1--TEST-- 2Using isset() with arrays 3--FILE-- 4<?php 5 6$array = [ 7 0 => true, 8 "a" => true, 9]; 10 11var_dump(isset($array[0])); 12 13var_dump(isset($array["a"])); 14 15var_dump(isset($array[false])); 16 17var_dump(isset($array[0.6])); 18 19var_dump(isset($array[true])); 20 21var_dump(isset($array[null])); 22 23var_dump(isset($array[STDIN])); 24 25try { 26 isset($array[[]]); 27} catch (TypeError $exception) { 28 echo $exception->getMessage() . "\n"; 29} 30 31try { 32 isset($array[new stdClass()]); 33} catch (TypeError $exception) { 34 echo $exception->getMessage() . "\n"; 35} 36?> 37--EXPECTF-- 38bool(true) 39bool(true) 40bool(true) 41 42Deprecated: Implicit conversion from float 0.6 to int loses precision in %s on line %d 43bool(true) 44bool(false) 45bool(false) 46 47Warning: Resource ID#%d used as offset, casting to integer (%d) in %s on line %d 48bool(false) 49Illegal offset type in isset or empty 50Illegal offset type in isset or empty 51
