original_string: public function updateGoodsQty($invNo, $artNo, $qty)
      {
          $this->_checkInvNo($invNo);
          $this->_checkQty($qty);
          $this->_checkArtNo($artNo);
  
          $digestSecret = self::digest(
              $this->colon($invNo, $artNo, $qty, $this->_secret)
          );
  
          $paramList = array(
              $this->_eid,
              $digestSecret,
              $invNo,
              $artNo,
              $qty
          );
  
          self::printDebug('update_goods_qty', $paramList);
  
          return $this->xmlrpc_call('update_goods_qty', $paramList);
      }
code: public function updateGoodsQty($invNo, $artNo, $qty)
      {
          $this->_checkInvNo($invNo);
          $this->_checkQty($qty);
          $this->_checkArtNo($artNo);
  
          $digestSecret = self::digest(
              $this->colon($invNo, $artNo, $qty, $this->_secret)
          );
  
          $paramList = array(
              $this->_eid,
              $digestSecret,
              $invNo,
              $artNo,
              $qty
          );
  
          self::printDebug('update_goods_qty', $paramList);
  
          return $this->xmlrpc_call('update_goods_qty', $paramList);
      }
code_tokens: public function updateGoodsQty ( $ invNo , $ artNo , $ qty ) { $ this -> _checkInvNo ( $ invNo ) ; $ this -> _checkQty ( $ qty ) ; $ this -> _checkArtNo ( $ artNo ) ; $ digestSecret = self :: digest ( $ this -> colon ( $ invNo , $ artNo , $ qty , $ this -> _secret ) ) ; $ paramList = array ( $ this -> _eid , $ digestSecret , $ invNo , $ artNo , $ qty ) ; self :: printDebug ( 'update_goods_qty' , $ paramList ) ; return $ this -> xmlrpc_call ( 'update_goods_qty' , $ paramList ) ; }
docstring: Changes the quantity of a specific item in a passive invoice.
  
  @param string $invNo Invoice number.
  @param string $artNo Article number.
  @param int    $qty   Quantity of specified article.
  
  
  @throws KlarnaException
  @return string  Invoice number.
docstring_tokens: Changes the quantity of a specific item in a passive invoice .