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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/>.
/**
* Legacy Cron Quiz Reports Task
*
* @package quiz_statistics
* @copyright 2017 Michael Hughes, University of Strathclyde
* @author Michael Hughes <michaelhughes@strath.ac.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*
*/
namespace quiz_statistics\task;
defined('MOODLE_INTERNAL') || die();
/**
* Legacy Cron Quiz Reports Task
*
* @package quiz_statistics
* @copyright 2017 Michael Hughes
* @author Michael Hughes
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*
*/
class quiz_statistics_cleanup extends \core\task\scheduled_task {
public function get_name() {
return get_string('quizstatisticscleanuptask', 'quiz_statistics');
}
/**
* Run the clean up task.
*/
public function execute() {
global $DB;
$expiretime = time() - 4 * HOURSECS;
$DB->delete_records_select('quiz_statistics', 'timemodified < ?', array($expiretime));
return true;
}
}
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