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run code in 150+ php & hhvm versions
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<?php echo date('Y-m-d', strtotime('2014/02/31')); echo "<br>".date('Y-m-d', strtotime('2014/31/02'));
Output for 5.1.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
2014-03-03<br>1970-01-01
Output for 4.3.0 - 5.0.5
2014-03-03<br>2016-07-02