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authordefa <defa@so36.net>2012-09-05 14:48:55 +0200
committerdefa <defa@so36.net>2012-09-05 14:48:55 +0200
commit921408eba600a7dc51271c35480e9114cac5ecec (patch)
tree8728fecce574a1a70f623311b315360564708360 /program/include/rcube_charset.php
parent5c603c4032bf71792e7accd80e2b7d0e78d445f8 (diff)
parente263994adc3f8f331c6167da1665c1920a5142f9 (diff)
Merge https://github.com/roundcube/roundcubemail into crypt_hash_branch
Diffstat (limited to 'program/include/rcube_charset.php')
-rw-r--r--program/include/rcube_charset.php6
1 files changed, 6 insertions, 0 deletions
diff --git a/program/include/rcube_charset.php b/program/include/rcube_charset.php
index 380d14978..1740a6096 100644
--- a/program/include/rcube_charset.php
+++ b/program/include/rcube_charset.php
@@ -181,6 +181,12 @@ class rcube_charset
$to = empty($to) ? strtoupper(RCMAIL_CHARSET) : self::parse_charset($to);
$from = self::parse_charset($from);
+ // It is a common case when UTF-16 charset is used with US-ASCII content (#1488654)
+ // In that case we can just skip the conversion (use UTF-8)
+ if ($from == 'UTF-16' && !preg_match('/[^\x00-\x7F]/', $str)) {
+ $from = 'UTF-8';
+ }
+
if ($from == $to || empty($str) || empty($from)) {
return $str;
}