3v4l.org

run code in 300+ PHP versions simultaneously
<?php $weekDate = new DateTime('- 1 week'); echo $weekDate->format('Y-m-d')."\n"; for($i=0;$i<8;$i++) { $future = new DateTime('+ 1 days'); echo $future->format('Y-m-d')."\n"; }
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.27, 8.3.0 - 8.3.15, 8.4.1 - 8.4.2
2016-06-19 2016-06-27 2016-06-27 2016-06-27 2016-06-27 2016-06-27 2016-06-27 2016-06-27 2016-06-27
preferences:
36.91 ms | 408 KiB | 5 Q