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<?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; $startDate->modify('first day of this week'); $endDate->modify('last day of this week'); var_dump($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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
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) "2017-05-01 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } object(DateTime)#3 (3) { ["date"]=> string(26) "2017-06-30 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 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) "2017-05-01 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } object(DateTime)#3 (3) { ["date"]=> string(26) "2017-06-30 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 7.3.32 - 7.3.33, 8.0.13
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(3) "UTC" } object(DateTime)#4 (3) { ["date"]=> string(26) "2017-07-02 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" } object(DateTime)#5 (3) { ["date"]=> string(26) "2017-05-01 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" } object(DateTime)#3 (3) { ["date"]=> string(26) "2017-06-30 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }

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