From f52c936f4d451a5d3a87d2501aa5a1701cdafde5 Mon Sep 17 00:00:00 2001
From: thomascube <thomas@roundcube.net>
Date: Wed, 17 Mar 2010 12:24:09 +0000
Subject: Merged devel-threads branch (r3066:3364) back into trunk

---
 program/include/rcube_shared.inc | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'program/include/rcube_shared.inc')

diff --git a/program/include/rcube_shared.inc b/program/include/rcube_shared.inc
index f4f23a26b..a130391f7 100644
--- a/program/include/rcube_shared.inc
+++ b/program/include/rcube_shared.inc
@@ -607,6 +607,26 @@ function rcube_explode_quoted_string($delimiter, $string)
 }
 
 
+/**
+ * Get all keys from array (recursive)
+ * 
+ * @param array Input array
+ * @return array
+ */
+function array_keys_recursive($array)
+{
+  $keys = array();
+  
+  if (!empty($array))
+    foreach ($array as $key => $child) {
+      $keys[] = $key;
+      if ($children = array_keys_recursive($child))
+        $keys = array_merge($keys, $children);
+    }
+  return $keys;
+}
+
+
 /**
  * mbstring replacement functions
  */
-- 
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