Bug #71208 [NEW]: Array/Object cast looses numeric property/element accessibility

From: Date: Wed, 23 Dec 2015 23:50:42 +0000
Subject: Bug #71208 [NEW]: Array/Object cast looses numeric property/element accessibility
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-198189@lists.php.net to get a copy of this message
From:             ajf
Operating system: OS X 10.11 El Capitan
PHP version:      7.0.1
Package:          Scripting Engine problem
Bug Type:         Bug
Bug description:Array/Object cast looses numeric property/element accessibility

Description:
------------
If an array is casted to an object, its integer keys become inaccessible
integer(!) key properties. They should be normal string key properties
instead.

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

$arr = [1, 2, 4];
$obj = (object)$arr;

var_dump($obj);
var_dump($obj->{1}, $obj->{2}, $obj->{3});
var_dump($obj->{'1'}, $obj->{'2'}, $obj->{'3'});

?>

Expected result:
----------------
object(stdClass)#1 (3) {
  ["0"]=>
  int(1)
  ["1"]=>
  int(2)
  ["2"]=>
  int(4)
}
int(1)
int(2)
int(4)
int(1)
int(2)
int(4)

Actual result:
--------------
object(stdClass)#1 (3) {
  [0]=>
  int(1)
  [1]=>
  int(2)
  [2]=>
  int(4)
}

Notice: Undefined property: stdClass::$1 in - on line 7

Notice: Undefined property: stdClass::$2 in - on line 7

Notice: Undefined property: stdClass::$3 in - on line 7

NULL
NULL
NULL

Notice: Undefined property: stdClass::$1 in - on line 8

Notice: Undefined property: stdClass::$2 in - on line 8

Notice: Undefined property: stdClass::$3 in - on line 8

NULL
NULL
NULL

-- 
Edit bug report at https://bugs.php.net/bug.php?id=71208&edit=1
-- 
Try a snapshot (PHP 5.4):   https://bugs.php.net/fix.php?id=71208&r=trysnapshot54
Try a snapshot (PHP 5.5):   https://bugs.php.net/fix.php?id=71208&r=trysnapshot55
Try a snapshot (trunk):     https://bugs.php.net/fix.php?id=71208&r=trysnapshottrunk
Fixed in SVN:               https://bugs.php.net/fix.php?id=71208&r=fixed
Fixed in release:           https://bugs.php.net/fix.php?id=71208&r=alreadyfixed
Need backtrace:             https://bugs.php.net/fix.php?id=71208&r=needtrace
Need Reproduce Script:      https://bugs.php.net/fix.php?id=71208&r=needscript
Try newer version:          https://bugs.php.net/fix.php?id=71208&r=oldversion
Not developer issue:        https://bugs.php.net/fix.php?id=71208&r=support
Expected behavior:          https://bugs.php.net/fix.php?id=71208&r=notwrong
Not enough info:            https://bugs.php.net/fix.php?id=71208&r=notenoughinfo
Submitted twice:            https://bugs.php.net/fix.php?id=71208&r=submittedtwice
register_globals:           https://bugs.php.net/fix.php?id=71208&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=71208&r=php4
Daylight Savings:           https://bugs.php.net/fix.php?id=71208&r=dst
IIS Stability:              https://bugs.php.net/fix.php?id=71208&r=isapi
Install GNU Sed:            https://bugs.php.net/fix.php?id=71208&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=71208&r=float
No Zend Extensions:         https://bugs.php.net/fix.php?id=71208&r=nozend
MySQL Configuration Error:  https://bugs.php.net/fix.php?id=71208&r=mysqlcfg



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