A small PHP 5.3 library for validating VAT identification numbers (VATINs).
This library is available on Packagist:
$ composer require ddeboer/vatin:1.0
If you want to use this library in a Symfony2 application, you can use the VatinBundle instead.
Validate a VAT number’s format:
$validator = new \Ddeboer\Vatin\Validator();
$bool = $validator->isValid('NL123456789B01');
Additionally check whether the VAT number is in use, with a call to the [VAT Information Exchange System (VIES)] (http://ec.europa.eu/taxation_customs/vies/faq.html#item_16) SOAP web service:
$validator = new \Ddeboer\Vatin\Validator();
$bool = $validator->isValid('NL123456789B01', true);