use RenderPdfIoPhp\RenderPdfIoService;
use RenderPdfIoPhp\RenderPdfOptions;

$renderPdfIoService = RenderPdfIoService::make("YOUR_API_KEY_HERE");

$fileUrl = $renderPdfIoService->render(new RenderPdfOptions(
    htmlContent: 'Hello world',
    headerHtmlContent: 'Welcome to RenderPdf.io - PHP Library',
    footerHtmlContent: 'We love you'
));

$isQueued = $renderPdfIoService->renderAsync(new RenderPdfOptions(
    htmlContent: 'Render this in async flow please',
));

// if there are any errors, a RenderPdfIoException will be thrown