WebDriver\Session::close PHP Method

    public function close()
    {
        $result = $this->curl('DELETE', '');
        return $result['value'];
    }

 /**
  * Close existing session
  *
  * @static
  * @return void
  */
 public static function closeSession()
 {
     if (self::activeSessionExists()) {
         Menta_Events::dispatchEvent('before_session_close', array('session' => self::$session));
         self::$session->close();
         self::$session = NULL;
         Menta_Events::dispatchEvent('after_session_close');
     }
 }