Generate QR Code to Sign PDF using REST API in PHP

GenerateQRCode_PHP.md

Learn how to generate a QR code to sign PDF documents using REST API in PHP: https://blog.groupdocs.cloud/2022/01/20/generate-qr-code-to-sign-pdf-using-rest-api-in-php/

The following topics shall be covered in this article:

1. QR Code Generator REST API and PHP SDK
2. Generate QR Code to Sign PDF in PHP
3. Generate Aztec QR Code to Sign PDF in PHP
4. Create DataMatrix QR Code to Sign PDF in PHP
5. Verify QR Code Signatures in PHP

GenerateQRCode_PHP_Configurations.php

// This code example demonstrates how to add your client ID and secret in the code.
static $ClientId = '659fe7da-715b-4744-a0f7-cf469a392b73';
static $ClientSecret = 'b377c36cfa28fa69960ebac6b6e36421';

static $ApiBaseUrl = 'https://api.groupdocs.cloud';
static $MyStorage = '';

// Intialize the configuration
$configuration = new GroupDocs\Signature\Configuration();

// Seting the configurations
$configuration->setAppSid(self::$ClientId);
$configuration->setAppKey(self::$ClientSecret);
$configuration->setApiBaseUrl(self::$ApiBaseUrl);

GenerateQRCode_PHP_Download.php

// This code example demonstrates how to download a PDF file from the cloud.
// Initialize the api
$apiInstance = new GroupDocs\Signature\FileApi($configuration);

// Download file request
$request = new GroupDocs\Signature\Model\Requests\DownloadFileRequest("Aztec_QR_out.pdf", self::$MyStorage, null);

// Download file
$response = $apiInstance->downloadFile($request);

GenerateQRCode_PHP_GenerateAztecQR.php

// This code example demonstrates how to generate Aztec code in PHP.
// SignatureAPI instance
$apiInstance = new GroupDocs\Signature\SignApi($configuration);

// Input file path
$fileInfo = new GroupDocs\Signature\Model\FileInfo();
$fileInfo->setFilePath("sample.pdf");

// Define SignSettings
$settings = new GroupDocs\Signature\Model\SignSettings();
$settings->setFileInfo($fileInfo);

// Define SaveOptions
$saveOptions = new GroupDocs\Signature\Model\SaveOptions();
$saveOptions->setOutputFilePath("QR_out.pdf");
$settings->setSaveOptions($saveOptions);

// Define Sign QR code options
$options = new GroupDocs\Signature\Model\SignQRCodeOptions();
$options->setPage(1);
$options->setAllPages(false);        
$options->setSignatureType(GroupDocs\Signature\Model\OptionsBase::SIGNATURE_TYPE_QR_CODE);        
$options->setQRCodeType("Aztec");
$options->setText("This is a sample Aztec QR code.");
$options->setLeft(260);
$options->setTop(350);
$options->setWidth(100);
$options->setHeight(100);

// Color
$color = new GroupDocs\Signature\Model\Color();
$color->setWeb("Black");

// Border
$border = new GroupDocs\Signature\Model\BorderLine();
$border->setColor($color);
$border->setVisible(true);
$border->setWeight(12);
$options->setBorder($border);

// Padding
$padding = new GroupDocs\Signature\Model\Padding();
$padding->setAll(2);
$options->setMargin($padding);
$options->setMarginMeasureType(GroupDocs\Signature\Model\SignTextOptions::MARGIN_MEASURE_TYPE_PIXELS);

$settings->setOptions([$options]);

// Create signature request
$request = new GroupDocs\Signature\Model\Requests\createSignaturesRequest($settings);

// Create signatures
$response = $apiInstance->createSignatures($request);

echo "Response: ", $response->getFileInfo();

GenerateQRCode_PHP_GenerateDataMatrixQR.php

// This code example demonstrates how to generate DataMatrix code in PHP.
// SignatureAPI instance
$apiInstance = new GroupDocs\Signature\SignApi($configuration);

// Input file path
$fileInfo = new GroupDocs\Signature\Model\FileInfo();
$fileInfo->setFilePath("sample.pdf");

// Define SignSettings
$settings = new GroupDocs\Signature\Model\SignSettings();
$settings->setFileInfo($fileInfo);

// Define SaveOptions
$saveOptions = new GroupDocs\Signature\Model\SaveOptions();
$saveOptions->setOutputFilePath("QR_out.pdf");
$settings->setSaveOptions($saveOptions);

// Define Sign QR code options
$options = new GroupDocs\Signature\Model\SignQRCodeOptions();
$options->setPage(1);
$options->setAllPages(false);        
$options->setSignatureType(GroupDocs\Signature\Model\OptionsBase::SIGNATURE_TYPE_QR_CODE);        
$options->setQRCodeType("DataMatrix");
$options->setText("This is a sample DataMatrix QR code.");
$options->setLeft(260);
$options->setTop(350);
$options->setWidth(100);
$options->setHeight(100);

// Color
$color = new GroupDocs\Signature\Model\Color();
$color->setWeb("Black");

// Border
$border = new GroupDocs\Signature\Model\BorderLine();
$border->setColor($color);
$border->setVisible(true);
$border->setWeight(12);
$options->setBorder($border);

// Padding
$padding = new GroupDocs\Signature\Model\Padding();
$padding->setAll(2);
$options->setMargin($padding);
$options->setMarginMeasureType(GroupDocs\Signature\Model\SignTextOptions::MARGIN_MEASURE_TYPE_PIXELS);

$settings->setOptions([$options]);

// Create signature request
$request = new GroupDocs\Signature\Model\Requests\createSignaturesRequest($settings);

// Create signatures
$response = $apiInstance->createSignatures($request);

echo "Response: ", $response->getFileInfo();

GenerateQRCode_PHP_SignPDFWithQR.php

// This code example demonstrates how to generate QR code to Sign PDF document.
// SignatureAPI instance
$apiInstance = new GroupDocs\Signature\SignApi($configuration);

// Input file path
$fileInfo = new GroupDocs\Signature\Model\FileInfo();
$fileInfo->setFilePath("sample.pdf");

// Define SignSettings
$settings = new GroupDocs\Signature\Model\SignSettings();
$settings->setFileInfo($fileInfo);

// Define SaveOptions
$saveOptions = new GroupDocs\Signature\Model\SaveOptions();
$saveOptions->setOutputFilePath("QR_out.pdf");
$settings->setSaveOptions($saveOptions);

// Define Sign QR code options
$options = new GroupDocs\Signature\Model\SignQRCodeOptions();
$options->setPage(1);
$options->setAllPages(false);        
$options->setSignatureType(GroupDocs\Signature\Model\OptionsBase::SIGNATURE_TYPE_QR_CODE);        
$options->setQRCodeType("QR");
$options->setText("This is sample QR.");
$options->setLeft(260);
$options->setTop(350);
$options->setWidth(100);
$options->setHeight(100);

// Color
$color = new GroupDocs\Signature\Model\Color();
$color->setWeb("Black");

// Border
$border = new GroupDocs\Signature\Model\BorderLine();
$border->setColor($color);
$border->setVisible(true);
$border->setWeight(12);
$options->setBorder($border);

// Padding
$padding = new GroupDocs\Signature\Model\Padding();
$padding->setAll(5);
$options->setMargin($padding);
$options->setMarginMeasureType(GroupDocs\Signature\Model\SignTextOptions::MARGIN_MEASURE_TYPE_PIXELS);

$settings->setOptions([$options]);

// Create signature request
$request = new GroupDocs\Signature\Model\Requests\createSignaturesRequest($settings);

// Create signatures
$response = $apiInstance->createSignatures($request);

echo "Response: ", $response->getFileInfo();

GenerateQRCode_PHP_Upload.php

// This code example demonstrates how to upload a PDF file to the cloud.
// Initialize the api
$apiInstance = new GroupDocs\Signature\FileApi($configuration);

// Input file path
$file = "C:\\Files\\Signature\\sample.pdf";

// Upload file request
$request = new GroupDocs\Signature\Model\Requests\UploadFileRequest("sample.pdf", $file, self::$MyStorage, null);

// Upload file
$response = $apiInstance->uploadFile($request);

GenerateQRCode_PHP_VerifyQR.php

// This code example demonstrates how to verify the QR code signatures.
// SignatureAPI instance
$apiInstance = new GroupDocs\Signature\SignApi($configuration);

// Input file path
$fileInfo = new GroupDocs\Signature\Model\FileInfo();
$fileInfo->setFilePath("QR_out.pdf");

// Define verify settings
$settings = new GroupDocs\Signature\Model\VerifySettings();
$settings->setFileInfo($fileInfo);

// Define verify QR code options
$options = new GroupDocs\Signature\Model\VerifyQRCodeOptions();
$options->setPage(1);
$options->setAllPages(false);        
$options->setSignatureType(GroupDocs\Signature\Model\OptionsBase::SIGNATURE_TYPE_QR_CODE);        
$options->setQRCodeType("QR");
$options->setText("This is sample QR.");

$settings->setOptions([$options]);

// Verify signatures request
$request = new GroupDocs\Signature\Model\Requests\VerifySignaturesRequest($settings);

// Verify signatures
$response = $apiInstance->verifySignatures($request);

echo "Response: ", $response;