From 9b3ff8c255e61bdee161f75bac60ae2e80dfceeb Mon Sep 17 00:00:00 2001
From: Franziska Dyckhoff <fdyckhoff@dyvelop.de>
Date: Sun, 20 Aug 2017 12:01:17 +0200
Subject: [PATCH] fix utf-8 encoding of calendar response resolves #4

---
 src/Response/CalendarResponse.php | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/Response/CalendarResponse.php b/src/Response/CalendarResponse.php
index 239c573..42dead3 100644
--- a/src/Response/CalendarResponse.php
+++ b/src/Response/CalendarResponse.php
@@ -31,7 +31,13 @@ class CalendarResponse extends Response
     public function __construct(Calendar $calendar, $status = 200, $headers = array())
     {
         $this->calendar = $calendar;
-        $content = utf8_encode($calendar->createCalendar());
+
+        // convert to UTF-8
+        $content = $calendar->createCalendar();
+        if (!mb_check_encoding($content, 'UTF-8')) {
+            $content = utf8_encode($content);
+        }
+
         $headers = array_merge($this->getDefaultHeaders(), $headers);
         parent::__construct($content, $status, $headers);
     }