dev/core#1541 Fix ICalendar random invalid utf8

diff --git a/CRM/Utils/ICalendar.php b/CRM/Utils/ICalendar.php
index 7d77ef07a16c8704b9285c1182676ddf7a18824d..b23f24f3c11d61ebf5cac9e7472b3634bcc16ced 100644 (file)
--- a/CRM/Utils/ICalendar.php
+++ b/CRM/Utils/ICalendar.php
@@ -38,7 +38,7 @@ class CRM_Utils_ICalendar {
     $text = str_replace(',', '\,', $text);
     $text = str_replace(';', '\;', $text);
     $text = str_replace(["\r\n", "\n", "\r"], "\\n ", $text);
-    $text = implode("\n ", str_split($text, 50));
+    $text = implode("\n ", mb_str_split($text, 50));
     return $text;
   }