3v4l.org

run code in 300+ PHP versions simultaneously
<?php $date = strtotime('first day next month'); echo date('Y-m-d H:is', $date), PHP_EOL;
Output for 4.4.0 - 4.4.9, 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.3 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
2014-12-03 12:5509
Output for 7.3.32 - 7.3.33, 8.0.13
2014-12-03 11:5509
Output for 5.3.0 - 5.3.2
2014-12-01 12:5509
Output for 4.3.10 - 4.3.11, 5.0.3 - 5.0.4
2015-01-03 12:5509
Output for 5.0.2
2015-01-03 00:0000
Output for 5.0.0 - 5.0.1
2015-01-03 00:0000 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/Cf3Y0 on line 5 PHP_EOL
Output for 4.3.0 - 4.3.9
2015-01-03 12:5509 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/Cf3Y0 on line 5 PHP_EOL

preferences:
256.34 ms | 401 KiB | 455 Q