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<?php |
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namespace Ddeboer\Vatin; |
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use Ddeboer\Vatin\Vies\Client; |
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use Ddeboer\Vatin\Exception\ViesException; |
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/** |
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* Validate a VAT identification number (VATIN) |
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* |
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* @link http://en.wikipedia.org/wiki/VAT_identification_number |
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* @link http://sima.cat/nif.php |
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* @link https://github.com/jonathanmaron/zf2_proposal/blob/master/library/Zend/Validator/Vatin.php |
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*/ |
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class Validator |
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{ |
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/** |
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* Regular expression patterns per country code |
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* |
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* @var array |
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* @link http://ec.europa.eu/taxation_customs/vies/faq.html?locale=lt#item_11 |
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*/ |
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private $patterns = array( |
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'AT' => 'U[A-Z\d]{8}', |
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'BE' => '[0|1]{1}\d{9}', |
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'BG' => '\d{9,10}', |
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'CH' => 'E(-| ?)(\d{3}(\.)\d{3}(\.)\d{3}|\d{9})( ?)(MWST|TVA|IVA)', |
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'CY' => '\d{8}[A-Z]', |
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'CZ' => '\d{8,10}', |
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'DE' => '\d{9}', |
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'DK' => '(\d{2} ?){3}\d{2}', |
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'EE' => '\d{9}', |
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'EL' => '\d{9}', |
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'ES' => '[A-Z]\d{7}[A-Z]|\d{8}[A-Z]|[A-Z]\d{8}', |
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'FI' => '\d{8}', |
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'FR' => '([A-Z0-9]{2})\d{9}', |
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'GB' => '\d{9}|\d{12}|(GD|HA)\d{3}', |
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'HR' => '\d{11}', |
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'HU' => '\d{8}', |
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'IE' => '[A-Z\d]{8}|[A-Z\d]{9}', |
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'IT' => '\d{11}', |
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'LT' => '(\d{9}|\d{12})', |
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'LU' => '\d{8}', |
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'LV' => '\d{11}', |
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'MT' => '\d{8}', |
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'NL' => '\d{9}B\d{2}', |
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'NO' => '\d{9}(MVA){0,1}', |
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'PL' => '\d{10}', |
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'PT' => '\d{9}', |
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'RO' => '\d{2,10}', |
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'SE' => '\d{12}', |
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'SI' => '\d{8}', |
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'SK' => '\d{10}' |
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); |
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/** |
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* Client for the VIES web service |
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* |
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* @var Client |
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*/ |
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private $viesClient; |
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/** |
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* Constructor |
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* |
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* @param Client|null $viesClient Client for the VIES web service |
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*/ |
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public function __construct(Client $viesClient = null) |
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{ |
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$this->viesClient = $viesClient; |
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} |
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/** |
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* Returns true if value is a valid VAT identification number, false |
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* otherwise |
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* |
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* @param string $value Value |
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* @param bool $checkExistence In addition to checking the VATIN's format |
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* for validity, also check whether the VATIN |
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* exists. This requires a call to the VIES |
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* web service. |
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* |
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* @return bool |
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*/ |
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public function isValid($value, $checkExistence = false) |
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{ |
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if (null === $value || '' === $value) { |
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return false; |
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} |
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$countryCode = substr($value, 0, 2); |
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$vatin = substr($value, 2); |
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if (false === $this->isValidCountryCode($countryCode)) { |
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return false; |
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} |
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if (0 === preg_match('/^(?:'.$this->patterns[$countryCode].')$/', $vatin)) { |
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return false; |
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} |
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if (true === $checkExistence) { |
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$result = $this->getViesClient()->checkVat($countryCode, $vatin); |
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return $result->isValid(); |
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} |
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return true; |
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} |
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/** |
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* Returns true if value is valid country code, false otherwise |
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* |
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* @param string $value Value |
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* |
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* @return bool |
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*/ |
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private function isValidCountryCode($value) |
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{ |
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return isset($this->patterns[$value]); |
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} |
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/** |
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* Get VIES client |
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* |
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* @return Client |
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*/ |
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private function getViesClient() |
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{ |
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if ($this->viesClient === null) { |
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$this->viesClient = new Client(); |
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} |
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return $this->viesClient; |
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} |
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} |
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ddeboer /
vatin
