Bug #70144 [Ver]: Assigning value to uninitialized byref array keys changed array order with PHP 7

Edit report at https://bugs.php.net/bug.php?id=70144&edit=1 ID: 70144 Updated by: laruence@php.net Reported by: admin at angosso dot net Summary: Assigning value to uninitialized byref array keys changed array order with PHP 7 Status: Verified Type: Bug Package: Scripting Engine problem Operating System: Linux, Windows, Mac PHP Version: 7.0.0beta2 Block user comment: N Private report: N New Comment: this is a side affects by the new AST based compiler. previously, we fetch_dim_w b first, then fetch_dim_w a but now we always evaluate the expr from left to right. so, basically, I don't think here is something need to be fixed. Previous Comments: ------------------------------------------------------------------------ [2015-07-27 01:05:44] requinix@php.net http://3v4l.org/cmaYm ------------------------------------------------------------------------ [2015-07-27 00:23:43] admin at angosso dot net Description: ------------ The Elements of the code or object properties will be created automatically for the server [dot] in reference and assignment for bug. Test script: --------------- $array = []; $array["a"] =& $array["b"]; $array["b"] = 1; var_dump($array); now results in the array ["a" => 1, "b" => 1], while previously the result was ["b" => 1, "a" => 1]; Expected result: ---------------- /rfc/uniform_variable_syntax /rfc/abstract_syntax_tree Stack trace: #0 file.php(4): foo(42) #1 {main} ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=70144&edit=1