prevent notice when sidebar blocks are not defined

diff --git a/data/templates/default/sidebar.tpl.php b/data/templates/default/sidebar.tpl.php
index e823af508543531f02ba256794a221f25f406912..b4fac9609de47f42c86fab7ee892f40ca5695b17 100644 (file)
--- a/data/templates/default/sidebar.tpl.php
+++ b/data/templates/default/sidebar.tpl.php
@@ -1,4 +1,6 @@
-<?php if($GLOBALS['enableAdminColors']!=false && isset($userid) && $userservice->isAdmin($userid)): ?>
+<?php if ($GLOBALS['enableAdminColors'] != false
+    && isset($userid) && $userservice->isAdmin($userid)
+): ?>
 <div id="sidebar" class="adminBackground">
 <?php else: ?>
 <div id="sidebar">
@@ -8,9 +10,11 @@
 <?php
 echo $GLOBALS['sidebarTopMessage'].' ';
 
-$size = count($sidebar_blocks);
-for ($i = 0; $i < $size; $i++) {
-       $this->includeTemplate('sidebar.block.'. $sidebar_blocks[$i]);
+if (isset($sidebar_blocks) && count($sidebar_blocks)) {
+    $size = count($sidebar_blocks);
+    for ($i = 0; $i < $size; $i++) {
+        $this->includeTemplate('sidebar.block.'. $sidebar_blocks[$i]);
+    }
 }
 
 echo $GLOBALS['sidebarBottomMessage'];