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Bug #26441 Strange behavior when __set() return a member variable
Submitted: 2003-11-28 01:13 UTC Modified: 2004-04-09 10:43 UTC
From: chernyshevsky at hotmail dot com Assigned: andi (profile)
Status: Closed Package: Scripting Engine problem
PHP Version: 5CVS-2004-03-30 OS: *
Private report: No CVE-ID: None
 [2003-11-28 01:13 UTC] chernyshevsky at hotmail dot com
When __set() returns an element of a member array, it seems to corrupt the array. Works as expected when "return" is removed. 

Reproduce code:
class Test {
	var $values;
	function __construct() {
		$this->values = array();

	function __set($name, $value) {
		return $this->values[$name] = $value;

	function __get($name) {
		return $this->values[$name];

$a = new Test();
$a->greeting = "Hello";
echo $a->greeting;

Expected result:

Actual result:


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 [2004-03-31 23:12 UTC] chernyshevsky at hotmail dot com
I think it was marked bogus because you don't actually need to return from __set(). The engine will call __get() when you have something like $a = $object->prop = "Hello".
 [2004-04-01 01:02 UTC]
Okay, but it still shouldn't act screwy when you do 
return that value. It should just ignore the return 
value of __set().
 [2004-04-07 11:19 UTC]
Andi, you decide if this is docu prob or real bug.. :)

 [2004-04-09 10:43 UTC]
This bug has been fixed in CVS.

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