Add missing validation hide_course_rating see #1766

main/inc/lib/course.lib.php

@@ -4921,9 +4921,15 @@ class CourseManager
             /* get_lang('Description') */
             $my_course['teachers'] = self::getTeachersFromCourse($course_info['real_id'], false);
             $point_info = self::get_course_ranking($course_info['real_id'], 0);
-            $my_course['rating_html'] = Display::return_rating_system('star_' . $course_info['real_id'],
-                $ajax_url . '&course_id=' . $course_info['real_id'], $point_info);
 
+            $my_course['rating_html'] = '';
+            if (api_get_configuration_value('hide_course_rating') === false) {
+                $my_course['rating_html'] = Display::return_rating_system(
+                    'star_'.$course_info['real_id'],
+                    $ajax_url.'&course_id='.$course_info['real_id'],
+                    $point_info
+                );
+            }
             $hotCourses[] = $my_course;
         }