PhpSpreadsheet/samples/Reader2/20_Reader_worksheet_hyperlink_image.php

<?php

use PhpOffice\PhpSpreadsheet\Shared\File;
use PhpOffice\PhpSpreadsheet\Spreadsheet;

require __DIR__ . '/../Header.php';
$inputFileType = 'Xlsx';

$helper->log('Start');

$spreadsheet = new Spreadsheet();

$aSheet = $spreadsheet->getActiveSheet();

$gdImage = @imagecreatetruecolor(120, 20);
if ($gdImage === false) {
    throw new Exception('imagecreatetruecolor failed');
}
$textColor = imagecolorallocate($gdImage, 255, 255, 255);
if ($textColor === false) {
    throw new Exception('imagecolorallocate failed');
}
imagestring($gdImage, 1, 5, 5, 'Created with PhpSpreadsheet', $textColor);

$baseUrl = 'https://phpspreadsheet.readthedocs.io';

$drawing = new PhpOffice\PhpSpreadsheet\Worksheet\MemoryDrawing();
$drawing->setName('In-Memory image 1');
$drawing->setDescription('In-Memory image 1');
$drawing->setCoordinates('A1');
$drawing->setImageResource($gdImage);
$drawing->setRenderingFunction(
    PhpOffice\PhpSpreadsheet\Worksheet\MemoryDrawing::RENDERING_JPEG
);
$drawing->setMimeType(PhpOffice\PhpSpreadsheet\Worksheet\MemoryDrawing::MIMETYPE_DEFAULT);
$drawing->setHeight(36);
$helper->log('Write image');

$hyperLink = new PhpOffice\PhpSpreadsheet\Cell\Hyperlink($baseUrl, 'test image');
$drawing->setHyperlink($hyperLink);
$helper->log('Write link: ' . $baseUrl);

$drawing->setWorksheet($aSheet);

$filename = File::temporaryFilename();

$writer = PhpOffice\PhpSpreadsheet\IOFactory::createWriter($spreadsheet, $inputFileType);
$writer->save($filename);

$reader = PhpOffice\PhpSpreadsheet\IOFactory::createReader($inputFileType);

$reloadedSpreadsheet = $reader->load($filename);
unlink($filename);

$helper->log('reloaded Spreadsheet');

foreach ($reloadedSpreadsheet->getActiveSheet()->getDrawingCollection() as $pDrawing) {
    $helper->log('Read link: ' . ($pDrawing->getHyperlink()?->getUrl() ?? 'none'));
}

$helper->log('end');