SessionHandlerInterface::gc
(PHP 5 >= 5.4.0, PHP 7)
SessionHandlerInterface::gc — Cleanup old sessions
说明
abstract
public
SessionHandlerInterface::gc (
int
$maxlifetime
) :
int
Cleans up expired sessions. Called by session_start(), based on session.gc_divisor, session.gc_probability and session.gc_maxlifetime settings.
参数
-
maxlifetime
-
Sessions that have not updated for the last
maxlifetime
seconds will be removed.
返回值
会话存储的返回值(通常成功返回 0,失败返回 1)。