3v4l.org

run code in 300+ PHP versions simultaneously
<?php $t = '2010/2/12'; //echo $ut=strtotime($t); //echo date('Y-m-d H:i:s',$ut); echo date('Y-m-d H:i:s',strtotime($t));

preferences:
43.74 ms | 402 KiB | 5 Q