3v4l.org

run code in 200+ php & hhvm versions
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<?php echo strtotime('-1 days'); die();
Output for 5.6.28, 7.0.20 - 7.2.0
1446783176
Output for 7.0.6
1462206483
Output for 7.0.5
1459572799
Output for 7.0.4
1457545199
Output for 7.0.3
1458240502
Output for 7.0.2
1458608150
Output for 7.0.1
1458707730
Output for 7.0.0
1458973903
Output for 5.6.21
1462102636
Output for 5.6.20
1460173957
Output for 5.6.19
1457315480
Output for 5.6.18
1457951680
Output for 5.6.17
1458339255
Output for 5.6.16
1459059543
Output for 5.6.15
1459148980
Output for 5.6.14
1459501248
Output for 5.6.13
1460640305
Output for 5.6.12
1461038043
Output for 5.6.11
1461406597
Output for 5.6.10
1461500370
Output for 5.6.9
1461691779
Output for 5.6.8
1461896510
Output for 5.5.35
1463856377
Output for 5.5.34
1460268270
Output for 5.5.33
1457411663
Output for 5.5.32
1458138596
Output for 5.5.31
1458436565
Output for 5.5.30
1459415005
Output for 5.5.29
1460778501
Output for 5.5.28
1461136075
Output for 5.5.27
1461228869
Output for 5.5.26
1461596531
Output for 5.5.25
1461794080
Output for 5.5.24
1463977661
Output for 5.4.41 - 5.4.45
1446783188
Output for 5.4.32 - 5.4.40
1446783189
Output for 5.4.23 - 5.4.31
1446783190
Output for 5.4.15 - 5.4.22
1446783191
Output for 5.4.5 - 5.4.14
1446783192
Output for 5.3.27 - 5.4.4
1446783193
Output for 5.3.19 - 5.3.26
1446783194