004+ resource(5) of type (stream)
005- Warning: opendir(%s/opendir_variation5/sub_dir/child_dir): failed to open dir: %s in %s on line %d
006- bool(false)
007-
007+ resource(6) of type (stream)
009-
010- Warning: opendir(%s/opendir_variation5/sub_dir/child_dir): failed to open dir: %s in %s on line %d
011- bool(false)