Gpf_Rpc_FilterCollection::getIterator PHP Method

        public function getIterator()
        {
            return new ArrayIterator($this->filters);
        }

    /**
     * @service pay_affiliate read
     */
    public function markTransactionsAsPaymentPending(Gpf_Rpc_Params $params) {
        $this->clearPaymentPendingMark();

        $action = new Gpf_Rpc_Action($params);

        $userIds = $this->getUserIdsFromFilter($action);

        $filters = new Gpf_Rpc_FilterCollection($params);

        $filterIterator = $filters->getIterator();

        while($filterIterator->valid()) {
            $filter = $filterIterator->current();
            if(!substr_compare($filter->getCode(), Pap_Merchants_Payout_PayAffiliatesGrid::TANSACTIONS_TABLE_ALIAS.'.data', 0, strlen($filter->getCode())-1)) {
                $suffix = substr($filter->getCode(), strlen($filter->getCode())-1);
                $filter->setCode('data'.$suffix);
            }
            $filterIterator->next();
        }

        $numRows = $this->updateSelectedRows($filters, $userIds);

        if ($numRows == 0) {
            $action->setErrorMessage($this->_('Nobody from selected affiliates have approved commissions. No commissions will be paid.'));
            $action->addError();
            return $action;
        }

        $nonZeroUsersCount = $this->getNumberOfNonZeroPaidAffiliates($userIds);
        if ((count($userIds) - $nonZeroUsersCount) > 0) {
            $action->setErrorMessage($this->_('%s of selected affiliates have no approved or zero commissions. No commissions will be paid to them.', (count($userIds) - $nonZeroUsersCount)));
            $action->addError();
            return $action;
        }

        $action->addOk();

        return $action;
    }