3v4l.org

run code in 150+ php & hhvm versions
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<?php print_r(strtotime("-30 days"));
Output for 5.6.28, 7.0.14 - 7.1.0
1410876678
Output for 7.0.6
1459648512
Output for 7.0.5
1457021233
Output for 7.0.4
1454982550
Output for 7.0.3
1455674610
Output for 7.0.2
1455971768
Output for 7.0.1
1456145343
Output for 7.0.0
1456413008
Output for 5.6.21
1459544343
Output for 5.6.20
1457608930
Output for 5.6.19
1454718835
Output for 5.6.18
1455367352
Output for 5.6.17
1455777159
Output for 5.6.16
1456505787
Output for 5.6.15
1456595336
Output for 5.6.14
1456950249
Output for 5.6.13
1458087684
Output for 5.6.12
1458480498
Output for 5.6.11
1458765840
Output for 5.6.10
1458944513
Output for 5.6.9
1459132466
Output for 5.6.8
1459333107
Output for 5.6.7
1461535572
Output for 5.5.35
1461284748
Output for 5.5.34
1457716786
Output for 5.5.33
1454849053
Output for 5.5.32
1455560842
Output for 5.5.31
1455873850
Output for 5.5.30
1456861791
Output for 5.5.29
1458224614
Output for 5.5.28
1458578702
Output for 5.5.27
1458673923
Output for 5.5.26
1459039902
Output for 5.5.25
1459230713
Output for 5.5.24
1459430226
Output for 5.4.45
1440248586
Output for 5.4.44
1436746409
Output for 5.4.43
1436746405
Output for 5.4.42
1433834382
Output for 5.4.41
1433834380
Output for 5.4.39 - 5.4.40
1433834376
Output for 5.4.38
1433834374
Output for 5.4.37
1433834372
Output for 5.4.34 - 5.4.36
1433834371
Output for 5.4.17 - 5.4.32
1410876683
Output for 5.3.29 - 5.4.16
1410876684
Output for 5.3.10 - 5.3.28
1410876685
Output for 5.2.5 - 5.3.9
1410876686
Output for 4.3.6 - 4.4.9, 5.0.3 - 5.2.4
1410876687
Output for 5.0.0 - 5.0.2
1410818400
Output for 4.3.1 - 4.3.5
1410876688
Output for 4.3.0
1440248582