003+ bool(true)
004+ string(1) "f"
005+ bool(true)
003- bool(false)
004-
005- Warning: Illegal string offset 'foo' in %soffsets_chaining_5.php on line %d
007- bool(false)
008-
009- Warning: Illegal string offset 'foo' in %soffsets_chaining_5.php on line %d
010-
011- Warning: Illegal string offset 'bar' in %soffsets_chaining_5.php on line %d
012- string(1) "f"