public function getValuesForPosition($pos) {
        $arr = array();
        foreach ($this->rows as $key => $row) {
            $arr[$key] = $row->getValueForPosition($pos);
        }
        return $arr;
    }
public function getValuesForPosition($pos) {
        $arr = array();
        foreach ($this->rows as $key => $row) {
            $arr[$key] = $row->getValueForPosition($pos);
        }
        return $arr;
    }
public function getValuesForPosition ( $ pos ) { $ arr = array ( ) ; foreach ( $ this -> rows as $ key => $ row ) { $ arr [ $ key ] = $ row -> getValueForPosition ( $ pos ) ; } return $ arr ; }
Returns an array that contains the values for a specific column
@param integer $pos
@return array
Returns an array that contains the values for a specific column