wp-includes/embed.php:1123Prepare the oembed HTML to be displayed in an RSS feed.
$contentstringstringfunction _oembed_filter_feed_content( $content ) { $p = new WP_HTML_Tag_Processor( $content ); while ( $p->next_tag( array( 'tag_name' => 'iframe' ) ) ) { if ( $p->has_class( 'wp-embedded-content' ) ) { $p->remove_attribute( 'style' ); } } return $p->get_updated_html();}Introduced in 4.4.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/embed.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.