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<?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 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' . mt_rand(8, 9) . Extension\Helper::numerify(str_repeat('#', 9));
return sprintf('%s%s', $code, Calculator\Ean::checksum($code));
}
}