutes";
?>Run instance»
Click the "Run instance" button to view the online instance
Output:
The cache limiter is now set to private The cached session pages expire after 30 minutes