Bug #78330 [NEW]: bcscale() modifications persist across requests

From: cmb Operating system: * PHP version: 7.4Git-2019-07-24 (Git) Package: BC math related Bug Type: Bug Bug description:bcscale() modifications persist across requests Description: ------------ When bcscale() is used as setter, the modifications persist across requests. This is contrary to changing bcmath.scale via ini_set(). Test script: --------------- <?php var_dump(bcscale(42)); ?> Expected result: ---------------- 1st request: int(0) 2nd request: int(0) Actual result: -------------- 1st request: int(0) 2nd request: int(42) -- Edit bug report at https://bugs.php.net/bug.php?id=78330&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=78330&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=78330&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=78330&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=78330&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=78330&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=78330&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=78330&r=needscript Try newer version: https://bugs.php.net/fix.php?id=78330&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=78330&r=support Expected behavior: https://bugs.php.net/fix.php?id=78330&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=78330&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=78330&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=78330&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=78330&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=78330&r=dst IIS Stability: https://bugs.php.net/fix.php?id=78330&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=78330&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=78330&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=78330&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=78330&r=mysqlcfg