Bug #72369 [NEW]: array_merge() produces references in PHP7
From: tony2001
Operating system: *
PHP version: 7.0.8RC1
Package: Arrays related
Bug Type: Bug
Bug description:array_merge() produces references in PHP7
Description:
------------
array_merge() changed behavior in PHP7, the reproduce script below
produces references, which it didn't do in PHP5.
Test script:
---------------
<?php
$x = 'xxx';
$d = ['test' => &$x];
unset($x);
$a = ['test' => 'yyy'];
$a = array_merge($a, $d);
debug_zval_dump($a);
?>
Expected result:
----------------
array(1) refcount(2){
["test"]=>
string(3) "xxx" refcount(2)
}
Actual result:
--------------
array(1) refcount(2){
["test"]=>
&string(3) "xxx" refcount(1)
}
--
Edit bug report at https://bugs.php.net/bug.php?id=72369&edit=1
--
Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=72369&r=trysnapshot54
Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=72369&r=trysnapshot55
Try a snapshot (trunk): https://bugs.php.net/fix.php?id=72369&r=trysnapshottrunk
Fixed in SVN: https://bugs.php.net/fix.php?id=72369&r=fixed
Fixed in release: https://bugs.php.net/fix.php?id=72369&r=alreadyfixed
Need backtrace: https://bugs.php.net/fix.php?id=72369&r=needtrace
Need Reproduce Script: https://bugs.php.net/fix.php?id=72369&r=needscript
Try newer version: https://bugs.php.net/fix.php?id=72369&r=oldversion
Not developer issue: https://bugs.php.net/fix.php?id=72369&r=support
Expected behavior: https://bugs.php.net/fix.php?id=72369&r=notwrong
Not enough info: https://bugs.php.net/fix.php?id=72369&r=notenoughinfo
Submitted twice: https://bugs.php.net/fix.php?id=72369&r=submittedtwice
register_globals: https://bugs.php.net/fix.php?id=72369&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=72369&r=php4
Daylight Savings: https://bugs.php.net/fix.php?id=72369&r=dst
IIS Stability: https://bugs.php.net/fix.php?id=72369&r=isapi
Install GNU Sed: https://bugs.php.net/fix.php?id=72369&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=72369&r=float
No Zend Extensions: https://bugs.php.net/fix.php?id=72369&r=nozend
MySQL Configuration Error: https://bugs.php.net/fix.php?id=72369&r=mysqlcfg
Thread (3 messages)
- tony2001@php.net