1--TEST-- 2SPL: ArrayObject::exchangeArray() basic usage with object as underlying data store. 3--FILE-- 4<?php 5 6class C { 7 public $pub1 = 'public1'; 8} 9 10echo "--> exchangeArray() with objects:\n"; 11$original = new C; 12$ao = new ArrayObject($original); 13$swapIn = new C; 14try { 15 $copy = $ao->exchangeArray($swapIn); 16 $copy['addedToCopy'] = 'added To Copy'; 17} catch (Exception $e) { 18 echo "Exception:" . $e->getMessage() . "\n"; 19} 20$swapIn->addedToSwapIn = 'added To Swap-In'; 21$original->addedToOriginal = 'added To Original'; 22var_dump($ao, $original, $swapIn, $copy); 23 24 25echo "\n\n--> exchangeArray() with no arg:\n"; 26unset($original, $ao, $swapIn, $copy); 27$original = new C; 28$ao = new ArrayObject($original); 29try { 30 $copy = $ao->exchangeArray(); 31 $copy['addedToCopy'] = 'added To Copy'; 32} catch (Exception $e) { 33 echo "Exception:" . $e->getMessage() . "\n"; 34} 35$original->addedToOriginal = 'added To Original'; 36var_dump($ao, $original, $copy); 37 38echo "\n\n--> exchangeArray() with bad arg type:\n"; 39unset($original, $ao, $swapIn, $copy); 40$original = new C; 41$ao = new ArrayObject($original); 42try { 43 $copy = $ao->exchangeArray(null); 44 $copy['addedToCopy'] = 'added To Copy'; 45} catch (Exception $e) { 46 echo "Exception:" . $e->getMessage() . "\n"; 47} 48$original->addedToOriginal = 'added To Original'; 49var_dump($ao, $original, $copy); 50 51?> 52--EXPECTF-- 53--> exchangeArray() with objects: 54object(ArrayObject)#2 (1) { 55 ["storage":"ArrayObject":private]=> 56 object(C)#3 (2) { 57 ["pub1"]=> 58 string(7) "public1" 59 ["addedToSwapIn"]=> 60 string(16) "added To Swap-In" 61 } 62} 63object(C)#1 (2) { 64 ["pub1"]=> 65 string(7) "public1" 66 ["addedToOriginal"]=> 67 string(17) "added To Original" 68} 69object(C)#3 (2) { 70 ["pub1"]=> 71 string(7) "public1" 72 ["addedToSwapIn"]=> 73 string(16) "added To Swap-In" 74} 75array(2) { 76 ["pub1"]=> 77 string(7) "public1" 78 ["addedToCopy"]=> 79 string(13) "added To Copy" 80} 81 82 83--> exchangeArray() with no arg: 84 85Warning: ArrayObject::exchangeArray() expects exactly 1 parameter, 0 given in %s on line 27 86object(ArrayObject)#2 (1) { 87 ["storage":"ArrayObject":private]=> 88 object(C)#3 (2) { 89 ["pub1"]=> 90 string(7) "public1" 91 ["addedToOriginal"]=> 92 string(17) "added To Original" 93 } 94} 95object(C)#3 (2) { 96 ["pub1"]=> 97 string(7) "public1" 98 ["addedToOriginal"]=> 99 string(17) "added To Original" 100} 101array(1) { 102 ["addedToCopy"]=> 103 string(13) "added To Copy" 104} 105 106 107--> exchangeArray() with bad arg type: 108Exception:Passed variable is not an array or object 109 110Notice: Undefined variable: copy in %s on line 46 111object(ArrayObject)#3 (1) { 112 ["storage":"ArrayObject":private]=> 113 object(C)#2 (2) { 114 ["pub1"]=> 115 string(7) "public1" 116 ["addedToOriginal"]=> 117 string(17) "added To Original" 118 } 119} 120object(C)#2 (2) { 121 ["pub1"]=> 122 string(7) "public1" 123 ["addedToOriginal"]=> 124 string(17) "added To Original" 125} 126NULL 127