Initial commit

Author: Venelin Manchev

.gitignore

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+nbproject/
+

README.md

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+# VAT validator
+
+Validate a VAT number against the official European Commission VIES VAT number validation SOAP service.
+
+## How to install 
+
+TBD
+
+## How to use
+
+<pre>
+<?php
+
+use Toxic\Validator\Vat as VatValidator;
+
+$validator = VatValidator::getInstance();
+
+//Returns true or false
+$validator->isValid("XY123456789");
+
+//If VAT number is valid, company info is available
+$validator->getCompany();
+
+</pre>

src/Toxic/Validator/Vat.php

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+<?php
+
+namespace Toxic\Validator;
+
+use Toxic\Validator\Vat\Company;
+
+class Vat
+{
+
+  const config = 'http://ec.europa.eu/taxation_customs/vies/checkVatService.wsdl';
+
+  private static $instance;
+  private $client;
+  private $company;
+
+  private function __construct() {
+    $this->client = new \SoapClient(self::config, [
+        'exceptions' => false
+    ]);
+    $this->company = new Company();
+  }
+
+  public static function getInstance(): \Toxic\Validator\Vat {
+
+    if (!isset(static::$instance)) {
+      static::$instance = new Vat();
+    }
+
+    return static::$instance;
+  }
+
+  public function isValid(string $code): bool {
+
+    $code = $this->filter($code);
+
+    $result = $this->client->checkVat([
+        'countryCode' => $this->getCountryCode($code),
+        'vatNumber' => $this->getVatNumber($code)
+    ]);
+
+    if ($result instanceof \SoapFault) {
+      return false;
+    }
+
+    return $this->setCompany($result)->isValid();
+  }
+
+  private function filter(string $code): string {
+
+    $code = strtoupper($code);
+    $code = filter_var($code, FILTER_SANITIZE_STRING);
+    $code = preg_replace("/[^A-Z0-9]/", "", $code);
+
+    return trim($code);
+  }
+
+  private function getCountryCode(string $code): string {
+    return substr($code, 0, 2);
+  }
+
+  private function getVatNumber(string $code): string {
+    return substr($code, 2);
+  }
+
+  private function setCompany(\stdClass $data): Company {
+
+    foreach ($this->company as $property => $value) {
+      if (!isset($data->{$property})) {
+        continue;
+      }
+
+      $this->company->{$property} = $data->{$property};
+    }
+
+    return $this->company;
+  }
+
+  public function getCompany(): Company {
+    return $this->company;
+  }
+
+}

src/Toxic/Validator/Vat/Company.php

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+<?php
+
+namespace Toxic\Validator\Vat;
+
+class Company
+{
+
+  public $name;
+  public $address;
+  public $vatNumber;
+  public $countryCode;
+  public $valid;
+
+  public function isValid(): bool {
+    return $this->valid;
+  }
+
+}