first version

kirby/src/Http/Idn.php

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+<?php
+
+namespace Kirby\Http;
+
+use TrueBV\Punycode;
+
+/**
+ * Handles Internationalized Domain Names
+ *
+ * @package   Kirby Http
+ * @author    Bastian Allgeier <bastian@getkirby.com>
+ * @link      http://getkirby.com
+ * @copyright Bastian Allgeier
+ * @license   MIT
+*/
+class Idn
+{
+    public static function decode(string $domain)
+    {
+        return (new Punycode())->decode($domain);
+    }
+
+    public static function encode(string $domain)
+    {
+        return (new Punycode())->encode($domain);
+    }
+}