From 49192eeac2bb2f7d1203aadad26966e04e0b842c Mon Sep 17 00:00:00 2001
From: Nikola Bozhkov <n.bozhkov@ucl.ac.uk>
Date: Tue, 23 Jan 2024 09:10:06 +0000
Subject: [PATCH] Simplify function

---
 renderer.php | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/renderer.php b/renderer.php
index 49e1af0..8becc05 100644
--- a/renderer.php
+++ b/renderer.php
@@ -160,14 +160,12 @@ public function fetch_course_read_only_notification(): string {
      */
     public function show_unfreeze_button(int $courseid): string {
         $context = context_course::instance($courseid);
-        $content ='';
         $freezeurl = new moodle_url('/admin/lock.php', ['id' => $context->id]);
-        $content .= html_writer::div(
+        return html_writer::div(
             '<a href="' . $freezeurl .' " class="btn btn-primary">' . 
             get_string('button:unfreezecoursecontext', 'block_lifecycle') . 
             '</a>'   
         );
 
-        return $content;
     }    
 }