PHP - Manual: SessionHandlerInterface::gc
2024-12-22
(PHP 5 >= 5.4.0, PHP 7, PHP 8)
SessionHandlerInterface::gc — Cleanup old sessions
$max_lifetime
): int|falseCleans up expired sessions. Called by session_start(), based on session.gc_divisor, session.gc_probability and session.gc_maxlifetime settings.
max_lifetime
Sessions that have not updated for the last max_lifetime
seconds will be removed.
Returns the number of deleted sessions on success, 或者在失败时返回 false
.
Note this value is returned internally to PHP for processing.
版本 | 说明 |
---|---|
7.1.0 |
Prior to this version, the function returned true on success.
|
官方地址:https://www.php.net/manual/en/sessionhandlerinterface.gc.php