1--TEST-- 2XMLReader: libxml2 XML Reader, read-only element values cannot be modified 3--CREDITS-- 4Mark Baker mark@lange.demon.co.uk at the PHPNW2017 Conference for PHP Testfest 2017 5--EXTENSIONS-- 6xmlreader 7--FILE-- 8<?php 9// Set up test data in a new file 10$xmlstring = '<?xml version="1.0" encoding="UTF-8"?> 11<books><book num="1" idx="2">book1</book></books>'; 12$filename = __DIR__ . '/_014.xml'; 13file_put_contents($filename, $xmlstring); 14 15// Load test data into a new XML Reader 16$reader = new XMLReader(); 17if (!$reader->open($filename)) { 18 exit('XML could not be read'); 19} 20 21// Parse the data 22while ($reader->read()) { 23 if ($reader->nodeType != XMLREADER::END_ELEMENT) { 24 // Find a node to try modifying 25 if ($reader->nodeType == XMLREADER::ELEMENT && $reader->name == 'book') { 26 // Try to set the value of the element from book1 to movie1 27 try { 28 $reader->value = 'movie1'; 29 } catch (Error $exception) { 30 echo $exception->getMessage() . "\n"; 31 } 32 // Try to set the value of the first "num" attribute from "1" to "num attribute 1" 33 $attr = $reader->moveToFirstAttribute(); 34 try { 35 $reader->value = 'num attribute 1'; 36 } catch (Error $exception) { 37 echo $exception->getMessage() . "\n"; 38 } 39 // Try to set the name of the first attribute from "num" to "number" 40 try { 41 $reader->name = 'number'; 42 } catch (Error $exception) { 43 echo $exception->getMessage() . "\n"; 44 } 45 } 46 } 47} 48 49// clean up 50$reader->close(); 51?> 52--CLEAN-- 53<?php 54unlink(__DIR__.'/_014.xml'); 55?> 56--EXPECT-- 57Cannot write to read-only property 58Cannot write to read-only property 59Cannot write to read-only property 60
