3v4l.org

run code in 150+ php & hhvm versions
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<?php echo strtotime('01:00:00');
Output for 5.6.28, 7.0.14 - 7.1.0
1368745200
Output for 7.0.6
1462230000
Output for 7.0.5
1459638000
Output for 7.0.4
1457568000
Output for 7.0.3
1458259200
Output for 7.0.2
1458691200
Output for 7.0.1
1458777600
Output for 7.0.0
1459036800
Output for 5.6.21
1462143600
Output for 5.6.20
1460242800
Output for 5.6.19
1457395200
Output for 5.6.18
1458000000
Output for 5.6.17
1458345600
Output for 5.6.16
1459119600
Output for 5.6.15
1459206000
Output for 5.6.14
1459551600
Output for 5.6.13
1460674800
Output for 5.6.12
1461106800
Output for 5.6.11
1461452400
Output for 5.6.10
1461538800
Output for 5.6.9
1461711600
Output for 5.6.8
1461970800
Output for 5.5.35
1463871600
Output for 5.5.34
1460329200
Output for 5.5.33
1457481600
Output for 5.5.32
1458172800
Output for 5.5.31
1458518400
Output for 5.5.30
1459465200
Output for 5.5.29
1460847600
Output for 5.5.28
1461193200
Output for 5.5.27
1461279600
Output for 5.5.26
1461625200
Output for 5.5.25
1461798000
Output for 5.5.24
1464044400
Output for 4.3.0 - 5.4.45
1447804800