+ $wp_object_cache->add_global_groups( $groups );
+}
+
+/**
+ * Adds a group or set of groups to the list of non-persistent groups.
+ *
+ * @since 2.6.0
+ *
+ * @param string|array $groups A group or an array of groups to add
+ */
+function wp_cache_add_non_persistent_groups( $groups ) {
+ // Default cache doesn't persist so nothing to do here.
+}
+
+/**
+ * Reset internal cache keys and structures. If the cache backend uses global
+ * blog or site IDs as part of its cache keys, this function instructs the
+ * backend to reset those keys and perform any cleanup since blog or site IDs
+ * have changed since cache init.
+ *
+ * This function is deprecated. Use wp_cache_switch_to_blog() instead of this
+ * function when preparing the cache for a blog switch. For clearing the cache
+ * during unit tests, consider using wp_cache_init(). wp_cache_init() is not
+ * recommended outside of unit tests as the performance penality for using it is
+ * high.
+ *
+ * @since 2.6.0
+ * @deprecated 3.5.0
+ *
+ * @global WP_Object_Cache $wp_object_cache
+ */
+function wp_cache_reset() {
+ _deprecated_function( __FUNCTION__, '3.5' );
+
+ global $wp_object_cache;
+
+ $wp_object_cache->reset();
+}
+
+/**
+ * WordPress Object Cache
+ *
+ * The WordPress Object Cache is used to save on trips to the database. The
+ * Object Cache stores all of the cache data to memory and makes the cache
+ * contents available by using a key, which is used to name and later retrieve
+ * the cache contents.
+ *
+ * The Object Cache can be replaced by other caching mechanisms by placing files
+ * in the wp-content folder which is looked at in wp-settings. If that file
+ * exists, then this file will not be included.
+ *
+ * @package WordPress
+ * @subpackage Cache
+ * @since 2.0.0
+ */