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various fixes vor php 8.1 compatibility

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Cherry-picked from https://git-gitea.tt-rss.org/fox/tt-rss/pulls/56,
while excluding changes in vendor/ (causes compatiblity issues with
PHP<8 [1]) and strftime-related ones (already re-applied in
https://git-gitea.tt-rss.org/fox/tt-rss/pulls/66).

[1] https://community.tt-rss.org/t/support-for-php-8-1/5089/9
This commit is contained in:
David Edler
2021-11-30 21:50:09 +01:00
committed by Chih-Hsuan Yen
parent a395574516
commit de1e218a83
5 changed files with 5 additions and 5 deletions
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2
classes/feedparser.php
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@@ -200,7 +200,7 @@ class FeedParser {
// libxml may have invalid unicode data in error messages
function error() : string {
return UConverter::transcode($this->error, 'UTF-8', 'UTF-8');
return UConverter::transcode($this->error ?? '', 'UTF-8', 'UTF-8');
}
/** @return array<string> - WARNING: may return invalid unicode data */