/**
         * Cleans (clears) the buffer.
         */
        public void clean()
        {
            try {
                _state |= OutputModule.PHP_OUTPUT_HANDLER_CONT;

                _out.flush();

                _tempStream.clearWrite();

                _state &= ~(OutputModule.PHP_OUTPUT_HANDLER_START);
                _state &= ~(OutputModule.PHP_OUTPUT_HANDLER_CONT);
            } catch (IOException e) {
                _env.error(e.ToString(), e);
            }
        }