3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo time(); echo "\n"; echo strtotime("this week"); echo "\n"; echo time()-strtotime("this week"); echo "\n"; echo time()-(time()-strtotime("this week")); ?>
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 - 7.1.33, 7.2.0 - 7.2.25, 7.3.0 - 7.3.12, 7.4.0
1374617770 1374444970 172800 1374444970
Output for 4.3.5 - 4.3.11, 4.4.0 - 4.4.9, 5.0.3 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
1374617770 1374617770 0 1374617770
Output for 5.0.0 - 5.0.2
1374617770 1374616800 970 1374616800
Output for 4.3.0 - 4.3.4
1374617770 1375222570 -604800 1375222570
preferences:
212.65 ms | 401 KiB | 259 Q