3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo strtotime('+ 48 hours', null); echo ' '; echo strtotime('+ 48 hours', 0); echo ' '; echo time();
based on NH4dI
Output for 4.3.0 - 4.4.9, 5.0.3 - 5.0.5, 5.1.3 - 5.1.6, 5.2.2 - 5.3.19, 5.3.21 - 5.4.20, 5.4.22 - 5.5.14, 5.5.16 - 5.5.20, 5.5.22 - 5.6.21, 5.6.23 - 7.0.6, 7.0.8 - 7.1.1, 7.1.3 - 7.3.0
172800 172800 1428957376
Output for 5.2.0 - 5.2.1, 5.3.20, 5.4.21, 5.5.15, 5.5.21, 5.6.22, 7.0.7, 7.1.2
172800 172800 1428957377
Output for 5.1.0 - 5.1.2
1428957376
Output for 5.0.0 - 5.0.2
169200 169200 1428957376