3v4l.org

run code in 300+ PHP versions simultaneously
<?php $date = strtotime('midnight first day of next month'); echo date('Y-m-d H:i:s', $date), PHP_EOL;
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
2014-12-01 00:00:00
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
1970-01-01 01:00:00
Output for 4.3.10 - 4.3.11, 4.4.0 - 4.4.9, 5.0.2 - 5.0.5
1970-01-01 00:59:59
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1
1970-01-01 00:59:59 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/lS2JY on line 5 PHP_EOL

preferences:
242.85 ms | 401 KiB | 345 Q