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<?php $x = new DateTimeImmutable('2015-07-31'); $y = $x->modify('last day of -1 month'); var_dump($y); $z = $y->setDate($y->format('Y'), $y->format('n'), 15); var_dump($z);
Output for 5.6.19 - 5.6.28, 7.0.4 - 7.0.20, 7.1.0 - 7.1.25, 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(DateTimeImmutable)#2 (3) { ["date"]=> string(26) "2015-06-30 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } object(DateTimeImmutable)#3 (3) { ["date"]=> string(26) "2015-06-15 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 7.3.32 - 7.3.33, 8.0.13
object(DateTimeImmutable)#2 (3) { ["date"]=> string(26) "2015-06-30 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" } object(DateTimeImmutable)#3 (3) { ["date"]=> string(26) "2015-06-15 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }
Output for 5.5.24 - 5.5.35, 5.6.7 - 5.6.18, 7.0.0 - 7.0.3
object(DateTimeImmutable)#2 (3) { ["date"]=> string(26) "2015-06-30 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } object(DateTimeImmutable)#3 (3) { ["date"]=> string(26) "2015-06-30 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.4.2 - 5.4.45
Fatal error: Class 'DateTimeImmutable' not found in /in/3h24L on line 3
Process exited with code 255.

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