Fix possible PHP warning in in_array_nocase() when 2nd argument is not an array

Conflicts:

	program/include/rcube_shared.inc

1 files changed, 5 insertions, 3 deletions

diff --git a/program/include/rcube_shared.inc b/program/include/rcube_shared.inc
index ab4b77bae..8f5f0739a 100644
--- a/program/include/rcube_shared.inc
+++ b/program/include/rcube_shared.inc
@@ -82,9 +82,11 @@ function send_future_expire_header($offset=2600000)
 function in_array_nocase($needle, $haystack)
 {
   $needle = mb_strtolower($needle);
-  foreach ($haystack as $value)
-    if ($needle===mb_strtolower($value))
-      return true;
+  foreach ((array)$haystack as $value) {
+    if ($needle === mb_strtolower($value)) {
+       return true;
+    }
+  }
 
   return false;
 }