write($sessionId, $data) {@inheritdoc} Parameters

open($savePath, $sessionName) {@inheritdoc}

bool isStarted() Checks if the session is started.

string getSaveHandlerName() Gets the session.save_handler name.

close() {@inheritdoc}

bool regenerate(bool $destroy = false, int $lifetime = null) Regenerates id that represents this

clear() Clear all session data in memory.

close() {@inheritdoc}

class MemcacheSessionHandler implements SessionHandlerInterface

open($savePath, $sessionName) {@inheritdoc}