if (!@is_dir($this->config_temp_directory) && !@is_writable($this->config_temp_directory) && @is_dir($this->config_cache_directory) && @is_writable($this->config_cache_directory)) {
            $this->DebugMessage('setting $this->config_temp_directory = $this->config_cache_directory (' . $this->config_cache_directory . ')', __FILE__, __LINE__);
            $this->config_temp_directory = $this->config_cache_directory;
        }