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parser: only try to convert encoding if mbstring actually supports it

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This commit is contained in:
Andrew Dolgov 2016-09-05 15:02:31 +03:00
parent 733b257d31
commit cde8272205
1 changed files with 5 additions and 1 deletions
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6
classes/feedparser.php
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@ -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);
}