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<?php $expected = new DateTimeImmutable('2015-08-31 01:02:04.456790'); var_dump($expected); $date1 = new DateTimeImmutable('2015-08-31 01:02:03.456789'); $date1 = $date1->modify('1 seconds 1 microseconds'); var_dump($date1); var_dump($expected == $date1); $date2 = new DateTimeImmutable('2015-08-31 01:02:03.456788'); $date2 = $date2->modify('1 seconds 2 microseconds'); var_dump($date2); var_dump($expected == $date2);
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
object(DateTimeImmutable)#1 (3) { ["date"]=> string(26) "2015-08-31 01:02:04.456790" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } object(DateTimeImmutable)#3 (3) { ["date"]=> string(26) "2015-08-31 01:02:04.456790" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } bool(true) object(DateTimeImmutable)#4 (3) { ["date"]=> string(26) "2015-08-31 01:02:04.456790" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } bool(true)
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 object(DateTimeImmutable)#1 (3) { ["date"]=> string(26) "2015-08-31 01:02:04.456790" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } object(DateTimeImmutable)#3 (3) { ["date"]=> string(26) "2015-08-31 01:02:04.456790" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } bool(true) object(DateTimeImmutable)#4 (3) { ["date"]=> string(26) "2015-08-31 01:02:04.456790" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } bool(true)
Output for 7.3.32 - 7.3.33, 7.4.26, 8.0.13
object(DateTimeImmutable)#1 (3) { ["date"]=> string(26) "2015-08-31 01:02:04.456790" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" } object(DateTimeImmutable)#3 (3) { ["date"]=> string(26) "2015-08-31 01:02:04.456790" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" } bool(true) object(DateTimeImmutable)#4 (3) { ["date"]=> string(26) "2015-08-31 01:02:04.456790" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" } bool(true)
Output for 7.1.0 - 7.1.25
object(DateTimeImmutable)#1 (3) { ["date"]=> string(26) "2015-08-31 01:02:04.456790" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } object(DateTimeImmutable)#3 (3) { ["date"]=> string(26) "2015-08-31 01:02:04.456790" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } bool(true) object(DateTimeImmutable)#4 (3) { ["date"]=> string(26) "2015-08-31 01:02:04.456790" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } bool(false)
Output for 5.6.38, 7.0.0 - 7.0.33
object(DateTimeImmutable)#1 (3) { ["date"]=> string(26) "2015-08-31 01:02:04.456790" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } Warning: DateTimeImmutable::modify(): Failed to parse time string (1 seconds 1 microseconds) at position 10 (1): Unexpected character in /in/c54Dt on line 7 bool(false) bool(false) Warning: DateTimeImmutable::modify(): Failed to parse time string (1 seconds 2 microseconds) at position 10 (2): Unexpected character in /in/c54Dt on line 12 bool(false) bool(false)

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