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<?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/>.
/**
* Show current cache usage (number of items, size of caches).
*
* @package core_cache
* @copyright 2021 The Open University
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once('../config.php');
require_once($CFG->dirroot . '/lib/adminlib.php');
admin_externalpage_setup('cacheusage');
$adminhelper = cache_factory::instance()->get_administration_display_helper();
raise_memory_limit(MEMORY_EXTRA);
$samples = optional_param('samples', 50, PARAM_INT);
// Just for safety reasons, stop people choosing a stupid number.
if ($samples > 1000) {
$samples = 1000;
}
// Get the actual data.
$usage = $adminhelper->get_usage($samples);
// Set up the renderer and organise data to render.
$renderer = $PAGE->get_renderer('core_cache');
[$table, $summarytable] = $renderer->usage_tables($usage);
$form = new \core_cache\output\usage_samples_form();
echo $OUTPUT->header();
echo $renderer->usage_page($table, $summarytable, $form);
echo $OUTPUT->footer();