1--TEST-- 2ReflectionClass::getInterfaces() - odd ampersand behaviour. 3--CREDITS-- 4Robin Fernandes <robinf@php.net> 5Steve Seear <stevseea@php.net> 6--FILE-- 7<?php 8 9echo "An object is in an array and is referenced. As expected, var_dumping the array shows '&':\n"; 10$a = array(new stdclass); 11$b =& $a[0]; 12var_dump($a); 13 14echo "Naturally, this remains true if we modify the object:\n"; 15$a[0]->x = 1; 16var_dump($a); 17 18 19echo "\n\nObtain the array of interfaces implemented by C.\n"; 20interface I {} 21class C implements I {} 22$rc = new ReflectionClass('C'); 23$a = $rc->getInterfaces(); 24echo "The result is an array in which each element is an object (an instance of ReflectionClass)\n"; 25echo "Var_dumping this array shows that the elements are referenced. By what?\n"; 26var_dump($a); 27 28echo "Modify the object, and it is apparently no longer referenced.\n"; 29$a['I']->x = 1; 30var_dump($a); 31 32?> 33--EXPECTF-- 34An object is in an array and is referenced. As expected, var_dumping the array shows '&': 35array(1) { 36 [0]=> 37 &object(stdClass)#%d (0) { 38 } 39} 40Naturally, this remains true if we modify the object: 41array(1) { 42 [0]=> 43 &object(stdClass)#%d (1) { 44 ["x"]=> 45 int(1) 46 } 47} 48 49 50Obtain the array of interfaces implemented by C. 51The result is an array in which each element is an object (an instance of ReflectionClass) 52Var_dumping this array shows that the elements are referenced. By what? 53array(1) { 54 ["I"]=> 55 object(ReflectionClass)#%d (1) { 56 ["name"]=> 57 string(1) "I" 58 } 59} 60Modify the object, and it is apparently no longer referenced. 61array(1) { 62 ["I"]=> 63 object(ReflectionClass)#%d (2) { 64 ["name"]=> 65 string(1) "I" 66 ["x"]=> 67 int(1) 68 } 69} 70