+ // cache data for later
+ if (!$auth_pass && !$auth_login && is_writable(CACHE_DIR . "/simplepie")) {
+ if (sha1($feed_data) != $cached_feed_data_hash) {
+
+ if ($debug_enabled) {
+ _debug("update_rss_feed: saving $cache_filename");
+ }
+
+ @file_put_contents($cache_filename, $feed_data);
+ }
+ }
+