Bug #75961 [NEW]: Strange references behavior

From: imbolk at gmail dot com Operating system: all PHP version: 7.1.14 Package: Scripting Engine problem Bug Type: Bug Bug description:Strange references behavior Description: ------------ Results in PHP 7.1+ and pre-PHP-7.1 are differs. I'm not sure what I have to expect to see but pre-PHP-7.1 result is more intuitive. Test script: --------------- $arr = [[1]]; array_walk($arr, function(){}); array_map('array_shift', $arr); var_dump($arr); Expected result: ---------------- array(1) { [0]=> array(1) { [0]=> int(1) } } Actual result: -------------- array(1) { [0]=> array(0) { } } -- Edit bug report at https://bugs.php.net/bug.php?id=75961&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=75961&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=75961&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=75961&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=75961&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=75961&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=75961&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=75961&r=needscript Try newer version: https://bugs.php.net/fix.php?id=75961&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=75961&r=support Expected behavior: https://bugs.php.net/fix.php?id=75961&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=75961&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=75961&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=75961&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=75961&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=75961&r=dst IIS Stability: https://bugs.php.net/fix.php?id=75961&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=75961&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=75961&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=75961&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=75961&r=mysqlcfg