From f0f8ed081a8af374676dea9f97b60e336f8b4ae7 Mon Sep 17 00:00:00 2001
From: Alexander Schmidt <alex@treefish.org>
Date: Thu, 27 Sep 2012 18:31:10 +0200
Subject: [PATCH] ...

---
 summary.php | 22 ++++++++++++----------
 1 file changed, 12 insertions(+), 10 deletions(-)

diff --git a/summary.php b/summary.php
index ee3d734..cfc0565 100644
--- a/summary.php
+++ b/summary.php
@@ -17,20 +17,22 @@
 
     $tot_done = 0;
 
-    foreach ($SESSIONS as $session) {
-      if ($session['id'] == $SESSIONS_next) { break; }
+    if( isset($SESSIONS) ) {
+      foreach ($SESSIONS as $session) {
+        if ($session['id'] == $SESSIONS_next) { break; }
 
-      $exdone = $db->query("SELECT thisdone, manydone FROM workdone WHERE mnumber=" . $mnumber . " AND session=" . $session['id'])->fetch(PDO::FETCH_NUM);
+        $exdone = $db->query("SELECT thisdone, manydone FROM workdone WHERE mnumber=" . $mnumber . " AND session=" . $session['id'])->fetch(PDO::FETCH_NUM);
 
-      if ( $exdone[1] == "" ) { $exdone[1] = "0"; }
+        if ( $exdone[1] == "" ) { $exdone[1] = "0"; }
 
-      $tot_done = $tot_done + $exdone[1];
+        $tot_done = $tot_done + $exdone[1];
 
-      print "<tr>";
-      print "<td>" . $session['timestr'] . "&nbsp;&nbsp;</td>";
-      print "<td>" . $session['examples'] . "(" . $session['nexamples'] . ")" . "&nbsp;&nbsp;</td>";
-      print "<td>" . $exdone[1] . "/" . $session['nexamples'] . "(" . $exdone[0] . ")" . "&nbsp;&nbsp;</td>";
-      print "</tr>";
+        print "<tr>";
+        print "<td>" . $session['timestr'] . "&nbsp;&nbsp;</td>";
+        print "<td>" . $session['examples'] . "(" . $session['nexamples'] . ")" . "&nbsp;&nbsp;</td>";
+        print "<td>" . $exdone[1] . "/" . $session['nexamples'] . "(" . $exdone[0] . ")" . "&nbsp;&nbsp;</td>";
+        print "</tr>";
+      }
     }
     print "<tr>";
     print "<td></td><td></td><td><b>" . $tot_done . "/" . $SESSIONS_totex . "</b></td>";
-- 
2.39.5