MDL-36845 excel export: don't output invalid sheet names.

We should clean any proposed worksheet name, to remove the characters that Excel does not allow.
2012-11-30 14:57:03 +00:00
parent 15b3a4398a
commit f196602737
2 changed files with 6 additions and 3 deletions
@@ -1505,7 +1505,7 @@ class table_spreadsheet_export_format_parent extends table_default_export_format
    }

    function start_table($sheettitle) {
-        $this->worksheet =& $this->workbook->add_worksheet($sheettitle);
+        $this->worksheet = $this->workbook->add_worksheet($sheettitle);
        $this->rownum=0;
    }