Ticket #23326: 23326.diff

wp-includes/taxonomy.php

@@ -1240 +1240 @@
         // $args can be whatever, only use the args defined in defaults to compute the key
         $filter_key = ( has_filter('list_terms_exclusions') ) ? serialize($GLOBALS['wp_filter']['list_terms_exclusions']) : '';
         $key = md5( serialize( compact(array_keys($defaults)) ) . serialize( $taxonomies ) . $filter_key );
-        $last_changed = wp_cache_get('last_changed', 'terms');
-        if ( !$last_changed ) {
-                $last_changed = time();
-                wp_cache_set('last_changed', $last_changed, 'terms');
+        $last_changed = wp_cache_get( 'last_changed', 'terms' );
+        if ( ! $last_changed ) {
+                $last_changed = 1;
+                wp_cache_set( 'last_changed', $last_changed, 'terms' );
         }
         $cache_key = "get_terms:$key:$last_changed";
         $cache = wp_cache_get( $cache_key, 'terms' );
@@ -2632 +2632 @@
                 do_action('clean_term_cache', $ids, $taxonomy);
         }
 
-        wp_cache_set('last_changed', time(), 'terms');
+        if ( function_exists( 'wp_cache_incr' ) ) {
+                wp_cache_incr( 'last_changed', 1, 'terms' );
+        } else {
+                $last_changed = wp_cache_get( 'last_changed', 'terms' );
+                wp_cache_set( 'last_changed', $last_changed + 1, 'terms' );
+        }
 }
 
 /**