Signature Field using PDFfiller PHP Client

With PDFfiller, you can generate PDF documents that will correspond to all your needs. Add signature fields if you need your document signed or add as many signature fields as you need and determine the order of signing for multiple recipients.
          
              
                    PDFfiller\OAuth2\Client\Provider\Document::createConstructor();

$document = Document::one($provider, 12345678);

$hashDocument = $document->createConstructor();