Description:
------------
The namespace clause causes the PHP behaves more strictly (unexpected behavior according to the documentation - with regard to the namespaces or function extract).

Reproduce code:
---------------
<?php

// namespace A;

function test()
{
	extract(func_get_arg(0));
}

test(array('x' => 1));

Expected result:
----------------
--none--

Actual result:
--------------
When row "namespace A" is commented:
--none--


When row "namespace A" is uncommented:
Strict Standards: Only variables should be passed by reference in ...