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Wordpress: Inject thumbnails in RSS feeds

/ Published in: PHP
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Placed in the functions.php file.

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  1. function insertThumbnailRSS($content) {
  2.    global $post;
  3.    if ( has_post_thumbnail( $post->ID ) ){
  4.        $content = '<p>' . get_the_post_thumbnail( $post->ID, 'medium' ) . '</p>' . $content;
  5.    }
  6.    return $content;
  7. }
  8.  
  9. add_filter('the_excerpt_rss', 'insertThumbnailRSS');
  10. add_filter('the_content_feed', 'insertThumbnailRSS');

URL: http://cdharrison.com/2009/12/16/the_post_thumbnail-for-rss-feeds/

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