--TEST-- string offset 001 --FILE-- --EXPECTF-- string(1) "a" string(1) "b" string(1) "c" Notice: Uninitialized string offset: 3 in %sstr_offset_001.php on line %d string(0) "" string(1) "b" Notice: Uninitialized string offset: 1 in %sstr_offset_001.php on line %d string(0) "" string(1) "a" string(1) "b" string(1) "c" Notice: Uninitialized string offset: 3 in %sstr_offset_001.php on line %d string(0) "" string(1) "b" Notice: Uninitialized string offset: 1 in %sstr_offset_001.php on line %d string(0) ""