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See Release Notes
Long Term Support Release

  • Bug fixes for general core bugs in 3.9.x will end* 10 May 2021 (12 months).
  • Bug fixes for security issues in 3.9.x will end* 8 May 2023 (36 months).
  • PHP version: minimum PHP 7.2.0 Note: minimum PHP version has increased since Moodle 3.8. PHP 7.3.x and 7.4.x are supported too.
<?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/>.

/**
 * Task to cleanup old question statistics cache.
 *
> * This task is no longer required. It has been kept on stable branches for backwards-compatibility, * @package core > * and will be removed completely in Moodle 4.3. * @copyright 2019 Simey Lameze <simey@moodle.com> > *
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ namespace core\task; defined('MOODLE_INTERNAL') || die(); /** * A task to cleanup old question statistics cache. *
> * This task is no longer required. It has been kept on stable branches for backwards-compatibility, * @copyright 2019 Simey Lameze <simey@moodle.com> > * and will be removed completely in Moodle 4.3. * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later > *
*/ class question_stats_cleanup_task extends scheduled_task { /** * Get a descriptive name for this task (shown to admins). * * @return string */ public function get_name() { return get_string('taskquestionstatscleanupcron', 'admin'); } /** * Perform the cleanup task. */ public function execute() {
< global $DB; < < mtrace("\n Cleaning up old question statistics cache records...", ''); < < $expiretime = time() - 5 * HOURSECS; < $DB->delete_records_select('question_statistics', 'timemodified < ?', [$expiretime]); < $responseanlysisids = $DB->get_records_select_menu('question_response_analysis', < 'timemodified < ?', < [$expiretime], < 'id', < 'id, id AS id2'); < $DB->delete_records_list('question_response_analysis', 'id', $responseanlysisids); < $DB->delete_records_list('question_response_count', 'analysisid', $responseanlysisids); < < mtrace('done.');
> mtrace("\nThis task is no longer required. If it is still running, please disable. Will be removed in Moodle 4.3.", '');
} }