--TEST--
Bug #47165 (Possible memory corruption when passing return value by reference)
--FILE--
<?php
class Foo {
    var $bar = array();

    static function bar() {
        static $instance = null;
        $instance = new Foo();
        return $instance->bar;
    }
}
extract(Foo::bar());
echo "ok\n";
?>
--EXPECT--
ok