From b2565dd580c7abf7f84adee248a15d17bd7fed19 Mon Sep 17 00:00:00 2001
From: Marina Glancy <marina@moodle.com>
Date: Tue, 31 May 2022 15:54:04 +0200
Subject: [PATCH] MDL-74596 core_admin: option to hide search input on admin
 pages

---
 lib/adminlib.php | 3 ++-
 lib/upgrade.txt  | 1 +
 my/indexsys.php  | 2 +-
 3 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/adminlib.php b/lib/adminlib.php
index 0c0e2e96f9b..d06f99977dc 100644
--- a/lib/adminlib.php
+++ b/lib/adminlib.php
@@ -8785,6 +8785,7 @@ class admin_setting_managecontentbankcontenttypes extends admin_setting {
  *      page (e.g. admin/roles/allow.php, instead of admin/roles/manage.php, you can pass the alternate URL here.
  * @param array $options Additional options that can be specified for page setup.
  *      pagelayout - This option can be used to set a specific pagelyaout, admin is default.
+ *      nosearch - Do not display search bar
  */
 function admin_externalpage_setup($section, $extrabutton = '', array $extraurlparams = null, $actualurl = '', array $options = array()) {
     global $CFG, $PAGE, $USER, $SITE, $OUTPUT;
@@ -8881,7 +8882,7 @@ function admin_externalpage_setup($section, $extrabutton = '', array $extraurlpa
     $PAGE->set_title("$SITE->shortname: " . implode(": ", $visiblepathtosection));
     $PAGE->set_heading($SITE->fullname);
 
-    if ($hassiteconfig) {
+    if ($hassiteconfig && empty($options['nosearch'])) {
         $PAGE->add_header_action($OUTPUT->render_from_template('core_admin/header_search_input', [
             'action' => new moodle_url('/admin/search.php'),
             'query' => $PAGE->url->get_param('query'),
diff --git a/lib/upgrade.txt b/lib/upgrade.txt
index 9840c571708..d3641b37ffe 100644
--- a/lib/upgrade.txt
+++ b/lib/upgrade.txt
@@ -30,6 +30,7 @@ information provided here is intended especially for developers.
   attribute may encounter different behaviours between older Moodle versions (<v3.11.8, <v4.0.2) and the later ones. We recommend
   plugin developers to not use this attribute for Moodle versions 4.0 and below in order to avoid this problem.
 * Added $CFG->proxylogunsafe and proxyfixunsafe to detect code which doesn't honor the proxy config
+* Function admin_externalpage_setup() now has additional option 'nosearch' allowing to remove Site administration search form.
 
 === 4.0 ===
 
diff --git a/my/indexsys.php b/my/indexsys.php
index f8b07c0c8b9..0688ddf1383 100644
--- a/my/indexsys.php
+++ b/my/indexsys.php
@@ -47,7 +47,7 @@ $pagetitle = get_string('mypage', 'admin');
 $PAGE->set_secondary_active_tab('appearance');
 $PAGE->set_blocks_editing_capability('moodle/my:configsyspages');
 $PAGE->set_url(new moodle_url('/my/indexsys.php'));
-admin_externalpage_setup('mypage', '', null, '', array('pagelayout' => 'mydashboard'));
+admin_externalpage_setup('mypage', '', null, '', ['pagelayout' => 'mydashboard', 'nosearch' => true]);
 $PAGE->add_body_class('limitedwidth');
 $PAGE->set_pagetype('my-index');
 $PAGE->blocks->add_region('content');