Ticket #14485: garyc40-14485-revised.patch

wp-includes/taxonomy.php

@@ -2001 +2001 @@
 
         $term_id = apply_filters('term_id_filter', $term_id, $tt_id);
 
-        clean_term_cache($term_id, $taxonomy);
+        $force_clean_taxonomy = ( $parent ) ? true : false;
+        clean_term_cache($term_id, $taxonomy, true, $force_clean_taxonomy);
 
         do_action("created_term", $term_id, $tt_id, $taxonomy);
         do_action("created_$taxonomy", $term_id, $tt_id);
@@ -2441 +2442 @@
  * @param string $taxonomy Can be empty and will assume tt_ids, else will use for context.
  * @param bool $clean_taxonomy Whether to clean taxonomy wide caches (true), or just individual term object caches (false). Default is true.
  */
-function clean_term_cache($ids, $taxonomy = '', $clean_taxonomy = true) {
+function clean_term_cache($ids, $taxonomy = '', $clean_taxonomy = true, $force_clean_taxonomy = false) {
         global $wpdb;
         static $cleaned = array();
 
@@ -2471 +2472 @@
         }
 
         foreach ( $taxonomies as $taxonomy ) {
-                if ( isset($cleaned[$taxonomy]) )
+                if ( isset($cleaned[$taxonomy]) && ! $force_clean_taxonomy )
                         continue;
                 $cleaned[$taxonomy] = true;
 
@@ -2486 +2487 @@
                 do_action('clean_term_cache', $ids, $taxonomy);
         }
 
-        wp_cache_set('last_changed', time(), 'terms');
+        $last_changed = substr( md5( implode( ',', $ids ) . ':' . time() ), 0, 6 );
+        wp_cache_set('last_changed', $last_changed, 'terms');
 }