From d78564abcaa254b043650e4480df6c477f783e58 Mon Sep 17 00:00:00 2001
From: alecpl <alec@alec.pl>
Date: Wed, 28 Jul 2010 09:02:41 +0000
Subject: [PATCH] - Fix performance in array_keys_recursive()

---
 program/include/rcube_shared.inc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/program/include/rcube_shared.inc b/program/include/rcube_shared.inc
index 7bb47a5f0..92785124a 100644
--- a/program/include/rcube_shared.inc
+++ b/program/include/rcube_shared.inc
@@ -632,8 +632,8 @@ function array_keys_recursive($array)
   if (!empty($array))
     foreach ($array as $key => $child) {
       $keys[] = $key;
-      if ($children = array_keys_recursive($child))
-        $keys = array_merge($keys, $children);
+      foreach (array_keys_recursive($child) as $val)
+        $keys[] = $val;
     }
   return $keys;
 }