3v4l.org

run code in 200+ php & hhvm versions
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<?php echo(strtotime('-12 months')); echo(strtotime('now -12 months')); echo(strtotime('now'));
Output for 4.3.0 - 4.4.9, 5.0.3 - 7.2.0
136922825713692282571400764257
Output for 5.0.0 - 5.0.2
136917360013691736001400709600