Ticket #29204: 29204.diff

src/wp-includes/feed.php

@@ -614 +614 @@
  * using SimplePie's multifeed feature.
  * See also {@link ​http://simplepie.org/wiki/faq/typical_multifeed_gotchas}
  *
  * @return WP_Error|SimplePie WP_Error object on failure or SimplePie object on success
  */
 function fetch_feed( $url ) {
         require_once( ABSPATH . WPINC . '/class-feed.php' );
 
         $feed = new SimplePie();
 
         $feed->set_sanitize_class( 'WP_SimplePie_Sanitize_KSES' );
         // We must manually overwrite $feed->sanitize because SimplePie's
         // constructor sets it before we have a chance to set the sanitization class
         $feed->sanitize = new WP_SimplePie_Sanitize_KSES();
 
-        $feed->set_cache_class( 'WP_Feed_Cache' );
+        SimplePie_Cache::register( 'wp_transient', 'WP_Feed_Cache_Transient' );
+        $feed->set_cache_location( 'wp_transient://' . $url );
+        
         $feed->set_file_class( 'WP_SimplePie_File' );
 
         $feed->set_feed_url( $url );
         /** This filter is documented in wp-includes/class-feed.php */
         $feed->set_cache_duration( apply_filters( 'wp_feed_cache_transient_lifetime', 12 * HOUR_IN_SECONDS, $url ) );
         /**
          * Fires just before processing the SimplePie feed object.
          *
          * @since 3.0.0
          *
          * @param object &$feed SimplePie feed object, passed by reference.
          * @param mixed  $url   URL of feed to retrieve. If an array of URLs, the feeds are merged.
          */
         do_action_ref_array( 'wp_feed_options', array( &$feed, $url ) );
         $feed->init();