Bug #81024 [NEW]: The uasort / uksort function does not work correctly

From: ermolaev-nv at ro dot ru Operating system: Docker php:8.0.6-cli-alpine3.12 PHP version: 8.0.6 Package: *General Issues Bug Type: Bug Bug description:The uasort / uksort function does not work correctly Description: ------------ The uasort / uksort function does not work correctly Test script: --------------- <?php $ar = [ [393, 464], [-59, 180], [-342, 402], [-90, 135], [-302, 207], ]; uasort($ar, static fn($a, $b) : int => $a[0] > $b[0]); var_dump($ar); Expected result: ---------------- array(5) { [2]=> array(2) { [0]=> int(-342) [1]=> int(402) } [4]=> array(2) { [0]=> int(-302) [1]=> int(207) } [3]=> array(2) { [0]=> int(-90) [1]=> int(135) } [1]=> array(2) { [0]=> int(-59) [1]=> int(180) } [0]=> array(2) { [0]=> int(393) [1]=> int(464) } } Actual result: -------------- array(5) { [1]=> array(2) { [0]=> int(-59) [1]=> int(180) } [2]=> array(2) { [0]=> int(-342) [1]=> int(402) } [4]=> array(2) { [0]=> int(-302) [1]=> int(207) } [3]=> array(2) { [0]=> int(-90) [1]=> int(135) } [0]=> array(2) { [0]=> int(393) [1]=> int(464) } } -- Edit bug report at https://bugs.php.net/bug.php?id=81024&edit=1 -- Fix committed: https://bugs.php.net/fix.php?id=81024&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=81024&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=81024&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=81024&r=needscript Try newer version: https://bugs.php.net/fix.php?id=81024&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=81024&r=support Expected behavior: https://bugs.php.net/fix.php?id=81024&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=81024&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=81024&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=81024&r=globals PHP version support discontinued: https://bugs.php.net/fix.php?id=81024&r=phptooold Daylight Savings: https://bugs.php.net/fix.php?id=81024&r=dst IIS Stability: https://bugs.php.net/fix.php?id=81024&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=81024&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=81024&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=81024&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=81024&r=mysqlcfg