Bug #75648 [NEW]: round() does not respect mode when precision is negative

From: mcsoftware at alikuvkoutek dot cz Operating system: PHP version: 7.1.12 Package: Math related Bug Type: Bug Bug description:round() does not respect mode when precision is negative Description: ------------ Round does not round up when precision is negative even PHP_ROUND_HALF_UP mode is provided. Test script: --------------- echo round(123, -2, PHP_ROUND_HALF_UP); Expected result: ---------------- 200 Actual result: -------------- 100 -- Edit bug report at https://bugs.php.net/bug.php?id=75648&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=75648&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=75648&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=75648&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=75648&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=75648&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=75648&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=75648&r=needscript Try newer version: https://bugs.php.net/fix.php?id=75648&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=75648&r=support Expected behavior: https://bugs.php.net/fix.php?id=75648&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=75648&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=75648&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=75648&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=75648&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=75648&r=dst IIS Stability: https://bugs.php.net/fix.php?id=75648&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=75648&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=75648&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=75648&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=75648&r=mysqlcfg