Barryvdh\DomPDF\PDF::render PHP Method

    protected function render()
    {
        if (!$this->dompdf) {
            throw new Exception('DOMPDF not created yet');
        }
        $this->dompdf->setPaper($this->paper, $this->orientation);
        $this->dompdf->render();
        if ($this->showWarnings) {
            global $_dompdf_warnings;
            if (count($_dompdf_warnings)) {
                $warnings = '';
                foreach ($_dompdf_warnings as $msg) {
                    $warnings .= $msg . "\n";
                }
                // $warnings .= $this->dompdf->get_canvas()->get_cpdf()->messages;
                if (!empty($warnings)) {
                    throw new Exception($warnings);
                }
            }
        }
        $this->rendered = true;
    }