/**
  * Read from stream.
  *
  * This method is called in response to fread() and fgets().
  *
  * Note: Remember to update the read/write position of the stream (by the
  * number of bytes that were successfully read).
  *
  * @param integer $count How many bytes of data from the current position should be returned.
  * @return string If there are less than count bytes available, return as many as are available. If no more data is available, return either FALSE or an empty string.
  */
 public function stream_read($count)
 {
     return $this->streamWrapper->read($count);
 }