1--TEST-- 2using different variables to access string offsets 3--FILE-- 4<?php 5 6$str = "Sitting on a corner all alone, staring from the bottom of his soul"; 7 8var_dump($str[1]); 9var_dump($str[0.0836]); 10var_dump($str[NULL]); 11var_dump($str["run away"]); 12var_dump($str["13"]); 13var_dump($str["14.5"]); 14var_dump($str["15 and then some"]); 15 16var_dump($str[TRUE]); 17var_dump($str[FALSE]); 18 19$fp = fopen(__FILE__, "r"); 20var_dump($str[$fp]); 21 22$obj = new stdClass; 23var_dump($str[$obj]); 24 25$arr = Array(1,2,3); 26var_dump($str[$arr]); 27 28echo "Done\n"; 29?> 30--EXPECTF-- 31string(1) "i" 32 33Notice: String offset cast occurred in %s on line %d 34string(1) "S" 35 36Notice: String offset cast occurred in %s on line %d 37string(1) "S" 38 39Warning: Illegal string offset 'run away' in %s on line %d 40string(1) "S" 41string(1) "c" 42 43Warning: Illegal string offset '14.5' in %s on line %d 44string(1) "o" 45 46Notice: A non well formed numeric value encountered in %s on line %d 47string(1) "r" 48 49Notice: String offset cast occurred in %s on line %d 50string(1) "i" 51 52Notice: String offset cast occurred in %s on line %d 53string(1) "S" 54 55Warning: Illegal offset type in %s on line %d 56string(1) "%s" 57 58Warning: Illegal offset type in %s on line %d 59 60Notice: Object of class stdClass could not be converted to int in %s on line %d 61string(1) "%s" 62 63Warning: Illegal offset type in %s on line %d 64string(1) "i" 65Done