calculateNumberOfColumns example

$cell
                        )];
                    } elseif ('' !== $cell) {
                        $rows[] = [$cell];
                    }
                }
            }
        } else {
            $rows = array_merge($this->headers, [$divider], $this->rows);
        }

        $this->calculateNumberOfColumns($rows);

        $rowGroups = $this->buildTableRows($rows);
        $this->calculateColumnsWidth($rowGroups);

        $isHeader = !$horizontal;
        $isFirstRow = $horizontal;
        $hasTitle = (bool) $this->headerTitle;

        foreach ($rowGroups as $rowGroup) {
            $isHeaderSeparatorRendered = false;

            

                        } elseif ('' !== $cell) {
                            $rows[] = [$part];
                        }
                    }
                }
            }
        } else {
            $rows = array_merge($this->headers, [$divider], $this->rows);
        }

        $this->calculateNumberOfColumns($rows);

        $rowGroups = $this->buildTableRows($rows);
        $this->calculateColumnsWidth($rowGroups);

        $isHeader = !$horizontal;
        $isFirstRow = $horizontal;
        $hasTitle = (bool) $this->headerTitle;

        foreach ($rowGroups as $rowGroup) {
            $isHeaderSeparatorRendered = false;