3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $dmy = "20-12-2013"; list($day, $month, $year) = explode("-", $dmy); $ymd = "$year-$month-$day"; echo $ymd;
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
2013-12-20