Cleanup old object cache on cron

ctools.module

@@ -146,3 +146,15 @@ function ctools_access_menu($access) {
   ctools_include('context');
   return ctools_access($access, $contexts);
 }
+
+/**
+ * Implementation of hook_cron. Clean up old caches.
+ */
+function ctools_cron() {
+  if (variable_get('ctools_last_cron', 0) < time() - 86400) {
+    variable_set('ctools_last_cron', time());
+    ctools_include('object-cache');
+    ctools_object_cache_cron();
+  }
+}
+

includes/object-cache.inc

@@ -120,3 +120,11 @@ function ctools_object_cache_clean($age = NULL) {
 function ctools_object_cache_test($obj, $name) {
   return db_fetch_object(db_query("SELECT s.uid, c.updated FROM {ctools_object_cache} c INNER JOIN {sessions}  s ON c.sid = s.sid WHERE s.sid != '%s' AND c.obj = '%s' AND c.name = '%s' ORDER BY c.updated ASC", session_id(), $obj, $name));
 }
+
+/**
+ * Clean up old cached items on cron.
+ */
+function ctools_object_cache_cron() {
+  // delete anything 7 days old or more.
+  db_query("DELETE FROM {ctools_object_cache} WHERE timestamp < %d", time() - (86400 * 7));
+}

plugins/contexts/user.inc

@@ -42,7 +42,7 @@ function ctools_context_create_user($empty, $data = NULL, $conf = FALSE) {
 
   if (!empty($data)) {
     $context->data     = $data;
-    $context->title    = $data->name;
+    $context->title    = isset($data->name) ? $data->name : t('Anonymous');
     $context->argument = $data->uid;
     return $context;
   }