SessionHandlerInterface::gc

    (PHP 5 >= 5.4.0, PHP 7, PHP 8)

    SessionHandlerInterface::gc — Cleanup old sessions

    Description

    publicSessionHandlerInterface::gc(int$max_lifetime): int|false

    Cleans up expired sessions. Called by session_start(), based on session.gc_divisor, session.gc_probability and session.gc_maxlifetime settings.

    Parameters

    max_lifetime

    Sessions that have not updated for the last max_lifetime seconds will be removed.

    Return Values

    Returns the number of deleted sessions on success, or false on failure. Note this value is returned internally to PHP for processing.

    Changelog

    VersionDescription
    7.1.0 Prior to this version, the function returned true on success.
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