From: robin_fernandes at uk dot ibm dot com
Operating system: all
PHP version: 5.3CVS-2008-07-25 (CVS)
PHP Bug Type: SPL related
Bug description: isset($arrayObject->p) misbehaves with
ArrayObject::ARRAY_AS_PROPS set
Description:
------------
If an instance of ArrayObject $ao has flag ArrayObject::ARRAY_AS_PROPS
set, $ao->p will access element p of the underlying storage array - but
only if no real property p exists on $ao. If a real property p does exist,
it will access that property as if the flag were not set.
This works correctly with read, write and unset, but not with isset:
when a real property p exists, isset($ao->p) always returns false .
Reproduce code:
---------------
<?php
class C extends ArrayObject {
public $p = 'object property';
}
$ao = new C(array('p'=>'array element'));
$ao->setFlags(ArrayObject::ARRAY_AS_PROPS);
echo "\n--> Access the real property:\n";
var_dump(isset($ao->p)); // bug
var_dump($ao->p);
echo "\n--> Remove the real property and access the array element:\n";
unset($ao->p);
var_dump(isset($ao->p));
var_dump($ao->p);
echo "\n--> Remove the array element and try access again:\n";
unset($ao->p);
var_dump(isset($ao->p));
var_dump($ao->p);
?>
Expected result:
----------------
--> Access the real property:
bool(true)
string(15) "object property"
--> Remove the real property and access the array element:
bool(true)
string(13) "array element"
--> Remove the array element and try access again:
bool(false)
Notice: Undefined index: p in %s on line 21
NULL
Actual result:
--------------
--> Access the real property:
bool(false)
string(15) "object property"
--> Remove the real property and access the array element:
bool(true)
string(13) "array element"
--> Remove the array element and try access again:
bool(false)
Notice: Undefined index: p in %s on line 21
NULL
--
Edit bug report at http://bugs.php.net/?id=45622&edit=1
--
Try a CVS snapshot (PHP 5.2):
http://bugs.php.net/fix.php?id=45622&r=trysnapshot52
Try a CVS snapshot (PHP 5.3):
http://bugs.php.net/fix.php?id=45622&r=trysnapshot53
Try a CVS snapshot (PHP 6.0):
http://bugs.php.net/fix.php?id=45622&r=trysnapshot60
Fixed in CVS: http://bugs.php.net/fix.php?id=45622&r=fixedcvs
Fixed in release:
http://bugs.php.net/fix.php?id=45622&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=45622&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=45622&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=45622&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=45622&r=support
Expected behavior: http://bugs.php.net/fix.php?id=45622&r=notwrong
Not enough info:
http://bugs.php.net/fix.php?id=45622&r=notenoughinfo
Submitted twice:
http://bugs.php.net/fix.php?id=45622&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=45622&r=globals
PHP 4 support discontinued: http://bugs.php.net/fix.php?id=45622&r=php4
Daylight Savings: http://bugs.php.net/fix.php?id=45622&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=45622&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=45622&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=45622&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=45622&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=45622&r=mysqlcfg
