From ca8416e03637b99cf5846e6e3116ce4d2fcee5a0 Mon Sep 17 00:00:00 2001
From: Dries Buytaert <dries@buytaert.net>
Date: Thu, 3 Dec 2009 20:21:50 +0000
Subject: - Patch #542658 by sun: follow-up on move action 'tabs' out of local
 tasks.

---
 modules/taxonomy/taxonomy.module | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'modules/taxonomy/taxonomy.module')

diff --git a/modules/taxonomy/taxonomy.module b/modules/taxonomy/taxonomy.module
index 79826cc19..83c71e06e 100644
--- a/modules/taxonomy/taxonomy.module
+++ b/modules/taxonomy/taxonomy.module
@@ -646,6 +646,12 @@ function taxonomy_get_parents($tid, $key = 'tid') {
  * Find all ancestors of a given term ID.
  */
 function taxonomy_get_parents_all($tid) {
+  $cache = &drupal_static(__FUNCTION__, array());
+
+  if (isset($cache[$tid])) {
+    return $cache[$tid];
+  }
+
   $parents = array();
   if ($term = taxonomy_term_load($tid)) {
     $parents[] = $term;
@@ -655,6 +661,9 @@ function taxonomy_get_parents_all($tid) {
       $n++;
     }
   }
+
+  $cache[$tid] = $parents;
+
   return $parents;
 }
 
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