fix warning in hotkey help dialog when disabled hotkey is processed

diff --git a/classes/backend.php b/classes/backend.php
index d9a7a9fec5b8ff41f3ecec90c07b697db2c42858..5473c5c796aa0a726a84ca072d35582463e9bd46 100644 (file)
--- a/classes/backend.php
+++ b/classes/backend.php
@@ -39,18 +39,19 @@ class Backend extends Handler {
 
                        foreach ($hotkeys as $action => $description) {
 
-                               foreach ($omap[$action] as $sequence) {
-                                       if (strpos($sequence, "|") !== FALSE) {
-                                               $sequence = substr($sequence,
-                                                       strpos($sequence, "|")+1,
-                                                       strlen($sequence));
+                               if (is_array($omap[$action])) {
+                                       foreach ($omap[$action] as $sequence) {
+                                               if (strpos($sequence, "|") !== FALSE) {
+                                                       $sequence = substr($sequence,
+                                                               strpos($sequence, "|")+1,
+                                                               strlen($sequence));
+                                               }
+
+                                               print "<li>";
+                                               print "<span class='hksequence'>$sequence</span>";
+                                               print $description;
+                                               print "</li>";
                                        }
-
-                                       print "<li>";
-                                       print "<span class='hksequence'>$sequence</span>";
-                                       print $description;
-                                       print "</li>";
-
                                }
                        }
                }