Bug #70095 [NEW]: Operator precedence changed in PHP 7

From: me at evertpot dot com Operating system: Any PHP version: 7.0.0beta1 Package: Scripting Engine problem Bug Type: Bug Bug description:Operator precedence changed in PHP 7 Description: ------------ The code from the description now has a different output. I'm not sure if it's intentional, so I decided to post it as a bug. It's definitely a BC change. Also see: http://3v4l.org/pE0UN Test script: --------------- <?php $foo = [ 'a' => 'b' ]; $bar = [ 'b' => 'c' ]; $bar = (object)$bar; // Note that the following line is interpreted as // $bar->b in PHP < 7, and $bar->Array in PHP > 7. echo $bar->$foo['a']; Expected result: ---------------- c Actual result: -------------- Notice: Array to string conversion in /in/pE0UN on line 14 Notice: Undefined property: stdClass::$Array in /in/pE0UN on line 14 -- Edit bug report at https://bugs.php.net/bug.php?id=70095&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=70095&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=70095&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=70095&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=70095&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=70095&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=70095&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=70095&r=needscript Try newer version: https://bugs.php.net/fix.php?id=70095&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=70095&r=support Expected behavior: https://bugs.php.net/fix.php?id=70095&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=70095&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=70095&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=70095&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=70095&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=70095&r=dst IIS Stability: https://bugs.php.net/fix.php?id=70095&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=70095&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=70095&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=70095&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=70095&r=mysqlcfg