Bug #75286 [NEW]: \DateTime::format('v') returns 4 symbols instead of 3

From: ivan at podorozhny dot ru Operating system: ubuntu xenial PHP version: 7.1.10 Package: Date/time related Bug Type: Bug Bug description:\DateTime::format('v') returns 4 symbols instead of 3 Description: ------------ \DateTime::format('v') returns 4 symbols instead of 3 Test script: --------------- $dateTime = new \DateTime('2017-09-29 17:44:48.999600'); var_dump($dateTime->format('Y-m-d H:i:s.v')); // '2017-09-29 17:44:48.1000' instead of '2017-09-29 17:44:48.999' or even '2017-09-29 17:44:49.000' -- Edit bug report at https://bugs.php.net/bug.php?id=75286&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=75286&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=75286&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=75286&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=75286&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=75286&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=75286&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=75286&r=needscript Try newer version: https://bugs.php.net/fix.php?id=75286&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=75286&r=support Expected behavior: https://bugs.php.net/fix.php?id=75286&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=75286&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=75286&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=75286&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=75286&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=75286&r=dst IIS Stability: https://bugs.php.net/fix.php?id=75286&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=75286&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=75286&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=75286&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=75286&r=mysqlcfg