3v4l.org

run code in 300+ PHP versions simultaneously
<?php $format = 'Y-m-d H:i:s'; $daysAgo = 7; $dayStart = new DateTime("midnight $daysAgo days ago"); $dayEnd = new DateTime('midnight '.($daysAgo-1).' days ago'); echo $dayStart->format($format); echo $dayEnd->format($format);
Output for 5.6.28, 7.0.20, 7.1.0 - 7.1.33, 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
2015-10-29 00:00:002015-10-30 00:00:00
Output for 7.0.6
2016-04-26 00:00:002016-04-27 00:00:00
Output for 7.0.5
2016-03-27 00:00:002016-03-28 00:00:00
Output for 7.0.4
2016-03-03 00:00:002016-03-04 00:00:00
Output for 7.0.3
2016-03-11 00:00:002016-03-12 00:00:00
Output for 7.0.2
2016-03-16 00:00:002016-03-17 00:00:00
Output for 7.0.1
2016-03-17 00:00:002016-03-18 00:00:00
Output for 7.0.0
2016-03-20 00:00:002016-03-21 00:00:00
Output for 5.6.21
2016-04-25 00:00:002016-04-26 00:00:00
Output for 5.6.20
2016-04-03 00:00:002016-04-04 00:00:00
Output for 5.6.19
2016-03-01 00:00:002016-03-02 00:00:00
Output for 5.6.18
2016-03-08 00:00:002016-03-09 00:00:00
Output for 5.6.17
2016-03-12 00:00:002016-03-13 00:00:00
Output for 5.6.16
2016-03-21 00:00:002016-03-22 00:00:00
Output for 5.6.15
2016-03-22 00:00:002016-03-23 00:00:00
Output for 5.6.14
2016-03-26 00:00:002016-03-27 00:00:00
Output for 5.6.13
2016-04-08 00:00:002016-04-09 00:00:00
Output for 5.6.12
2016-04-13 00:00:002016-04-14 00:00:00
Output for 5.6.11
2016-04-17 00:00:002016-04-18 00:00:00
Output for 5.6.10
2016-04-18 00:00:002016-04-19 00:00:00
Output for 5.6.9
2016-04-20 00:00:002016-04-21 00:00:00
Output for 5.6.8
2016-04-23 00:00:002016-04-24 00:00:00
Output for 5.5.35
2016-05-15 00:00:002016-05-16 00:00:00
Output for 5.5.34
2016-04-04 00:00:002016-04-05 00:00:00
Output for 5.5.33
2016-03-02 00:00:002016-03-03 00:00:00
Output for 5.5.32
2016-03-10 00:00:002016-03-11 00:00:00
Output for 5.5.31
2016-03-14 00:00:002016-03-15 00:00:00
Output for 5.5.30
2016-03-25 00:00:002016-03-26 00:00:00
Output for 5.5.29
2016-04-10 00:00:002016-04-11 00:00:00
Output for 5.5.28
2016-04-14 00:00:002016-04-15 00:00:00
Output for 5.5.27
2016-04-15 00:00:002016-04-16 00:00:00
Output for 5.5.26
2016-04-19 00:00:002016-04-20 00:00:00
Output for 5.5.25
2016-04-21 00:00:002016-04-22 00:00:00
Output for 5.5.24
2016-05-17 00:00:002016-05-18 00:00:00

preferences:
173.58 ms | 401 KiB | 223 Q