Description:
------------
If a __get() method returns a variable which is a reference, the 'Indirect modification of ...' error will not be shown.

Reproduce code:
---------------
class test {
	var $array = array();
	function __get($var) {
		$v =& $this->array;
		return $this->array;
	}
}
$t = new test;
$t->anything[] = 'bar';
print_r($t->anything);


Expected result:
----------------
Notice: Indirect modification of overloaded property test::$anything has no effect in test.php on line 10
Array
(
)

Actual result:
--------------
Array
(
)