From: hannes dot magnusson at gmail dot com
Operating system: FreeBSD
PHP version: 5CVS-2007-04-17 (CVS)
PHP Bug Type: Scripting Engine problem
Bug description: Memory leak when creating object from empty value
Description:
------------
Creating an object from an empty value on overloaded element leaks.
Reproduce code:
---------------
<?php
class foo implements ArrayAccess {
private $array;
public function offsetSet($key, $value) {
$this->array[$key] = $value;
}
public function offsetGet($key) {
return $this->array[$key];
}
public function offsetExists($key) {}
public function offsetUnset($key) {}
}
$foo = new foo;
$foo["bar"] = array();
$foo["bar"][0]->std = "foo";
Actual result:
--------------
Notice: Indirect modification of overloaded element of foo has no effect
in /usr/home/bjori/test/memleak.php on line 16
Strict Standards: Creating default object from empty value in
/usr/home/bjori/test/memleak.php on line 16
[Tue Apr 17 14:02:54 2007] Script: 'memleak.php'
/usr/src/php/5.2/Zend/zend_execute.c(441) : Freeing 0x0850535C (16
bytes), script=memleak.php
=== Total 1 memory leaks detected ===
--
Edit bug report at http://bugs.php.net/?id=41115&edit=1
--
Try a CVS snapshot (PHP 4.4):
http://bugs.php.net/fix.php?id=41115&r=trysnapshot44
Try a CVS snapshot (PHP 5.2):
http://bugs.php.net/fix.php?id=41115&r=trysnapshot52
Try a CVS snapshot (PHP 6.0):
http://bugs.php.net/fix.php?id=41115&r=trysnapshot60
Fixed in CVS: http://bugs.php.net/fix.php?id=41115&r=fixedcvs
Fixed in release:
http://bugs.php.net/fix.php?id=41115&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=41115&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=41115&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=41115&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=41115&r=support
Expected behavior: http://bugs.php.net/fix.php?id=41115&r=notwrong
Not enough info:
http://bugs.php.net/fix.php?id=41115&r=notenoughinfo
Submitted twice:
http://bugs.php.net/fix.php?id=41115&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=41115&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=41115&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=41115&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=41115&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=41115&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=41115&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=41115&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=41115&r=mysqlcfg
