3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $week_number = 20; $year = 2012; $monday = strtotime($year."W".str_pad($week_number,2,0,STR_PAD_LEFT)."1"); $sunday = strtotime($year."W".str_pad($week_number,2,0,STR_PAD_LEFT)."7"); echo "From " . date("l", $monday) . " " . date("j", $monday) . " of " . date("F", $monday) . " of " . $year . " to " . date("l", $sunday) . " " . date("j", $sunday) . " of " . date("F", $sunday) . " of " . $year;
Output for 5.1.0 - 7.1.0
From Monday 14 of May of 2012 to Sunday 20 of May of 2012
Output for 5.0.0 - 5.0.5
From Monday 7 of May of 2012 to Sunday 13 of May of 2012
Output for 4.3.0 - 4.4.9
From Thursday 1 of January of 2012 to Thursday 1 of January of 2012