code: public function first()
  	{
  		$this->intIndex = 0;
  
  		$this->blnDone = false;
  		$this->arrCache = $this->resultSet[$this->intIndex];
  
  		return $this;
  	}
docs: Go to the first row of the current result
  
  @return Result|boolean The result object or false if there is no first row