3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo strtotime('+48 hours', null); echo " "; echo strtotime('+48 hours', 0); echo " "; echo strtotime('+48 hours', strtotime('2015-05-06 11:41:30'));
Output for 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
1431103744 172800 1431078090
Output for 8.0.13
1431103744 172800 1431085290
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.3 - 5.0.5, 5.1.3 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 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
172800 172800 1431078090
Output for 7.3.32 - 7.3.33
172800 172800 1431085290
Output for 5.1.0 - 5.1.2
1431078090
Output for 5.0.0 - 5.0.2
169200 169200 1431036000
preferences:
325.56 ms | 401 KiB | 459 Q