1 files changed, 24 insertions, 0 deletions
diff --git a/inc/pageutils.php b/inc/pageutils.php
index c94d14624..f525c44d0 100644
--- a/inc/pageutils.php
+++ b/inc/pageutils.php
@@ -622,3 +622,27 @@ function utf8_decodeFN($file){
     return urldecode($file);
 }
 
+/**
+ * Find a page in the current namespace (determined from $ID) or any
+ * higher namespace
+ *
+ * Used for sidebars, but can be used other stuff as well
+ *
+ * @todo   add event hook
+ * @param  string $page the pagename you're looking for
+ * @return string|false the full page id of the found page, false if any
+ */
+function page_findnearest($page){
+    global $ID;
+
+    $ns = $ID;
+    do {
+        $ns = getNS($ns);
+        $pageid = ltrim("$ns:$page",':');
+        if(page_exists($pageid)){
+            return $pageid;
+        }
+    } while($ns);
+
+    return false;
+}