public function DomPdf::send in Entity Print 8

Send the PDF contents to the browser.

Parameters

$filename: (optional) The filename if we want to force the browser to download.

Throws

\Drupal\entity_print\PdfEngineException Thrown when PDF generation fails.

Overrides PdfEngineInterface::send

File

src/Plugin/EntityPrint/PdfEngine/DomPdf.php, line 124

Class

DomPdf

@PdfEngine( id = "dompdf", label = @Translation("Dompdf") )

Namespace

Drupal\entity_print\Plugin\EntityPrint\PdfEngine

Code

public function send($filename = NULL) {
  $this->pdf
    ->render();

  // Dompdf doesn't have a return value for send so just check the error
  // global it provides.
  if ($errors = $this
    ->getError()) {
    throw new PdfEngineException(sprintf('Failed to generate PDF: %s', $errors));
  }

  // The Dompdf library internally adds the .pdf extension so we remove it
  // from our filename here.
  $filename = preg_replace('/\\.pdf$/i', '', $filename);

  // If the filename received here is NULL, force open in the browser
  // otherwise attempt to have it downloaded.
  $this->pdf
    ->stream($filename, array(
    'Attachment' => (bool) $filename,
  ));
}