minor bugfix for when there's no tag

diff --git a/planetlab/nodes/slivers.php b/planetlab/nodes/slivers.php
index 62e46de..7310eb5 100644 (file)
--- a/planetlab/nodes/slivers.php
+++ b/planetlab/nodes/slivers.php
@@ -60,7 +60,7 @@ if( $_GET['slice_id'] && $_GET['node_id'] ) {
     $form->start();
     $table->start();
 
-    foreach ($tags as $tag) {
+    if ($tags) foreach ($tags as $tag) {
         $table->row_start();
         $table->cell($tag['tagname']);
         $table->cell($tag['value']);