Nextras\Datagrid\Datagrid::setPagination PHP Метод

    public function setPagination($itemsPerPage, callable $itemsCountCallback = null)
    {
        if ($itemsPerPage === false) {
            $this->paginator = null;
            $this->paginatorItemsCountCallback = null;
        } else {
            if ($itemsCountCallback === null) {
                throw new \InvalidArgumentException('Items count callback must be set.');
            }
            $this->paginator = new Paginator();
            $this->paginator->itemsPerPage = $itemsPerPage;
            $this->paginatorItemsCountCallback = $itemsCountCallback;
        }
    }