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See Release Notes
Long Term Support Release

  • Bug fixes for general core bugs in 4.1.x will end 13 November 2023 (12 months).
  • Bug fixes for security issues in 4.1.x will end 10 November 2025 (36 months).
  • PHP version: minimum PHP 7.4.0 Note: minimum PHP version has increased since Moodle 4.0. PHP 8.0.x is supported too.
/cache/ -> admin.php (source)
<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * The administration and management interface for the cache setup and configuration.
 *
 * This file is part of Moodle's cache API, affectionately called MUC.
 *
 * @package    core
 * @category   cache
 * @copyright  2012 Sam Hemelryk
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

require_once('../config.php');
require_once($CFG->dirroot.'/lib/adminlib.php');
require_once($CFG->dirroot.'/cache/locallib.php');
require_once($CFG->dirroot.'/cache/forms.php');

// The first time the user visits this page we are going to reparse the definitions.
// Just ensures that everything is up to date.
// We flag is session so that this only happens once as people are likely to hit
// this page several times if making changes.
if (empty($SESSION->cacheadminreparsedefinitions)) {
    cache_helper::update_definitions();
    $SESSION->cacheadminreparsedefinitions = true;
}

$action = optional_param('action', null, PARAM_ALPHA);

admin_externalpage_setup('cacheconfig');
$adminhelper = cache_factory::instance()->get_administration_display_helper();

$notifications = array();
// Empty array to hold any form information returned from actions.
$forminfo = [];

> $PAGE->set_primary_active_tab('siteadminnode'); // Handle page actions in admin helper class. > $PAGE->navbar->add(get_string('cacheconfig', 'cache'), new moodle_url('/cache/admin.php')); if (!empty($action) && confirm_sesskey()) { >
< if (!empty($action) && confirm_sesskey()) {
> if (!empty($action)) {
} // Add cache store warnings to the list of notifications. // Obviously as these are warnings they are show as failures. foreach (cache_helper::warnings(core_cache\administration_helper::get_store_instance_summaries()) as $warning) { $notifications[] = array($warning, false); } // Decide on display mode based on returned forminfo. $mform = array_key_exists('form', $forminfo) ? $forminfo['form'] : null; $title = array_key_exists('title', $forminfo) ? $forminfo['title'] : new lang_string('cacheadmin', 'cache'); $PAGE->set_title($title); $PAGE->set_heading($SITE->fullname);
< /* @var core_cache_renderer $renderer */
> > /** @var \core_cache\output\renderer $renderer */
$renderer = $PAGE->get_renderer('core_cache'); echo $renderer->header(); echo $renderer->heading($title); echo $renderer->notifications($notifications); if ($mform instanceof moodleform) { $mform->display(); } else { // Handle main page definition in admin helper class. echo $adminhelper->generate_admin_page($renderer); } echo $renderer->footer();