3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $yearMonth = '2017-06'; $firstDayOfThisMonth = new \DateTime($yearMonth . '-01'); var_dump($firstDayOfThisMonth->format('W')); $lastDayOfThisMonth = clone $firstDayOfThisMonth; $lastDayOfThisMonth = $lastDayOfThisMonth->modify('last day of this month'); var_dump($lastDayOfThisMonth->format('W')); $startDate = new \DateTime($firstDayOfThisMonth->format('Y') . 'W' . $firstDayOfThisMonth->format('W')); $endDate = new \DateTime($lastDayOfThisMonth->format('Y') . 'W' . $lastDayOfThisMonth->format('W')); $endDate->modify('+6 days 23:59:59'); var_dump($startDate); var_dump($endDate); $startDate = new \DateTime($yearMonth . '-01'); $endDate = clone $startDate; $endDate->modify('last day of this month'); $startDate->modify('monday this week'); $endDate->modify('sunday this week'); var_dump($startDate); var_dump($endDate);
based on qXF4G
Output for 5.6.0 - 5.6.30, 7.0.0 - 7.2.6
string(2) "22" string(2) "26" object(DateTime)#3 (3) { ["date"]=> string(26) "2017-05-29 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } object(DateTime)#4 (3) { ["date"]=> string(26) "2017-07-02 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } object(DateTime)#5 (3) { ["date"]=> string(26) "2017-05-29 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } object(DateTime)#3 (3) { ["date"]=> string(26) "2017-07-02 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for hhvm-3.15.4
string(2) "22" string(2) "26" object(DateTime)#3 (3) { ["date"]=> string(26) "2017-05-29 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } object(DateTime)#4 (3) { ["date"]=> string(26) "2017-07-02 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } object(DateTime)#5 (3) { ["date"]=> string(26) "2017-05-29 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } object(DateTime)#6 (3) { ["date"]=> string(26) "2017-07-02 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }