How to generate a UPC-E barcode as a PNG file in PHP

Let’s keep this as simple as we possibly can.

Start by running the following snippet in the command line of Composer:

composer require cloudmersive/cloudmersive_barcode_api_client

Then call generateBarcodeUPCE as seen below:

require_once(__DIR__ . '/vendor/autoload.php');
// Configure API key authorization: Apikey
$config = Swagger\Client\Configuration::getDefaultConfiguration()->setApiKey('Apikey', 'YOUR_API_KEY');
// Uncomment below to setup prefix (e.g. Bearer) for API key, if needed
// $config = Swagger\Client\Configuration::getDefaultConfiguration()->setApiKeyPrefix('Apikey', 'Bearer');
$apiInstance = new Swagger\Client\Api\GenerateBarcodeApi(
// If you want use custom http client, pass your client which implements `GuzzleHttp\ClientInterface`.
// This is optional, `GuzzleHttp\Client` will be used as default.
new GuzzleHttp\Client(),
$value = "value_example"; // string | UPC-E barcode value to generate from
try {
$result = $apiInstance->generateBarcodeUPCE($value);
} catch (Exception $e) {
echo 'Exception when calling GenerateBarcodeApi->generateBarcodeUPCE: ', $e->getMessage(), PHP_EOL;

And you will get your entered value as a barcode PNG. Easy.

Image for post

There’s an API for that. Cloudmersive is a leader in Highly Scalable Cloud APIs.

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