Description:
------------
Class is passed as reference in array ?

Reproduce code:
---------------
$a= new stdClass();
$test=array();
for ($i=0;$i<5;$i++){
	$a->i=$i;
	$test[]=$a;
}
print_r($test);

Expected result:
----------------
Array
(
    [0] => stdClass Object
        (
            [i] => 0
        )

    [1] => stdClass Object
        (
            [i] => 1
        )

    [2] => stdClass Object
        (
            [i] => 2
        )

    [3] => stdClass Object
        (
            [i] => 3
        )

    [4] => stdClass Object
        (
            [i] => 4
        )

)

Actual result:
--------------
Array
(
    [0] => stdClass Object
        (
            [i] => 4
        )

    [1] => stdClass Object
        (
            [i] => 4
        )

    [2] => stdClass Object
        (
            [i] => 4
        )

    [3] => stdClass Object
        (
            [i] => 4
        )

    [4] => stdClass Object
        (
            [i] => 4
        )

)