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<?php $expected = new DateTimeImmutable('2015-08-31 01:02:04.456790'); var_dump($expected); $date1 = new DateTimeImmutable('2015-08-31 01:02:03.456788'); $date2 = $date1->modify('1 seconds 2 microseconds'); var_dump($date2); var_dump($expected == $date2);

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