Improve the Hidden sections setting (MDL-79918) WIP 2

Author: james-cnz

lib.php

@@ -1049,22 +1049,24 @@ public function course_format_options($foreditform = false): array {
             ];
         }
         if ($foreditform && !isset($courseformatoptions['hiddensections']['label'])) { // CHANGED.
-            $hiddensectionslist = new core\output\choicelist();
-            $hiddensectionslist->set_allow_empty(false);
-            $hiddensectionslist->add_option(
-                1,
-                new lang_string('hiddensectionsinvisible'),
-                [
-                    'description' => new lang_string('hiddensectionsinvisible_description'),
-                ],
-            );
-            $hiddensectionslist->add_option(
-                0,
-                new lang_string('hiddensectionscollapsed'),
-                [
-                    'description' => new lang_string('hiddensectionscollapsed_description'),
-                ],
-            );
+            if ($CFG->version >= 2025082900) {
+                $hiddensectionslist = new core\output\choicelist();
+                $hiddensectionslist->set_allow_empty(false);
+                $hiddensectionslist->add_option(
+                    1,
+                    new lang_string('hiddensectionsinvisible'),
+                    [
+                        'description' => new lang_string('hiddensectionsinvisible_description'),
+                    ],
+                );
+                $hiddensectionslist->add_option(
+                    0,
+                    new lang_string('hiddensectionscollapsed'),
+                    [
+                        'description' => new lang_string('hiddensectionscollapsed_description'),
+                    ],
+                );
+            }
 
             $courseformatoptionsedit = [
                 // INCLUDED /course/format/periods/lib.php function course_format_options $foreditform 'periodduration' .