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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/feeditem/atom.php
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@@ -70,7 +70,7 @@ class FeedItem_Atom extends FeedItem_Common {
*
* @return string the rewritten XML or original $content
*/
private function rewrite_content_to_base(?string $base = null, string $content) {
private function rewrite_content_to_base(?string $base = null, ?string $content = '') {
if (!empty($base) && !empty($content)) {