3v4l.org

run code in 150+ php & hhvm versions
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<?php print_r(strtotime("February"));
Output for 5.6.28, 7.0.12 - 7.1.0
1392937200
Output for 7.0.6
1454454000
Output for 5.6.14, 5.6.21, 7.0.5
1454367600
Output for 5.5.34, 7.0.4
1455058800
Output for 7.0.3
1455750000
Output for 5.5.27, 5.5.35, 7.0.2
1456095600
Output for 5.5.24, 5.6.11, 7.0.1
1456182000
Output for 5.5.26, 7.0.0
1456441200
Output for 5.6.20
1454972400
Output for 5.6.19
1454799600
Output for 5.6.13, 5.6.18
1455490800
Output for 5.6.12, 5.6.17
1455836400
Output for 5.6.9, 5.6.16
1456527600
Output for 5.6.8, 5.6.15
1456700400
Output for 5.6.10
1456354800
Output for 5.5.33
1454886000
Output for 5.5.32
1455663600
Output for 5.2.0 - 5.4.45, 5.5.28, 5.5.31
1455922800
Output for 5.5.30
1454281200
Output for 5.5.29
1455577200
Output for 5.5.25
1456614000
Output for 5.1.0 - 5.1.6
Output for 4.3.0 - 5.0.5
-1