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Bug #32626 dynamic object reference is not stored in a static var
Submitted: 2005-04-07 18:13 UTC Modified: 2005-04-07 22:25 UTC
From: jon dot brightwell at s2o dot co dot uk Assigned:
Status: Closed Package: Class/Object related
PHP Version: 5.0.4 OS: W2k srv IIS
Private report: No CVE-ID: None
View Developer Edit
 [2005-04-07 18:13 UTC] jon dot brightwell at s2o dot co dot uk 
Description:
------------
$mcp is a class instance.
constructor of mcp stores a reference of itself in a seperate static class.

Reproduce code:
---------------
$yo = new mcp();

class mcp
{
	public function __construct()
	{
	    io_tower::setMCP($this);
        }
}

class io_tower
{

	static public function getMCP()
	{
		return self::$mcp;		
	}
	static public function setMCP($import)
	{
		try
		{
			if(is_object(self::$mcp)) throw new Exception("MCP already exists");
		}catch (Exception $e){return;}
		
		self::$mcp= $import;		
	}
}

Expected result:
----------------
io_tower(self)::$mcp = instance of mcp
ie. io_tower::getMCP() = instance

Actual result:
--------------
io_tower(self)::$mcp = null
ie. io_tower::getMCP() = null

Patches

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 [2005-04-07 18:14 UTC] sniper@php.net 
Please try using this CVS snapshot:

  http://snaps.php.net/php5-latest.tar.gz
 
For Windows:
 
  http://snaps.php.net/win32/php5-win32-latest.zip
 [2005-04-07 18:29 UTC] jon dot brightwell at s2o dot co dot uk 
latest snapshot (5.1.0-dev) does work but breaks zends debugger;

Failed loading C:\Program Files\Zend\ZendStudioClient-4.0.0\lib\php5\ZendDebuggerLocal.dll

is there a snapshot that is still zend 4 compatible with the fix in?
 [2005-04-07 21:55 UTC] phpbugs at majiclab dot com 
From what I see, you haven't declared a static class variable in io_tower.
 [2005-04-07 22:25 UTC] sniper@php.net 
For the Zend stuff, ask someone working for Zend..
Otherwise -> closed.
 
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