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biblys/isbn
===========

A PHP library to convert and validate ISBNs

3.2.50(3y ago)56346.8k↑19.6%15[1 issues](https://github.com/biblys/isbn/issues)1MITPHPPHP ^7.2 || ^8.0CI passing

Since Mar 1Pushed 2mo ago4 watchersCompare

[ Source](https://github.com/biblys/isbn)[ Packagist](https://packagist.org/packages/biblys/isbn)[ Docs](https://github.com/biblys/isbn)[ Fund](https://liberapay.com/clemlatz)[ RSS](/packages/biblys-isbn/feed)WikiDiscussions main Synced 1mo ago

READMEChangelog (10)Dependencies (4)Versions (85)Used By (1)

biblys/isbn
===========

[](#biblysisbn)

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biblys/isbn can be used to:

- [validate](#validate) a string against the ISBN-10, ISBN-13 and EAN-13 formats
- [convert](#convert) an ISBN to ISBN-10, ISBN-13, EAN-13, GTIN-14 and ISBN-A/DOI formats
- [parse](#parse) an ISBN to extract registration agency, publisher code, publication code, checksum, etc.

[CHANGELOG](https://github.com/biblys/isbn/releases)

Installation
------------

[](#installation)

- Requirements: PHP 7.2 or above

Install with composer:

```
composer require biblys/isbn:~3.0
```

Usage
-----

[](#usage)

### Convert

[](#convert)

Use case: converting an EAN (9782843449499) to an ISBN-13 (978-2-84344-949-9).

```