<?php

namespace PhpOffice\PhpSpreadsheet\Writer\Pdf;

use PhpOffice\PhpSpreadsheet\Worksheet\PageSetup;
use PhpOffice\PhpSpreadsheet\Writer\Pdf;

class Dompdf extends Pdf
{
    /**

>      * embed images, or link to images.
     * Gets the implementation of external PDF library that should be used.
>      *
     *
>      * @var bool
     * @return \Dompdf\Dompdf implementation
>      */
     */
>     protected $embedImages = true;
    protected function createExternalWriterInstance()
> 
    {
>     /**


        return new \Dompdf\Dompdf();
    }

    /**
     * Save Spreadsheet to file.
     *

<      * @param string $pFilename Name of the file to save as



>      * @param string $filename Name of the file to save as


     */

<     public function save($pFilename): void



>     public function save($filename, int $flags = 0): void


    {

<         $fileHandle = parent::prepareForSave($pFilename);
< 
<         //  Default PDF paper size
<         $paperSize = 'LETTER'; //    Letter    (8.5 in. by 11 in.)



>         $fileHandle = parent::prepareForSave($filename);



        //  Check for paper size and page orientation

<         if ($this->getSheetIndex() === null) {
<             $orientation = ($this->spreadsheet->getSheet(0)->getPageSetup()->getOrientation()
<                 == PageSetup::ORIENTATION_LANDSCAPE) ? 'L' : 'P';
<             $printPaperSize = $this->spreadsheet->getSheet(0)->getPageSetup()->getPaperSize();
<         } else {
<             $orientation = ($this->spreadsheet->getSheet($this->getSheetIndex())->getPageSetup()->getOrientation()
<                 == PageSetup::ORIENTATION_LANDSCAPE) ? 'L' : 'P';
<             $printPaperSize = $this->spreadsheet->getSheet($this->getSheetIndex())->getPageSetup()->getPaperSize();



>         $setup = $this->spreadsheet->getSheet($this->getSheetIndex() ?? 0)->getPageSetup();
>         $orientation = $this->getOrientation() ?? $setup->getOrientation();
>         $orientation = ($orientation === PageSetup::ORIENTATION_LANDSCAPE) ? 'L' : 'P';
>         $printPaperSize = $this->getPaperSize() ?? $setup->getPaperSize();
>         $paperSize = self::$paperSizes[$printPaperSize] ?? PageSetup::getPaperSizeDefault();
>         if (is_array($paperSize) && count($paperSize) === 2) {
>             $paperSize = [0.0, 0.0, $paperSize[0], $paperSize[1]];


        }

        $orientation = ($orientation == 'L') ? 'landscape' : 'portrait';


<         //  Override Page Orientation
<         if ($this->getOrientation() !== null) {
<             $orientation = ($this->getOrientation() == PageSetup::ORIENTATION_DEFAULT)
<                 ? PageSetup::ORIENTATION_PORTRAIT
<                 : $this->getOrientation();
<         }
<         //  Override Paper Size
<         if ($this->getPaperSize() !== null) {
<             $printPaperSize = $this->getPaperSize();
<         }
< 
<         if (isset(self::$paperSizes[$printPaperSize])) {
<             $paperSize = self::$paperSizes[$printPaperSize];
<         }
< 


        //  Create PDF
        $pdf = $this->createExternalWriterInstance();

<         $pdf->setPaper(strtolower($paperSize), $orientation);



>         $pdf->setPaper($paperSize, $orientation);



        $pdf->loadHtml($this->generateHTMLAll());
        $pdf->render();

        //  Write to file

<         fwrite($fileHandle, $pdf->output());



>         fwrite($fileHandle, $pdf->output() ?? '');



        parent::restoreStateAfterSave();
    }
}