3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $yr="2014"; $week="01"; $day="Monday"; $day=date("D",strtotime($day)); $newdate= date("d-m-Y", strtotime($yr."W".$week."D ".$day));; $k = explode("-", $newdate); $ymd = $k[0]."-".$k[2]."-".$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
03-2014-01
Output for 5.1.0 - 5.1.6
29-2013-12
Output for 5.0.0 - 5.0.5
22-2013-12
Output for 4.3.0 - 4.4.9
01-1970-01