public function rewind() {
		reset($this->_data);
		reset($this->_updated);
		$this->_valid = (count($this->_updated) > 0);
		return current($this->_updated);
	}
public function rewind() {
		reset($this->_data);
		reset($this->_updated);
		$this->_valid = (count($this->_updated) > 0);
		return current($this->_updated);
	}
public function rewind ( ) { reset ( $ this -> _data ) ; reset ( $ this -> _updated ) ; $ this -> _valid = ( count ( $ this -> _updated ) > 0 ) ; return current ( $ this -> _updated ) ; }
Rewinds to the first item.

@return mixed The current item after rewinding.
Rewinds to the first item .