From bba27664f48f2b4a1c4544ca2610667f47b907c3 Mon Sep 17 00:00:00 2001
From: Dmitry Lukashin <dlukashin@gmail.com>
Date: Wed, 6 Jan 2016 21:32:12 +0300
Subject: [PATCH 1/2] Decode uppercase domains

---
 src/Punycode.php       |  1 +
 tests/PunycodeTest.php | 14 ++++++++++++++
 2 files changed, 15 insertions(+)

diff --git a/src/Punycode.php b/src/Punycode.php
index 07cd54c..89fb292 100644
--- a/src/Punycode.php
+++ b/src/Punycode.php
@@ -157,6 +157,7 @@ protected function encodePart($input)
      */
     public function decode($input)
     {
+        $input = strtolower($input);
         $parts = explode('.', $input);
         foreach ($parts as &$part) {
             if (strpos($part, static::PREFIX) !== 0) {
diff --git a/tests/PunycodeTest.php b/tests/PunycodeTest.php
index b724ba3..1b624b6 100644
--- a/tests/PunycodeTest.php
+++ b/tests/PunycodeTest.php
@@ -32,6 +32,20 @@ public function testDecode($decoded, $encoded)
         $this->assertEquals($decoded, $result);
     }
 
+    /**
+     * Test decoding Punycode in uppercase
+     *
+     * @param string $decoded Decoded domain
+     * @param string $encoded Encoded domain
+     * @dataProvider domainNamesProvider
+     */
+    public function testDecodeUppercase($decoded, $encoded)
+    {
+        $Punycode = new Punycode();
+        $result = $Punycode->decode(strtoupper($encoded));
+        $this->assertEquals($decoded, $result);
+    }
+
     /**
      * Provide domain names containing the decoded and encoded names
      *

From 93bf2e8d7fa976a27f3144f703371396643a1c02 Mon Sep 17 00:00:00 2001
From: Dmitry Lukashin <dlukashin@gmail.com>
Date: Wed, 6 Jan 2016 22:11:28 +0300
Subject: [PATCH 2/2] Encode uppercase domains

---
 src/Punycode.php       |  1 +
 tests/PunycodeTest.php | 14 ++++++++++++++
 2 files changed, 15 insertions(+)

diff --git a/src/Punycode.php b/src/Punycode.php
index 89fb292..c54adbd 100644
--- a/src/Punycode.php
+++ b/src/Punycode.php
@@ -73,6 +73,7 @@ public function __construct($encoding = 'UTF-8')
      */
     public function encode($input)
     {
+        $input = mb_strtolower($input, $this->encoding);
         $parts = explode('.', $input);
         foreach ($parts as &$part) {
             $part = $this->encodePart($part);
diff --git a/tests/PunycodeTest.php b/tests/PunycodeTest.php
index 1b624b6..61902dc 100644
--- a/tests/PunycodeTest.php
+++ b/tests/PunycodeTest.php
@@ -32,6 +32,20 @@ public function testDecode($decoded, $encoded)
         $this->assertEquals($decoded, $result);
     }
 
+    /**
+     * Test encoding Punycode in uppercase
+     *
+     * @param string $decoded Decoded domain
+     * @param string $encoded Encoded domain
+     * @dataProvider domainNamesProvider
+     */
+    public function testEncodeUppercase($decoded, $encoded)
+    {
+        $Punycode = new Punycode();
+        $result = $Punycode->encode(mb_strtoupper($decoded, 'UTF-8'));
+        $this->assertEquals($encoded, $result);
+    }
+
     /**
      * Test decoding Punycode in uppercase
      *