3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $yr="2014"; $week="01"; $day="02"; $day=date("D",strtotime($day)); $newdate= date("d-m-Y", strtotime($yr."W".$week."D ".$day));; echo $newdate; $k = explode("-", $newdate); $ymd = $k[2]."-".$k[0]."-".$k[1]; echo $ymd ?>
Output for 5.2.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
30-12-20132013-30-12
Output for 5.1.2 - 5.1.6
01-01-20142014-01-01
Output for 5.1.0 - 5.1.1
29-12-20132013-29-12
Output for 5.0.0 - 5.0.5
22-12-20132013-22-12
Output for 4.3.0 - 4.4.9
01-01-19701970-01-01