public function getValueForPosition($pos) {
        return (isset($this->cells[$pos])) ? $this->cells[$pos]->getValue(): null;
    }
public function getValueForPosition($pos) {
        return (isset($this->cells[$pos])) ? $this->cells[$pos]->getValue(): null;
    }
public function getValueForPosition ( $ pos ) { return ( isset ( $ this -> cells [ $ pos ] ) ) ? $ this -> cells [ $ pos ] -> getValue ( ) : null ; }
Returns a value in the row at a specific position
@param integer $pos
@return string|number
Returns a value in the row at a specific position