qrexample07.php
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<?php
    // Example 7 : QR Barcode with multiple manually specified encodation schemas
    // (Note: Normally there would be no need to ever use manually specified encodation)
 
    // Include the library
    require_once ('jpgraph/QR/qrencoder.inc.php');
 
    // Data to be encoded
    $data = array(
        array(QREncoder::MODE_ALPHANUM,'01234567'),
        array(QREncoder::MODE_NUMERIC,'89012345')
    );
 
    // Create a new instance of the encoder (automatically determined QR version and
    // error correction level)
    $encoder = new QREncoder();
 
    // Use the image backend
    $backend = QRCodeBackendFactory::Create($encoder, BACKEND_IMAGE);
 
    // Set the module size
    $backend->SetModuleWidth(4);
 
    // Store the barcode in the specifed file
    $backend->Stroke($data);
?>