1--TEST-- 2using different variables to access array offsets 3--FILE-- 4<?php 5 6$arr = array(1,2,3,4,5,6,7,8); 7 8var_dump($arr[1]); 9var_dump($arr[0.0836]); 10var_dump($arr[NULL]); 11var_dump($arr["run away"]); 12 13var_dump($arr[TRUE]); 14var_dump($arr[FALSE]); 15 16$fp = fopen(__FILE__, "r"); 17var_dump($arr[$fp]); 18 19$obj = new stdClass; 20try { 21 var_dump($arr[$obj]); 22} catch (Error $e) { 23 echo $e->getMessage(), "\n"; 24} 25 26$arr1 = Array(1,2,3); 27try { 28 var_dump($arr[$arr1]); 29} catch (Error $e) { 30 echo $e->getMessage(), "\n"; 31} 32 33echo "Done\n"; 34?> 35--EXPECTF-- 36int(2) 37int(1) 38 39Warning: Undefined array key "" in %s on line %d 40NULL 41 42Warning: Undefined array key "run away" in %s on line %d 43NULL 44int(2) 45int(1) 46 47Warning: Resource ID#%d used as offset, casting to integer (%d) in %s on line %d 48int(%d) 49Illegal offset type 50Illegal offset type 51Done 52
