3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function daysInWeek($weekNum) { $result = array(); $datetime = new DateTime(); $datetime->setISODate((int)$datetime->format('Y'), $weekNum, 1); $interval = new DateInterval('P1D'); $week = new DatePeriod($datetime, $interval, 6); foreach($week as $day){ $result[] = $day->format('r'); } return $result; } var_dump(daysInWeek(24));
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(7) { [0]=> string(31) "Mon, 09 Jun 2014 05:42:38 +0200" [1]=> string(31) "Tue, 10 Jun 2014 05:42:38 +0200" [2]=> string(31) "Wed, 11 Jun 2014 05:42:38 +0200" [3]=> string(31) "Thu, 12 Jun 2014 05:42:38 +0200" [4]=> string(31) "Fri, 13 Jun 2014 05:42:38 +0200" [5]=> string(31) "Sat, 14 Jun 2014 05:42:38 +0200" [6]=> string(31) "Sun, 15 Jun 2014 05:42:38 +0200" }
Output for 5.2.0 - 5.2.17
Fatal error: Class 'DateInterval' not found in /in/sOpZ7 on line 7
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/sOpZ7 on line 5
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: datetime in /in/sOpZ7 on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: datetime in /in/sOpZ7 on line 5