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Dokumen ini menggunakan Manual laman web PHP Cina Lepaskan
(PHP 5 >= 5.4.0)
SessionHandlerInterface::gc — Cleanup old sessions
$maxlifetime
)Cleans up expired sessions. Called by session_start() , based on session.gc_divisor, session.gc_probability and session.gc_lifetime settings.
maxlifetime
Sessions that have not updated for the last maxlifetime
seconds will be removed.
会话存储的返回值(通常成功返回 0,失败返回 1)。