1--TEST-- 2SimpleXML: adding/removing attributes (second) 3--SKIPIF-- 4<?php if (!extension_loaded("simplexml")) print "skip"; ?> 5--FILE-- 6<?php 7$xml =<<<EOF 8<people> 9 <person name="Joe"></person> 10 <person name="Boe"></person> 11</people> 12EOF; 13 14$people = simplexml_load_string($xml); 15var_dump($people->person[0]['name']); 16var_dump($people->person[1]['age']); 17$person = $people->person[1]; 18$person['name'] = "XXX"; 19var_dump($people->person[1]['name']); 20$people->person[1]['age'] = 30; 21var_dump($people->person[1]['age']); 22echo "---Unset:---\n"; 23unset($people->person[1]['age']); 24echo "---Unset?---\n"; 25var_dump($people->person[1]['age']); 26var_dump(isset($people->person[1]['age'])); 27echo "---Unsupported---\n"; 28$people->person[1]['age'] += 5; 29var_dump($people->person[1]['age']); 30?> 31--EXPECTF-- 32object(SimpleXMLElement)#%d (1) { 33 [0]=> 34 string(3) "Joe" 35} 36NULL 37object(SimpleXMLElement)#%d (1) { 38 [0]=> 39 string(3) "XXX" 40} 41object(SimpleXMLElement)#%d (1) { 42 [0]=> 43 string(2) "30" 44} 45---Unset:--- 46---Unset?--- 47NULL 48bool(false) 49---Unsupported--- 50object(SimpleXMLElement)#%d (1) { 51 [0]=> 52 string(1) "5" 53} 54