Bug #76252 [Opn->Dup]: Incrementing microseconds work funny

Edit report at https://bugs.php.net/bug.php?id=76252&edit=1 ID: 76252 Updated by: requinix@php.net Reported by: cz dot paranoiq at gmail dot com Summary: Incrementing microseconds work funny -Status: Open +Status: Duplicate Type: Bug Package: Date/time related PHP Version: 7.2.4 Block user comment: N Private report: N New Comment: Duplicate of bug #75642 Previous Comments: ------------------------------------------------------------------------ [2018-04-23 09:01:16] cz dot paranoiq at gmail dot com Description: ------------ after adding 1 microsecond to datetime with 999999 microseconds, resulted datetime has the same seconds and 1000000 microseconds :] see the second dump https://3v4l.org/ZbGpl Test script: --------------- <?php $d = new \DateTimeImmutable('2000-01-01 23:59:59.999999'); $d2 = $d->modify('+1 microsecond'); var_dump($d); var_dump($d->format('s.u')); var_dump($d2); var_dump($d2->format('s.u')); ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=76252&edit=1