How to Add Featured Image or Post Thumbnail to RSS Feed

WordPress RSS feeds shows a list of your most recent articles. If you are showing full articles in the feed, then all images inside will be displayed. However, it does not include the featured image or post thumbnail in the article.

To fix this, you can add the following code to your theme’s functions.php file

function rss_post_thumbnail($content) {
global $post;
if(has_post_thumbnail($post->ID)) {
$content = '<p>' . get_the_post_thumbnail($post->ID) .
'</p>' . get_the_content();
return $content;
add_filter('the_excerpt_rss', 'rss_post_thumbnail');
add_filter('the_content_feed', 'rss_post_thumbnail');

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