Bug #76955 [NEW]: -1*round(0,2) = -0

From: giolaza at gmail dot com Operating system: Windows, Linux PHP version: 7.2.10 Package: *General Issues Bug Type: Bug Bug description:-1*round(0,2) = -0 Description: ------------ -1*round(0) = -0 Test script: --------------- $var= -1*round(0,2); var_dump($var); //float(-0) var_dump($var==0); //bool(true) var_dump($var===0); //bool(false) $var= -1*round(0);//has same results Actual result: -------------- $var= -1*round(0,2); var_dump($var); //float(-0) var_dump($var==0); //bool(true) var_dump($var===0); //bool(false) -- Edit bug report at https://bugs.php.net/bug.php?id=76955&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=76955&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=76955&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=76955&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=76955&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=76955&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=76955&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=76955&r=needscript Try newer version: https://bugs.php.net/fix.php?id=76955&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=76955&r=support Expected behavior: https://bugs.php.net/fix.php?id=76955&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=76955&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=76955&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=76955&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=76955&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=76955&r=dst IIS Stability: https://bugs.php.net/fix.php?id=76955&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=76955&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=76955&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=76955&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=76955&r=mysqlcfg