3v4l.org

run code in 300+ PHP versions simultaneously
<?php $dates = array( '2014-03-18', '18/03/2014', '2014-03-18 12:34:56', '18/03/2014 12:34:56', ); foreach ($dates as $date) { echo date('Y-m-d H:i:s', strtotime($date))."<br />"; }
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 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 - 7.1.25, 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
2014-03-18 00:00:00<br />1970-01-01 01:00:00<br />2014-03-18 12:34:56<br />1970-01-01 01:00:00<br />
Output for 7.3.32 - 7.3.33, 8.0.13
2014-03-18 00:00:00<br />1970-01-01 00:00:00<br />2014-03-18 12:34:56<br />1970-01-01 00:00:00<br />
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5
2014-03-18 00:00:00<br />2015-06-03 00:00:00<br />2014-03-18 12:34:56<br />2015-06-03 12:34:56<br />

preferences:
263.17 ms | 402 KiB | 360 Q