3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function daysInWeek($weekNum) { $result = array(); $datetime = new DateTime('00:00:00'); $datetime->setISODate((int)$datetime->format('o'), $weekNum, 1); $interval = new DateInterval('P1D'); $week = new DatePeriod($datetime, $interval, 6); foreach($week as $day){ $result[] = $day->format('D d m Y H:i:s'); } return $result; } var_dump(daysInWeek(24)); //and the difficult ones:- var_dump(daysInWeek(1)); var_dump(daysInWeek(35));
based on HqSEv
Output for 5.6.28, 7.0.14 - 7.1.0
array(7) { [0]=> string(23) "Mon 09 06 2014 00:00:00" [1]=> string(23) "Tue 10 06 2014 00:00:00" [2]=> string(23) "Wed 11 06 2014 00:00:00" [3]=> string(23) "Thu 12 06 2014 00:00:00" [4]=> string(23) "Fri 13 06 2014 00:00:00" [5]=> string(23) "Sat 14 06 2014 00:00:00" [6]=> string(23) "Sun 15 06 2014 00:00:00" } array(7) { [0]=> string(23) "Mon 30 12 2013 00:00:00" [1]=> string(23) "Tue 31 12 2013 00:00:00" [2]=> string(23) "Wed 01 01 2014 00:00:00" [3]=> string(23) "Thu 02 01 2014 00:00:00" [4]=> string(23) "Fri 03 01 2014 00:00:00" [5]=> string(23) "Sat 04 01 2014 00:00:00" [6]=> string(23) "Sun 05 01 2014 00:00:00" } array(7) { [0]=> string(23) "Mon 25 08 2014 00:00:00" [1]=> string(23) "Tue 26 08 2014 00:00:00" [2]=> string(23) "Wed 27 08 2014 00:00:00" [3]=> string(23) "Thu 28 08 2014 00:00:00" [4]=> string(23) "Fri 29 08 2014 00:00:00" [5]=> string(23) "Sat 30 08 2014 00:00:00" [6]=> string(23) "Sun 31 08 2014 00:00:00" }
Output for 5.5.24 - 5.6.21, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.0.6
array(7) { [0]=> string(23) "Mon 13 06 2016 00:00:00" [1]=> string(23) "Tue 14 06 2016 00:00:00" [2]=> string(23) "Wed 15 06 2016 00:00:00" [3]=> string(23) "Thu 16 06 2016 00:00:00" [4]=> string(23) "Fri 17 06 2016 00:00:00" [5]=> string(23) "Sat 18 06 2016 00:00:00" [6]=> string(23) "Sun 19 06 2016 00:00:00" } array(7) { [0]=> string(23) "Mon 04 01 2016 00:00:00" [1]=> string(23) "Tue 05 01 2016 00:00:00" [2]=> string(23) "Wed 06 01 2016 00:00:00" [3]=> string(23) "Thu 07 01 2016 00:00:00" [4]=> string(23) "Fri 08 01 2016 00:00:00" [5]=> string(23) "Sat 09 01 2016 00:00:00" [6]=> string(23) "Sun 10 01 2016 00:00:00" } array(7) { [0]=> string(23) "Mon 29 08 2016 00:00:00" [1]=> string(23) "Tue 30 08 2016 00:00:00" [2]=> string(23) "Wed 31 08 2016 00:00:00" [3]=> string(23) "Thu 01 09 2016 00:00:00" [4]=> string(23) "Fri 02 09 2016 00:00:00" [5]=> string(23) "Sat 03 09 2016 00:00:00" [6]=> string(23) "Sun 04 09 2016 00:00:00" }
Output for 5.3.0 - 5.4.45
array(7) { [0]=> string(23) "Mon 08 06 2015 00:00:00" [1]=> string(23) "Tue 09 06 2015 00:00:00" [2]=> string(23) "Wed 10 06 2015 00:00:00" [3]=> string(23) "Thu 11 06 2015 00:00:00" [4]=> string(23) "Fri 12 06 2015 00:00:00" [5]=> string(23) "Sat 13 06 2015 00:00:00" [6]=> string(23) "Sun 14 06 2015 00:00:00" } array(7) { [0]=> string(23) "Mon 29 12 2014 00:00:00" [1]=> string(23) "Tue 30 12 2014 00:00:00" [2]=> string(23) "Wed 31 12 2014 00:00:00" [3]=> string(23) "Thu 01 01 2015 00:00:00" [4]=> string(23) "Fri 02 01 2015 00:00:00" [5]=> string(23) "Sat 03 01 2015 00:00:00" [6]=> string(23) "Sun 04 01 2015 00:00:00" } array(7) { [0]=> string(23) "Mon 24 08 2015 00:00:00" [1]=> string(23) "Tue 25 08 2015 00:00:00" [2]=> string(23) "Wed 26 08 2015 00:00:00" [3]=> string(23) "Thu 27 08 2015 00:00:00" [4]=> string(23) "Fri 28 08 2015 00:00:00" [5]=> string(23) "Sat 29 08 2015 00:00:00" [6]=> string(23) "Sun 30 08 2015 00:00:00" }
Output for 5.2.0 - 5.2.17
Fatal error: Class 'DateInterval' not found in /in/lFr5B on line 7
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/lFr5B 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/lFr5B 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/lFr5B on line 5