From f104a58fe04c1486dfd9df92f247a1d28cb31293 Mon Sep 17 00:00:00 2001
From: Juan Leyva <juanleyvadelgado@gmail.com>
Date: Fri, 2 Dec 2016 12:29:51 +0000
Subject: [PATCH] MDL-57255 gradereport_user: Fix default value for graderaw

graderaw is a PARAM_FLOAT, the default to empty string was incorrect
---
 grade/report/user/lib.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/grade/report/user/lib.php b/grade/report/user/lib.php
index c6978e4b05808..e582b7a05a150 100644
--- a/grade/report/user/lib.php
+++ b/grade/report/user/lib.php
@@ -544,7 +544,7 @@ private function fill_table_recursive(&$element) {
                 }
 
                 if ($this->showgrade) {
-                    $gradeitemdata['graderaw'] = '';
+                    $gradeitemdata['graderaw'] = null;
                     $gradeitemdata['gradehiddenbydate'] = false;
                     $gradeitemdata['gradeneedsupdate'] = $grade_grade->grade_item->needsupdate;
                     $gradeitemdata['gradeishidden'] = $grade_grade->is_hidden();