Required Fields using PDFfiller PHP Client

Using PDFfiller, you'll always be sure that your sensitive information cannot be accidentally skipped. Simply add required fields to your PDF or Word document. You can add as many fields to your document as you need using the drag and drop wizard.
          
              
                    PDFfiller\OAuth2\Client\Provider\Document::createConstructor();

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

$hashDocument = $document->createConstructor();