X-Git-Url: https://git.treefish.org/banana.git/blobdiff_plain/2c45a56043747bc7b524cdff4d00ff925b1a9544..309064d89e38961b4692fd97ba1854b7db963b1e:/submit.php

diff --git a/submit.php b/submit.php
index 69d9ab8..2e88c85 100644
--- a/submit.php
+++ b/submit.php
@@ -41,6 +41,14 @@
     print '</table>';
     break;
   }
+
+  if(trim(end($sessions)[0]) == "") {
+    print '<table bgcolor="red">';
+      print '<tr><th><b><font color="white">no exercises defined</font></b></th><tr>';
+    print '</table>';
+    break;
+  }
+
 ?>
 
   <form method="post" action="<?php echo $_SERVER['PHP_SELF']; ?>">