3v4l.org

run code in 300+ PHP versions simultaneously
<?php $datetime1 = mktime(0, 0, 0, 1, 1, 2015,0); $datetime2 = mktime(0, 0, 0, 1, 3, 2015,0); $interval = date_diff($datetime1, $datetime2); echo $interval->format('%R%a days'); ?>

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63.48 ms | 402 KiB | 5 Q