Bug #77121 [NEW]: fractions in diff cause overflow in same second datetimes

From: sakari dot laine at verkkokauppa dot com Operating system: linux PHP version: 7.2.12RC1 Package: Date/time related Bug Type: Bug Bug description:fractions in diff cause overflow in same second datetimes Description: ------------ Datetime diff overflows if fractions and no fractions in same second. Test script: --------------- $date = new \DateTime('2018-11-08 10:22:43'); $date2 = new \DateTime('2018-11-08 10:22:43.123456'); print_r($date2->diff($date)); Expected result: ---------------- DateInterval Object ( [y] => 0 [m] => 0 [d] => 0 [h] => 0 [i] => 0 [s] => 0 [f] => -0.123456 [weekday] => 0 [weekday_behavior] => 0 [first_last_day_of] => 0 [invert] => 0 [days] => 0 [special_type] => 0 [special_amount] => 0 [have_weekday_relative] => 0 [have_special_relative] => 0 ) Actual result: -------------- DateInterval Object ( [y] => -1 [m] => 11 [d] => 30 [h] => 23 [i] => 59 [s] => 59 [f] => 0.876544 [weekday] => 0 [weekday_behavior] => 0 [first_last_day_of] => 0 [invert] => 0 [days] => 0 [special_type] => 0 [special_amount] => 0 [have_weekday_relative] => 0 [have_special_relative] => 0 ) -- Edit bug report at https://bugs.php.net/bug.php?id=77121&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=77121&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=77121&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=77121&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=77121&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=77121&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=77121&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=77121&r=needscript Try newer version: https://bugs.php.net/fix.php?id=77121&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=77121&r=support Expected behavior: https://bugs.php.net/fix.php?id=77121&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=77121&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=77121&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=77121&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=77121&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=77121&r=dst IIS Stability: https://bugs.php.net/fix.php?id=77121&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=77121&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=77121&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=77121&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=77121&r=mysqlcfg