Bug #73686 [NEW]: Adding settype()ed values to ArrayObject results in references.

From: Date: Thu, 08 Dec 2016 13:37:25 +0000
Subject: Bug #73686 [NEW]: Adding settype()ed values to ArrayObject results in references.
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-205848@lists.php.net to get a copy of this message 
From:             arjen at parse dot nl
Operating system: All
PHP version:      7.1.0
Package:          Scripting Engine problem
Bug Type:         Bug
Bug description:Adding settype()ed values to ArrayObject results in references.

Description:
------------
Found at https://twitter.com/kozzi11/status/806828728890380288

https://3v4l.org/suHQh

Removing the settype() call produces the expected output.

Test script:
---------------
<?php

$ao = new ArrayObject;

foreach ([1, 2, 3] as $i => $var)
{
    settype($var, 'string');
    $ao[$i] = $var;
}

var_dump($ao);

Expected result:
----------------
Output for 5.6.0 - 5.6.28, hhvm-3.12.0 - 3.13.2, 7.0.0 - 7.0.14

object(ArrayObject)#1 (1) {
  ["storage":"ArrayObject":private]=>
  array(3) {
    [0]=>
    string(1) "1"
    [1]=>
    string(1) "2"
    [2]=>
    string(1) "3"
  }
}

Actual result:
--------------
Output for 7.1.0

object(ArrayObject)#1 (1) {
  ["storage":"ArrayObject":private]=>
  array(3) {
    [0]=>
    &string(1) "3"
    [1]=>
    &string(1) "3"
    [2]=>
    &string(1) "3"
  }
}

-- 
Edit bug report at https://bugs.php.net/bug.php?id=73686&edit=1
-- 
Try a snapshot (PHP 5.4):   https://bugs.php.net/fix.php?id=73686&r=trysnapshot54
Try a snapshot (PHP 5.5):   https://bugs.php.net/fix.php?id=73686&r=trysnapshot55
Try a snapshot (trunk):     https://bugs.php.net/fix.php?id=73686&r=trysnapshottrunk
Fixed in SVN:               https://bugs.php.net/fix.php?id=73686&r=fixed
Fixed in release:           https://bugs.php.net/fix.php?id=73686&r=alreadyfixed
Need backtrace:             https://bugs.php.net/fix.php?id=73686&r=needtrace
Need Reproduce Script:      https://bugs.php.net/fix.php?id=73686&r=needscript
Try newer version:          https://bugs.php.net/fix.php?id=73686&r=oldversion
Not developer issue:        https://bugs.php.net/fix.php?id=73686&r=support
Expected behavior:          https://bugs.php.net/fix.php?id=73686&r=notwrong
Not enough info:            https://bugs.php.net/fix.php?id=73686&r=notenoughinfo
Submitted twice:            https://bugs.php.net/fix.php?id=73686&r=submittedtwice
register_globals:           https://bugs.php.net/fix.php?id=73686&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=73686&r=php4
Daylight Savings:           https://bugs.php.net/fix.php?id=73686&r=dst
IIS Stability:              https://bugs.php.net/fix.php?id=73686&r=isapi
Install GNU Sed:            https://bugs.php.net/fix.php?id=73686&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=73686&r=float
No Zend Extensions:         https://bugs.php.net/fix.php?id=73686&r=nozend
MySQL Configuration Error:  https://bugs.php.net/fix.php?id=73686&r=mysqlcfg

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