1--TEST-- 2string offset 001 3--FILE-- 4<?php 5function foo($x) { 6 var_dump($x); 7} 8 9$str = "abc"; 10var_dump($str[-1]); 11var_dump($str[0]); 12var_dump($str[1]); 13var_dump($str[2]); 14var_dump($str[3]); 15var_dump($str[1][0]); 16var_dump($str[2][1]); 17 18foo($str[-1]); 19foo($str[0]); 20foo($str[1]); 21foo($str[2]); 22foo($str[3]); 23foo($str[1][0]); 24foo($str[2][1]); 25?> 26--EXPECTF-- 27Notice: Uninitialized string offset: -1 in %sstr_offset_001.php on line %d 28string(0) "" 29string(1) "a" 30string(1) "b" 31string(1) "c" 32 33Notice: Uninitialized string offset: 3 in %sstr_offset_001.php on line %d 34string(0) "" 35string(1) "b" 36 37Notice: Uninitialized string offset: 1 in %sstr_offset_001.php on line %d 38string(0) "" 39 40Notice: Uninitialized string offset: -1 in %sstr_offset_001.php on line %d 41string(0) "" 42string(1) "a" 43string(1) "b" 44string(1) "c" 45 46Notice: Uninitialized string offset: 3 in %sstr_offset_001.php on line %d 47string(0) "" 48string(1) "b" 49 50Notice: Uninitialized string offset: 1 in %sstr_offset_001.php on line %d 51string(0) "" 52
