From:
Operating system: FreeBSD
PHP version: 5.3.3
Package: Scripting Engine problem
Bug Type: Bug
Bug description:conditional class creation does not reset static variable in
method
Description:
------------
when a class which extends a parent class with a method which define a
static variable is created then a condition is verified, the static
variable is not reset in the chield class.
Test script:
---------------
<?php
abstract class singleton
{
public static function getInstance()
{
static $instance = null;
if ($instance === null)
{
$instance = new static();
}
return $instance;
}
protected function __construct() {}
protected function __clone() {}
}
class a extends singleton {
}
var_dump(a::getInstance());
if (1 > 0)
{
class b extends a {}
}
var_dump(b::getInstance());
?>
Expected result:
----------------
object(a)#1 (0) {
}
object(b)#2 (0) {
}
Actual result:
--------------
object(a)#1 (0) {
}
object(a)#1 (0) {
}
--
Edit bug report at http://bugs.php.net/bug.php?id=53155&edit=1
--
Try a snapshot (PHP 5.2):
http://bugs.php.net/fix.php?id=53155&r=trysnapshot52
Try a snapshot (PHP 5.3):
http://bugs.php.net/fix.php?id=53155&r=trysnapshot53
Try a snapshot (trunk):
http://bugs.php.net/fix.php?id=53155&r=trysnapshottrunk
Fixed in SVN:
http://bugs.php.net/fix.php?id=53155&r=fixed
Fixed in SVN and need be documented:
http://bugs.php.net/fix.php?id=53155&r=needdocs
Fixed in release:
http://bugs.php.net/fix.php?id=53155&r=alreadyfixed
Need backtrace:
http://bugs.php.net/fix.php?id=53155&r=needtrace
Need Reproduce Script:
http://bugs.php.net/fix.php?id=53155&r=needscript
Try newer version:
http://bugs.php.net/fix.php?id=53155&r=oldversion
Not developer issue:
http://bugs.php.net/fix.php?id=53155&r=support
Expected behavior:
http://bugs.php.net/fix.php?id=53155&r=notwrong
Not enough info:
http://bugs.php.net/fix.php?id=53155&r=notenoughinfo
Submitted twice:
http://bugs.php.net/fix.php?id=53155&r=submittedtwice
register_globals:
http://bugs.php.net/fix.php?id=53155&r=globals
PHP 4 support discontinued: http://bugs.php.net/fix.php?id=53155&r=php4
Daylight Savings: http://bugs.php.net/fix.php?id=53155&r=dst
IIS Stability:
http://bugs.php.net/fix.php?id=53155&r=isapi
Install GNU Sed:
http://bugs.php.net/fix.php?id=53155&r=gnused
Floating point limitations:
http://bugs.php.net/fix.php?id=53155&r=float
No Zend Extensions:
http://bugs.php.net/fix.php?id=53155&r=nozend
MySQL Configuration Error:
http://bugs.php.net/fix.php?id=53155&r=mysqlcfg
