qrexample03.php

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    <?php
        // Example 3 : QR Barcode with specified version and stored to a file

        // Include the library
        require_once ('jpgraph/QR/qrencoder.inc.php');

        // Data to be encoded
        $data = '01234567';
        $version = 3;  // Use QR version 3
        $fileName = 'qrexample03.png';

        // Create a new instance of the encoder and let the library
        // decide a suitable error level
        $encoder = new QREncoder($version);

        // Use the image backend
        $backend = QRCodeBackendFactory::Create($encoder, BACKEND_IMAGE);

        // Set the module size (quite big)
        $backend->SetModuleWidth(5);

        // Store the barcode in the specifed file
        $backend->Stroke($data,$fileName);
        list($version,$errorcorrection) = $backend->GetQRInfo();

        echo "QR Barcode, (<b>Version: $version-$errorcorrection</b>), image stored in file $fileName";
    ?>