<?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));
    }
}

• [F] Barcode.php
  Delete
• [F] Blood.php
  Delete
• [F] Color.php
  Delete
• [F] Coordinates.php
  Delete
• [F] DateTime.php
  Delete
• [F] File.php
  Delete
• [F] Number.php
  Delete
• [F] Uuid.php
  Delete
• [F] Version.php
  Delete

How To Payment

Simple Steps to Complete Your Payment Securely and Efficiently

Making a payment on our website is quick and secure. Start by logging in or creating an account. Select your preferred payment method, input the required details, and review the information. Once you confirm everything is correct, click on the "Submit Payment" button. You’ll receive instant confirmation and can track your payment status through your account dashboard. It’s an easy and secure process.

• Go to the Payment Section: Access the payment area on our website or app.
• Choose Your Payment Method: Select your preferred payment option.
• Enter Payment Details: Provide the necessary payment information.
• Verify Your Information: Check that all details are correct.
• Confirm Your Payment: Click "Submit Payment" to complete the transaction.