<?php
declare(strict_types=1);
namespace Faker\Core;
use Faker\Calculator;
use Faker\Extension;
/**
* @experimental This class is experimental and does not fall under our BC promise
*/
final class Barcode implements Extension\BarcodeExtension
{
private Extension\NumberExtension $numberExtension;
public function __construct(?Extension\NumberExtension $numberExtension = null)
{
$this->numberExtension = $numberExtension ?: new Number();
}
private function ean(int $length = 13): string
{
$code = Extension\Helper::numerify(str_repeat('#', $length - 1));
return sprintf('%s%s', $code, Calculator\Ean::checksum($code));
}
public function ean13(): string
{
return $this->ean();
}
public function ean8(): string
{
return $this->ean(8);
}
public function isbn10(): string
{
$code = Extension\Helper::numerify(str_repeat('#', 9));
return sprintf('%s%s', $code, Calculator\Isbn::checksum($code));
}
public function isbn13(): string
{
$code = '97' . $this->numberExtension->numberBetween(8, 9) . Extension\Helper::numerify(str_repeat('#', 9));
return sprintf('%s%s', $code, Calculator\Ean::checksum($code));
}
}