Pimcore\Model\Object\Listing\Dao::getTotalCount PHP Method

    public function getTotalCount()
    {
        $limit = $this->model->getLimit();
        $hasLimit = !empty($limit);
        $query = $this->getQuery();
        if (!$hasLimit) {
            $query->limit(1);
        }
        $this->loadIdList();
        if (!$hasLimit) {
            $query->reset(\Zend_Db_Select::LIMIT_COUNT);
        }
        return (int) $this->totalCount;
    }