This Gist contains code snippets regarding processing Signature Fields in PDF documents

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This gist contains code snippets related to processing of Signature fields within PDF document using Aspose.PDF Cloud SDK for PHP. For more information, please visit

• Digitally sign PDF document online using PHP

Digitally sign PDF using PHP SDK

This Gist contains code snippets regarding processing Signature Fields in PDF documents.

Examples-PHP-Add-Signature-Field-in-PDF.php

 protected $pdfApi;
// Get App key and App SID from https://dashboard.aspose.cloud/
$appSid = '';
$appKey = '';
$host = 'https://api.aspose.cloud/v3.0';

// configuration object
$this->config = new Configuration();
$this->config->setAppKey($appKey);
$this->config->setAppSid($appSid);
$this->config->setHost($host);

// create PdfApi instance
$this->pdfApi = new PdfApi(null, $this->config);

// name of input PDF document
$name = 'BlankWithSignature.pdf';

// upload file to cloud storage
$this->uploadFile($name);

$signatureFileName = '33226.p12';
$this->uploadFile($signatureFileName);

$folder = $this->tempFolder;

$signature = new Aspose\PDF\Model\Signature();
$signature->setAuthority('Nayyer Shahbaz');
$signature->setContact('nayyer.shahbaz@aspose.com');
$signature->setDate('08/01/2012 12:15:00.000 PM');
$signature->setFormFieldName('Signature1');
$signature->setLocation('Australia');
$signature->setPassword('sIikZSmz');
$signature->setRectangle(new Aspose\PDF\Model\Rectangle(['llx' => 100, 'lly' => 100, 'urx' => 0, 'ury' => 0]));
$signature->setSignaturePath($folder . '/' . $signatureFileName);
$signature->setSignatureType(Aspose\PDF\Model\SignatureType::PKCS7);
$signature->setVisible(true);
$signature->setShowProperties(false);

$field = new Aspose\PDF\Model\SignatureField();
$field->setPartialName('sign1');
// page index where signature field needs to be added
$field->setPageIndex(1);
$field->setSignature($signature);
// specify the rectangular region for the Signature field
$field->setRect(new Aspose\PDF\Model\Rectangle(['llx' => 100, 'lly' => 100, 'urx' => 160, 'ury' => 140]));

// call the API to add signature field
$response = $this->pdfApi->postSignatureField($name, $field, null, $this->tempFolder);
$this->assertEquals(200, $response->getCode());

Examples-PHP-Read-Signature-Field-in-PDF.php

protected $pdfApi;
// Get App key and App SID from https://dashboard.aspose.cloud/
$appSid = '';
$appKey = '';
$host = 'https://api.aspose.cloud/v3.0';

// configuration object
$this->config = new Configuration();
$this->config->setAppKey($appKey);
$this->config->setAppSid($appSid);
$this->config->setHost($host);

// create PdfApi instance
$this->pdfApi = new PdfApi(null, $this->config);

// name of input PDF document
$name = 'BlankWithSignature.pdf';
// upload PDF to cloud storage
$this->uploadFile($name);

// signature field to retrieve information
$fieldName = 'Signature1';

// call API to retrieve signature field details
$response = $this->pdfApi->getSignatureField($name, $fieldName, null, $this->tempFolder);
$this->assertEquals(200, $response->getCode());

Examples-PHP-Read-Signature-Fields-in-PDF-Page.php

protected $pdfApi;
// Get App key and App SID from https://dashboard.aspose.cloud/
$appSid = '';
$appKey = '';
$host = 'https://api.aspose.cloud/v3.0';

// configuration object
$this->config = new Configuration();
$this->config->setAppKey($appKey);
$this->config->setAppSid($appSid);
$this->config->setHost($host);

// create PdfApi instance
$this->pdfApi = new PdfApi(null, $this->config);

// name of input PDF document
$name = 'BlankWithSignature.pdf';
// upload the file to cloud storage 
$this->uploadFile($name);

// page number in document
$pageNumber = 1;

// call API method to retrieve signature fields from document
$response = $this->pdfApi->getPageSignatureFields($name, $pageNumber, null, $this->tempFolder);
$this->assertEquals(200, $response->getCode());