streamWrapper::stream_flush
  Flushes the output
  
 
  Description
  
   public bool streamWrapper::stream_flush
    ( void
   )
  
  
   If you have cached data in your stream but not yet stored it into the
   underlying storage, you should do so now.
  
  
 
  Parameters
  This function has no parameters.
  
 
  Return Values
  
   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.
  
  
 
  Notes
  Note: 
   
    If not implemented, FALSE is assumed as the return value.