From: pretzlaw at gmail dot com
Operating system: Ubuntu 12.10 L 3.5.0-27-generic
PHP version: 5.4.14
Package: *General Issues
Bug Type: Bug
Bug description:Static methods with static variables keep their value
Description:
------------
Inherit a class with a static method. The static method has static variable
in
it. Now execute both methods and watch the variable. It wont change from
one
class to another.
Test script:
---------------
<?php
class A
{
function __construct()
{
echo get_class($this->getInstance()), PHP_EOL,
get_class(static::getInstance()), PHP_EOL,
get_class(self::getInstance()), PHP_EOL;
}
public static function getInstance()
{
static $getInstance;
if (null == $getInstance) $getInstance = self::makeInstance();
return $getInstance;
}
public static function makeInstance()
{
return new stdClass();
}
}
$a = new A();
class B extends A
{
function __construct()
{
echo get_class($this->getInstance()), PHP_EOL,
get_class(static::getInstance()), PHP_EOL,
get_class(self::getInstance()), PHP_EOL;
}
public static function makeInstance()
{
return new ArrayObject();
}
}
$a = new B();
Expected result:
----------------
stdClass
stdClass
stdClass
ArrayObject
ArrayObject
stdClass
Actual result:
--------------
stdClass
stdClass
stdClass
stdClass
stdClass
stdClass
--
Edit bug report at https://bugs.php.net/bug.php?id=64645&edit=1
--
Try a snapshot (PHP 5.4):
https://bugs.php.net/fix.php?id=64645&r=trysnapshot54
Try a snapshot (PHP 5.3):
https://bugs.php.net/fix.php?id=64645&r=trysnapshot53
Try a snapshot (trunk):
https://bugs.php.net/fix.php?id=64645&r=trysnapshottrunk
Fixed in SVN: https://bugs.php.net/fix.php?id=64645&r=fixed
Fixed in release: https://bugs.php.net/fix.php?id=64645&r=alreadyfixed
Need backtrace: https://bugs.php.net/fix.php?id=64645&r=needtrace
Need Reproduce Script: https://bugs.php.net/fix.php?id=64645&r=needscript
Try newer version: https://bugs.php.net/fix.php?id=64645&r=oldversion
Not developer issue: https://bugs.php.net/fix.php?id=64645&r=support
Expected behavior: https://bugs.php.net/fix.php?id=64645&r=notwrong
Not enough info:
https://bugs.php.net/fix.php?id=64645&r=notenoughinfo
Submitted twice:
https://bugs.php.net/fix.php?id=64645&r=submittedtwice
register_globals: https://bugs.php.net/fix.php?id=64645&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=64645&r=php4
Daylight Savings: https://bugs.php.net/fix.php?id=64645&r=dst
IIS Stability: https://bugs.php.net/fix.php?id=64645&r=isapi
Install GNU Sed: https://bugs.php.net/fix.php?id=64645&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=64645&r=float
No Zend Extensions: https://bugs.php.net/fix.php?id=64645&r=nozend
MySQL Configuration Error: https://bugs.php.net/fix.php?id=64645&r=mysqlcfg
