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.

        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
	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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	Column	Order

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Pro	Pages illustrating features available only in the Professional edition of PHP Generator.

Created with PHP Generator for MySQL. Want to learn more? Download the demo project!

Fine-tuning & Tweaking.Barcodes Generation

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