3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = mktime(0, 0, 0, 3, 31, 2014); var_dump($a); $b = mktime(0, 0, 0, 3, 30, 2014); var_dump($b); var_dump($a - $b);

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32.81 ms | 402 KiB | 5 Q