Description:
------------
Destructor didnt called when unset();

Reproduce code:
---------------
<?php
class test 
{ 
	public $recursive; 
	public function __destruct() {echo 'Destruct';} 
}

$a=new test; 

$a->recursive=&$a; //this recursive properties make __destruct didnt called when unset();
unset($a); 

echo 'Should be no output after this';

?>

Expected result:
----------------
Expected Result:
DestructShould be no output after this

Actual result:
--------------
Current Scripts output:
Should be no output after thisDestruct