/**
* Seeks to specific location in a stream.
*
* This method is called in response to fseek().
*
* The read/write position of the stream should be updated according to the
* offset and whence .
*
* $whence can one of:
* SEEK_SET - Set position equal to offset bytes.
* SEEK_CUR - Set position to current location plus offset.
* SEEK_END - Set position to end-of-file plus offset.
*
* @param integer $offset The stream offset to seek to.
* @param integer $whence
* @return boolean TRUE on success or FALSE on failure.
*/
public function stream_seek($offset, $whence = SEEK_SET)
{
return $this->streamWrapper->seek($offset, $whence);
}