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

2013-10-30 10:47:53 +08:00
parent b6ced2f7e4
commit 1efa930202
1 changed files with 2 additions and 2 deletions
@@ -168,7 +168,7 @@ while ($gridlines >= 10) {
        $gridlines /= 2;
    }
 }
-
-$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();