wp_cache_add_global_groups() and wp_cache_add_non_persistent_groups(). fixes #6740

git-svn-id: http://svn.automattic.com/wordpress/trunk@7986 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/cache.php

@@ -137,6 +137,30 @@ function wp_cache_set($key, $data, $flag = '', $expire = 0) {
 	return $wp_object_cache->set($key, $data, $flag, $expire);
 }
 
+/**
+ * wp_cache_add_global_groups() - Adds a group or set of groups to the list of global groups
+ *
+ * @since 2.6
+ *
+ * @param string|array $groups A group or an array of groups to add
+ */
+function wp_cache_add_global_groups( $groups ) {
+	// Default cache doesn't persist so nothing to do here.
+	return;
+}
+
+/**
+ * wp_cache_add_non_persistent_groups() - Adds a group or set of groups to the list of non-persistent groups
+ *
+ * @since 2.6
+ *
+ * @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.
+	return;
+}
+
 /**
  * WordPress Object Cache
  *
@@ -173,15 +197,6 @@ class WP_Object_Cache {
 	 */
 	var $non_existant_objects = array ();
 
-	/**
-	 * Object caches that are global
-	 *
-	 * @var array
-	 * @access private
-	 * @since 2.0
-	 */
-	var $global_groups = array ('users', 'userlogins', 'usermeta');
-
 	/**
 	 * The amount of times the cache data was already stored in the cache.
 	 *

wp-settings.php

@@ -219,6 +219,10 @@ else
 	require_once (ABSPATH . WPINC . '/cache.php');
 
 wp_cache_init();
+if ( function_exists('wp_cache_add_global_groups') ) {
+	wp_cache_add_global_groups(array ('users', 'userlogins', 'usermeta'));
+	wp_cache_add_non_persistent_groups(array( 'comment', 'counts' ));
+}
 
 require (ABSPATH . WPINC . '/plugin.php');
 require (ABSPATH . WPINC . '/default-filters.php');