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<?php $yearMonth = '2017-06'; $startDate = new \DateTime($yearMonth . '-01'); $endDate = clone $startDate; $endDate->modify('last day of this month')->modify('sunday this week 23:59:59'); $startDate->modify('monday this week 00:00:00'); var_dump($startDate); var_dump($endDate);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
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" }
Output for 7.3.32 - 7.3.33, 8.0.13
object(DateTime)#1 (3) { ["date"]=> string(26) "2017-05-29 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" } object(DateTime)#2 (3) { ["date"]=> string(26) "2017-07-02 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }

preferences:
163.58 ms | 402 KiB | 212 Q