MDL-42604 scorm: Fix division by zero warnings in error logs

moodle · Oct 30, 2013 · 1efa930 · 1efa930
1 parent b6ced2f
commit 1efa930
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/mod/scorm/report/graphs/graph.php b/mod/scorm/report/graphs/graph.php
@@ -168,7 +168,7 @@
         $gridlines /= 2;
     }
 }
-
-$line->parameter['y_axis_gridlines'] = $gridlines + 1;
+$gridlines = max(2, ($gridlines + 1)); // We need a minimum of two lines.
+$line->parameter['y_axis_gridlines'] = $gridlines;
 
 $line->draw();