3v4l.org

run code in 150+ php & hhvm versions
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<?php echo strtotime('Today');
Output for 5.0.0 - 5.0.2, 5.1.2 - 5.3.28, 5.4.0 - 5.4.29, 7.0.14 - 7.1.0
1401660000
Output for 7.0.6
1462226400
Output for 5.6.14, 7.0.5
1459548000
Output for 7.0.4
1457564400
Output for 7.0.3
1458255600
Output for 7.0.2
1458601200
Output for 7.0.1
1458687600
Output for 7.0.0
1458946800
Output for hhvm-3.12.0
1457650800
Output for hhvm-3.10.0
1459288800
Output for 5.6.21
1462140000
Output for 5.6.20
1460152800
Output for 5.6.19
1457305200
Output for 5.6.18
1457910000
Output for 5.6.17
1458342000
Output for 5.6.16
1459033200
Output for 5.6.15
1459116000
Output for 5.6.13
1460671200
Output for 5.6.12
1461016800
Output for 5.6.11
1461362400
Output for 5.6.10
1461535200
Output for 5.6.9
1461708000
Output for 5.6.8
1461880800
Output for 5.6.7
1464127200
Output for 5.5.35
1463868000
Output for 5.5.34
1460239200
Output for 5.5.33
1457391600
Output for 5.5.32
1458082800
Output for 5.5.31
1458428400
Output for 5.5.30
1459375200
Output for 5.5.29
1460757600
Output for 5.5.28
1461103200
Output for 5.5.27
1461189600
Output for 5.5.26
1461621600
Output for 5.5.25
1461794400
Output for 5.5.24
1463954400
Output for 5.4.39 - 5.4.45
1442786400
Output for 5.4.34 - 5.4.38
1426287600
Output for 5.3.29, 5.4.30 - 5.4.32
1410472800
Output for 5.1.0 - 5.1.1
Output for 4.4.4 - 4.4.9, 5.0.3 - 5.0.5
1401700636
Output for 4.3.1 - 4.4.3
1401700637
Output for 4.3.0
1442786902