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<?php echo strtotime ("0 day"), "\n";
Output for 5.6.28, 7.0.14 - 7.1.0
1403974474
Output for 7.0.6
1462286783
Output for 7.0.5
1459653377
Output for 7.0.4
1457625196
Output for 7.0.3
1458319094
Output for 7.0.2
1458686694
Output for 7.0.1
1458788115
Output for 7.0.0
1459050729
Output for 5.6.21
1462182982
Output for 5.6.20
1460254487
Output for 5.6.19
1457394088
Output for 5.6.18
1458030772
Output for 5.6.17
1458419185
Output for 5.6.16
1459139991
Output for 5.6.15
1459229452
Output for 5.6.14
1459582047
Output for 5.6.13
1460720673
Output for 5.6.12
1461118262
Output for 5.6.11
1461400886
Output for 5.6.10
1461580608
Output for 5.6.9
1461771904
Output for 5.6.8
1461976175
Output for 5.5.35
1464005055
Output for 5.5.34
1460348915
Output for 5.5.33
1457491298
Output for 5.5.32
1458216967
Output for 5.5.31
1458515896
Output for 5.5.30
1459495468
Output for 5.5.29
1460858950
Output for 5.5.28
1461216116
Output for 5.5.27
1461309403
Output for 5.5.26
1461676683
Output for 5.5.25
1461874127
Output for 5.5.24
1464094079
Output for 5.4.45
1442320919
Output for 5.4.44
1442320917
Output for 5.4.43
1437940244
Output for 5.4.42
1437940242
Output for 5.4.41
1437940240
Output for 5.4.40
1437940235
Output for 5.4.39
1437940234
Output for 5.4.38
1425459252
Output for 5.4.37
1425459247
Output for 5.4.34 - 5.4.36
1425459246
Output for 5.4.32
1410589352
Output for 5.4.31
1410589351
Output for 5.4.28 - 5.4.30
1403974479
Output for 5.4.9 - 5.4.27
1403974480
Output for 5.3.19 - 5.3.28, 5.4.0 - 5.4.8
1403974481
Output for 5.3.29
1410589349
Output for 5.3.0 - 5.3.18
1403974482
Output for 5.1.2 - 5.2.17
1403974483
Output for 4.3.1 - 4.4.9, 5.0.3 - 5.1.1
1403974484
Output for 5.0.0 - 5.0.2
1403906400
Output for 4.3.0
1442320915