PHP Generator Feature Demo
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  1. Fine-tuning & Tweaking
  2. Fine-tuning & Tweaking.Barcodes Generation
    • Custom Icons
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Fine-tuning & Tweaking.Barcodes Generation

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This example demonstrates how you can generate and display one-dimensional (Code 128) and two-dimensional (QR codes) barcodes on your pages. This feature is not incorporated directly into the PHP Generator kernel but can be easily implemented with any suitable external PHP library. In the example below php-barcode-generator and PHP QR Code libraries are used for generation one-dimensional and two-dimensional barcodes respectively.

The Continent: Country value is encoded in both barcodes that are generated and rendered in the OnCustomRenderColumn event handler. Click the button to get familiar with the event handler code.

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        protected function doCustomRenderColumn($fieldName, $fieldData, $rowData, &$customText, &$handled)
        { 
            if ($fieldName == 'barcode' || $fieldName == 'qrcode') {
                $valueToEncode = sprintf('%s: %s', $rowData['continent'], $rowData['name']);
                if ($fieldName == 'barcode') {
                    $barcodeGenerator = new \Picqer\Barcode\BarcodeGeneratorPNG();
                    $encodedValue = $barcodeGenerator->getBarcode($valueToEncode, $barcodeGenerator::TYPE_CODE_128); 
                } else {
                    ob_start();
                    QRCode::png($valueToEncode, null);
                    $encodedValue = ob_get_contents();
                    ob_end_clean();    
                }
                $customText = '<img src="data:image/png;base64,' . base64_encode($encodedValue) . '" class="barcode">';
                $handled = true;
            }
        }

 
Actions Code Country Continent Population Barcode (Code 128) QR Code
ABW Aruba North America 103,000
AFG Afghanistan Asia 22,720,000
AGO Angola Africa 12,878,000
AIA Anguilla North America 8,000
ALB Albania Europe 3,401,200
AND Andorra Europe 78,000
ANT Netherlands Antilles North America 217,000
ARE United Arab Emirates Asia 2,441,000
ARG Argentina South America 37,032,000
ARM Armenia Asia 3,520,000
ASM American Samoa Oceania 68,000
ATG Antigua and Barbuda North America 68,000
AUS Australia Oceania 18,886,000
AUT Austria Europe 8,091,800
AZE Azerbaijan Asia 7,734,000
BDI Burundi Africa 6,695,000
BEL Belgium Europe 10,239,000
BEN Benin Africa 6,097,000
BFA Burkina Faso Africa 11,937,000
BGD Bangladesh Asia 129,155,000
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About this demo

This demo application contains 100+ pages and illustrates most of features provided by PHP Generator. Hope it will help you to create even more powerful websites for your users.

You can download the demo project from our website and run the demo on your webserver as described in readme.txt.

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