Bex\Bbc\Components\ElementsList::executeMain PHP Метод

    protected function executeMain()
    {
        $rsElements = \CIBlockElement::GetList($this->getParamsSort(), $this->getParamsFilters(), $this->getParamsGrouping(), $this->getParamsNavStart(), $this->getParamsSelected(['DETAIL_PAGE_URL', 'LIST_PAGE_URL']));
        if (!isset($this->arResult['ELEMENTS'])) {
            $this->arResult['ELEMENTS'] = [];
        }
        $processingMethod = $this->getProcessingMethod();
        while ($element = $rsElements->{$processingMethod}()) {
            if ($arElement = $this->processingElementsResult($element)) {
                $this->arResult['ELEMENTS'][] = $arElement;
            }
        }
        if ($this->arParams['SET_404'] === 'Y' && empty($this->arResult['ELEMENTS'])) {
            $this->return404();
        }
        $this->generateNav($rsElements);
        $this->setResultCacheKeys(['NAV_CACHED_DATA']);
    }