/**
* Flushes the output.
*
* This method is called in response to fflush().
*
* If you have cached data in your stream but not yet stored it into the
* underlying storage, you should do so now.
*
* Note: If not implemented, FALSE is assumed as the return value.
*
* @return boolean Should return TRUE if the cached data was successfully stored (or if there was no data to store), or FALSE if the data could not be stored.
*/
public function stream_flush()
{
return $this->streamWrapper->flush();
}
