1 files changed, 2 insertions, 1 deletions
diff --git a/vendors/kses/kses.php b/vendors/kses/kses.php
index bd6b19de2..d97d8601d 100644
--- a/vendors/kses/kses.php
+++ b/vendors/kses/kses.php
@@ -425,7 +425,8 @@ function kses_array_lc($inarray)
 ###############################################################################
 {
   $outarray = array();
-
+
+  if (sizeof($inarray))
   foreach ($inarray as $inkey => $inval)
   {
     $outkey = strtolower($inkey);