public function rewind() {
		$this->_started = true;
		reset($this->_data);
		$this->_valid = !empty($this->_data) || $this->_populate() !== null;
		return current($this->_data);
	}
public function rewind() {
		$this->_started = true;
		reset($this->_data);
		$this->_valid = !empty($this->_data) || $this->_populate() !== null;
		return current($this->_data);
	}
public function rewind ( ) { $ this -> _started = true ; reset ( $ this -> _data ) ; $ this -> _valid = ! empty ( $ this -> _data ) || $ this -> _populate ( ) !== null ; return current ( $ this -> _data ) ; }
Rewinds the collection to the beginning.
Rewinds the collection to the beginning .