';
- // We hide the title so it doesn't appear in the final article, which would be redundant with the RSS article title,
- // but we keep it in the content anyway, so RSS clients can extract it if needed.
- if ($titles->length > 0) {
- $content .= '
' . $titles[0]->nodeValue . '
';
- }
+ // We hide the title so it doesn't appear in the final article, which would be redundant with the RSS article title,
+ // but we keep it in the content anyway, so RSS clients can extract it if needed.
+ if ($titles->length > 0 && $titles[0] instanceof DOMNode) {
+ $content .= '
' . $titles[0]->nodeValue . '
';
+ }
- // We hide the thumbnail so it doesn't appear in the final article, which would be redundant with the YouTube player preview,
- // but we keep it in the content anyway, so RSS clients can extract it to display a preview where it wants (in article listing,
- // by example, like with Reeder).
- if ($thumbnails->length > 0) {
- $content .= '
';
- }
+ // We hide the thumbnail so it doesn't appear in the final article, which would be redundant with the YouTube player preview,
+ // but we keep it in the content anyway, so RSS clients can extract it to display a preview where it wants (in article listing,
+ // by example, like with Reeder).
+ if ($thumbnails->length > 0 && $thumbnails[0] instanceof DOMNode) {
+ $content .= '
';
+ }
- $content .= $iframe;
+ $content .= $iframe;
- if ($descriptions->length > 0) {
- $content .= '
' . nl2br(htmlentities($descriptions[0]->nodeValue)) . '
';
- }
+ if ($descriptions->length > 0 && $descriptions[0] instanceof DOMNode) {
+ $content .= '
' . nl2br(htmlspecialchars($descriptions[0]->nodeValue ?? '', ENT_COMPAT, 'UTF-8'), use_xhtml: true) . '
';
+ }
- $content .= "
\n";
- }
- else {
- $content = $iframe . $entry->content();
- }
- }
- else {
- $content = $iframe;
- }
+ $content .= "