3 var_dump(stream_filter_register("", ""));
4 var_dump(stream_filter_register("test", ""));
5 var_dump(stream_filter_register("", "test"));
6 var_dump(stream_filter_register("------", "nonexistentclass"));
7 var_dump(stream_filter_register(array(), "aa"));
8 var_dump(stream_filter_register("", array()));