Base::unload PHP 메소드

    function unload($cwd)
    {
        chdir($cwd);
        if (!($error = error_get_last()) && session_status() == PHP_SESSION_ACTIVE) {
            session_commit();
        }
        $handler = $this->hive['UNLOAD'];
        if ((!$handler || $this->call($handler, $this) === FALSE) && $error && in_array($error['type'], [E_ERROR, E_PARSE, E_CORE_ERROR, E_COMPILE_ERROR])) {
            // Fatal error detected
            $this->error(500, sprintf(self::E_Fatal, $error['message']), [$error]);
        }
    }