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vendor/workerman/validation/library/Rules/SubdivisionCode.php

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+<?php
+
+/*
+ * This file is part of Respect/Validation.
+ *
+ * (c) Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
+ *
+ * For the full copyright and license information, please view the LICENSE file
+ * that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace Respect\Validation\Rules;
+
+use Respect\Validation\Helpers\Subdivisions;
+
+use function array_keys;
+
+/**
+ * Validates country subdivision codes according to ISO 3166-2.
+ *
+ * @see http://en.wikipedia.org/wiki/ISO_3166-2
+ * @see http://www.geonames.org/countries/
+ *
+ * @author Henrique Moody <henriquemoody@gmail.com>
+ * @author Mazen Touati <mazen_touati@hotmail.com>
+ */
+final class SubdivisionCode extends AbstractSearcher
+{
+    /**
+     * @var string
+     */
+    private $countryName;
+
+    /**
+     * @var string[]
+     */
+    private $subdivisions;
+
+    public function __construct(string $countryCode)
+    {
+        $subdivisions = new Subdivisions($countryCode);
+
+        $this->countryName = $subdivisions->getCountry();
+        $this->subdivisions = array_keys($subdivisions->getSubdivisions());
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    protected function getDataSource(): array
+    {
+        return $this->subdivisions;
+    }
+}