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run code in 200+ php & hhvm versions
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<?php $yearMonth = '2017-06'; $startDate = new \DateTime($yearMonth . '-01'); $endDate = clone $startDate; $endDate->modify('last day of this month'); $startDate->modify('monday this week 00:00:00'); $endDate->modify('sunday this week 23:59:59'); var_dump($startDate); var_dump($endDate);
based on lnLvo
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.3.0rc3
object(DateTime)#1 (3) { ["date"]=> string(26) "2017-05-29 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } object(DateTime)#2 (3) { ["date"]=> string(26) "2017-07-02 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }