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vendor/workerman/validation/library/Helpers/CountryInfo.php

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+<?php
+
+/*
+ * Copyright (c) Alexandre Gomes Gaigalas <alganet@gmail.com>
+ * SPDX-License-Identifier: MIT
+ */
+
+declare(strict_types=1);
+
+namespace Respect\Validation\Helpers;
+
+use Respect\Validation\Exceptions\ComponentException;
+
+use function file_exists;
+use function sprintf;
+
+final class CountryInfo
+{
+    /**
+     * @var mixed[]
+     */
+    private $data;
+
+    /**
+     * @var mixed[]
+     */
+    private static $runtimeCache = [];
+
+    public function __construct(string $countryCode)
+    {
+        if (!isset(static::$runtimeCache[$countryCode])) {
+            $filename = __DIR__ . '/../../data/iso_3166-2/' . $countryCode . '.php';
+            if (!file_exists($filename)) {
+                throw new ComponentException(sprintf('"%s" is not a supported country code', $countryCode));
+            }
+            static::$runtimeCache[$countryCode] = require $filename;
+        }
+
+        $this->data = static::$runtimeCache[$countryCode];
+    }
+
+    public function getCountry(): string
+    {
+        return $this->data['country'];
+    }
+
+    /**
+     * @return string[]
+     */
+    public function getSubdivisions(): array
+    {
+        return $this->data['subdivisions'];
+    }
+}