cron.php

<?php
/**
 * @author Bernhard Posselt <dev@bernhard-posselt.com>
 * @author Christopher Schäpers <kondou@ts.unde.re>
 * @author Jakob Sack <mail@jakobsack.de>
 * @author Joas Schilling <coding@schilljs.com>
 * @author Jörn Friedrich Dreyer <jfd@butonic.de>
 * @author Morris Jobke <hey@morrisjobke.de>
 * @author Oliver Kohl D.Sc. <oliver@kohl.bz>
 * @author Philipp Schaffrath <github@philippschaffrath.de>
 * @author RealRancor <fisch.666@gmx.de>
 * @author Robin Appelman <icewind@owncloud.com>
 * @author Steffen Lindner <mail@steffen-lindner.de>
 * @author Thomas Müller <thomas.mueller@tmit.eu>
 * @author Vincent Petry <pvince81@owncloud.com>
 *
 * @copyright Copyright (c) 2018, ownCloud GmbH
 * @license AGPL-3.0
 *
 * This code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License, version 3,
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 *
 */

require_once __DIR__ . '/lib/base.php';

if (!\OC::$CLI) {
	$url = \OC::$server->getURLGenerator()->linkToRoute('core.Cron.run');
	\header("Location: $url");
	return;
}

echo 'Please use ./occ system:cron' . PHP_EOL;
$return = \system('./occ system:cron');
// in case of an error while cron execution we exit with error code as well
if ($return === false) {
	exit(1);
}