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<?php echo strtotime("a month ago");
Output for 5.6.28, 7.0.14 - 7.1.0
1384449480
Output for 7.0.6
1462285792
Output for 7.0.5
1459652739
Output for 7.0.4
1457620227
Output for 7.0.3
1458313865
Output for 7.0.2
1458681418
Output for 7.0.1
1458783438
Output for 7.0.0
1459049770
Output for 5.6.21
1462182076
Output for 5.6.20
1460253715
Output for 5.6.19
1457388863
Output for 5.6.18
1458025637
Output for 5.6.17
1458414218
Output for 5.6.16
1459139123
Output for 5.6.15
1459228667
Output for 5.6.14
1459581523
Output for 5.6.13
1460719838
Output for 5.6.12
1461117103
Output for 5.6.11
1461399979
Output for 5.6.10
1461579554
Output for 5.6.9
1461770735
Output for 5.6.8
1461974732
Output for 5.5.35
1463926882
Output for 5.5.34
1460348225
Output for 5.5.33
1457486372
Output for 5.5.32
1458211175
Output for 5.5.31
1458510533
Output for 5.5.30
1459494675
Output for 5.5.29
1460857844
Output for 5.5.28
1461214974
Output for 5.5.27
1461308634
Output for 5.5.26
1461675484
Output for 5.5.25
1461872097
Output for 5.5.24
1464102312
Output for 5.4.45
1448060083
Output for 5.4.44
1448060084
Output for 5.4.42 - 5.4.43
1448060085
Output for 5.4.41
1448060086
Output for 5.4.38 - 5.4.40
1448060087
Output for 5.4.36 - 5.4.37
1448060088
Output for 5.4.34 - 5.4.35
1448060089
Output for 5.3.29, 5.4.31 - 5.4.32
1448060090
Output for 5.4.28 - 5.4.30
1448060091
Output for 5.4.25 - 5.4.27
1448060092
Output for 5.3.28, 5.4.22 - 5.4.24
1448060093
Output for 5.4.19 - 5.4.21
1448060094
Output for 5.3.26 - 5.3.27, 5.4.17 - 5.4.18
1448060095
Output for 5.3.24 - 5.3.25, 5.4.13 - 5.4.16
1448060096
Output for 5.3.20 - 5.3.23, 5.4.11 - 5.4.12
1448060097
Output for 5.3.17 - 5.3.19, 5.4.6 - 5.4.10
1448060098
Output for 5.3.14 - 5.3.16, 5.4.3 - 5.4.5
1448060099
Output for 5.3.10 - 5.3.13, 5.4.0 - 5.4.2
1448060100
Output for 5.2.16 - 5.2.17, 5.3.4 - 5.3.9
1448060101
Output for 5.2.12 - 5.2.15, 5.3.1 - 5.3.3
1448060102
Output for 5.2.6 - 5.2.11, 5.3.0
1448060103
Output for 5.1.6 - 5.2.5
1448060104
Output for 5.1.3 - 5.1.5
1448060105
Output for 5.1.0 - 5.1.2
Output for 4.4.0 - 4.4.3, 5.0.5
1445381705
Output for 4.3.5 - 4.3.11, 5.0.3 - 5.0.4
1445381706
Output for 5.0.0 - 5.0.2
1445295600
Output for 4.4.8 - 4.4.9
1445381703
Output for 4.4.4 - 4.4.7
1445381704
Output for 4.3.0 - 4.3.4
1445388907