UPC-A

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20 Sep 2026 - Nicola Asuni

The twelve-digit North American retail symbol, and the oldest of this family: the first UPC-A was scanned in 1974. It is an EAN-13 with a leading zero, and the library encodes it as one, which is why getExtendedCode() returns thirteen digits.

Type Token

Item	Value
Type token	`UPCA`
Enum case	`BarcodeType::UPCA`
Family	Linear
Standard	ISO/IEC 15420, GS1 General Specifications
Class	`\Com\Tecnick\Barcode\Type\Linear\UpcA`

Input

Item	Value
Character set	digits, plus `+` to introduce an add-on
Length	11 digits, or 12 with a valid check digit
Check	modulo 10, appended when the payload is 11 digits and verified when it is 12
Extra parameters	none

Examples

A product code

<?php

require_once __DIR__ . '/vendor/autoload.php';

$barcode = new \Com\Tecnick\Barcode\Barcode();
$bobj = $barcode->getBarcodeObj(
    type: 'UPCA',
    code: '72527273070',
    width: -3,
    height: -30,
    color: 'black',
    padding: [0, 0, 0, 0],
)->setBackgroundColor('white');

echo $bobj->getInlineSvgCode();

With a five-digit add-on

$bobj = $barcode->getBarcodeObj(
    type: 'UPCA',
    code: '72527273070+12345',
    width: -3,
    height: -30,
    color: 'black',
    padding: [0, 0, 0, 0],
)->setBackgroundColor('white');

Errors

These payloads raise \Com\Tecnick\Barcode\Exception:

Payload	Message
`1234567890A`	Input code must be a number
`12345678901234`	The code is too long: 14 digits (maximum 12 for UPCA)