public function expireNow($sessionId)
    {
        if ($sessionInformation = $this->getSessionInformation($sessionId)) {
            $sessionInformation->expireNow();
            $this->saveSessionInformation($sessionInformation);
        }
    }
public function expireNow($sessionId)
    {
        if ($sessionInformation = $this->getSessionInformation($sessionId)) {
            $sessionInformation->expireNow();
            $this->saveSessionInformation($sessionInformation);
        }
    }
public function expireNow ( $ sessionId ) { if ( $ sessionInformation = $ this -> getSessionInformation ( $ sessionId ) ) { $ sessionInformation -> expireNow ( ) ; $ this -> saveSessionInformation ( $ sessionInformation ) ; } }
Expires the given sessionId.

@param string $sessionId the session identifier key.
Expires the given sessionId .