From cde827220532a3e8f32fb30ac670deb0e91f9dad Mon Sep 17 00:00:00 2001 From: Andrew Dolgov Date: Mon, 5 Sep 2016 15:02:31 +0300 Subject: [PATCH] parser: only try to convert encoding if mbstring actually supports it --- classes/feedparser.php | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/classes/feedparser.php b/classes/feedparser.php index 9247bf450..3296381ed 100644 --- a/classes/feedparser.php +++ b/classes/feedparser.php @@ -15,7 +15,11 @@ class FeedParser { function normalize_encoding($data) { if (preg_match('/^(<\?xml[\t\n\r ].*?encoding[\t\n\r ]*=[\t\n\r ]*["\'])(.+?)(["\'].*?\?>)/s', $data, $matches) === 1) { - $data = mb_convert_encoding($data, 'UTF-8', $matches[2]); + + $encoding = strtolower($matches[2]); + + if (in_array($encoding, mb_list_encodings())) + $data = mb_convert_encoding($data, 'UTF-8', $encoding); $data = preg_replace('/^<\?xml[\t\n\r ].*?\?>/s', $matches[1] . "UTF-8" . $matches[3] , $data); }