From 1ba60572b3e270977878f2fb2d5ffc43be969fbe Mon Sep 17 00:00:00 2001
From: "vlad.kidanov" <vlad.kidanov@catalyst-eu.net>
Date: Tue, 20 Aug 2024 10:34:29 +0100
Subject: [PATCH] MDL-82492 gradereport_grader: Grader report HTML output
 optimization

---
 grade/report/grader/lib.php | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/grade/report/grader/lib.php b/grade/report/grader/lib.php
index 09c6d7cedf3..08c92d89541 100644
--- a/grade/report/grader/lib.php
+++ b/grade/report/grader/lib.php
@@ -1283,6 +1283,8 @@ class grade_report_grader extends grade_report {
         foreach ($leftrows as $key => $row) {
             $row->cells = array_merge($row->cells, $rightrows[$key]->cells);
             $fulltable->data[] = $row;
+            unset($leftrows[$key]);
+            unset($rightrows[$key]);
         }
         $html .= html_writer::table($fulltable);
         return $OUTPUT->container($html, 'gradeparent');