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<?php function isMonday($date) { return $date->format('N') === '1'; } function isSunday($date) { return $date->format('N') === '7'; } function getMondays($start, $end) { $mondays = []; $datePeriod = new DatePeriod($start, new DateInterval('P1D'), $end); foreach ($datePeriod as $date) { if (isMonday($date)) $mondays[] = $date; } if (!isSunday($end)) array_pop($mondays); return $mondays; } $startDate = new DateTime('2021-06-20'); $endDate = new DateTime('2021-07-07'); var_dump(getMondays($startDate, $endDate));
Output for 7.3.0 - 7.3.31, 7.3.33, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.33, 8.5.0 - 8.5.1
array(2) { [0]=> object(DateTime)#6 (3) { ["date"]=> string(26) "2021-06-21 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } [1]=> object(DateTime)#5 (3) { ["date"]=> string(26) "2021-06-28 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } }
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 8.2.0 - 8.2.29, 8.3.0 - 8.3.4, 8.3.6 - 8.3.28, 8.4.1 - 8.4.14
array(2) { [0]=> object(DateTime)#10 (3) { ["date"]=> string(26) "2021-06-21 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } [1]=> object(DateTime)#9 (3) { ["date"]=> string(26) "2021-06-28 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 array(2) { [0]=> object(DateTime)#10 (3) { ["date"]=> string(26) "2021-06-21 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } [1]=> object(DateTime)#9 (3) { ["date"]=> string(26) "2021-06-28 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } }
Output for 7.3.32, 7.4.26, 8.0.13
array(2) { [0]=> object(DateTime)#6 (3) { ["date"]=> string(26) "2021-06-21 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" } [1]=> object(DateTime)#5 (3) { ["date"]=> string(26) "2021-06-28 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" } }

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