nextcloud/lib/versioncheck.php

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<?php
/**
*
*
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
* @author Daniel Kesselberg <mail@danielkesselberg.de>
* @author Roeland Jago Douma <roeland@famdouma.nl>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* 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
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
// Show warning if a PHP version below 7.3 is used,
if (PHP_VERSION_ID < 70300) {
http_response_code(500);
echo 'This version of Nextcloud requires at least PHP 7.3<br/>';
echo 'You are currently running ' . PHP_VERSION . '. Please update your PHP version.';
exit(-1);
}
// Show warning if > PHP 7.4 is used as Nextcloud is not compatible with > PHP 7.4 for now
if (PHP_VERSION_ID >= 70500) {
http_response_code(500);
echo 'This version of Nextcloud is not compatible with > PHP 7.4.<br/>';
echo 'You are currently running ' . PHP_VERSION . '.';
exit(-1);
}