1--TEST-- 2XMLReader: libxml2 XML Reader, Move cursor to a named attribute within a namespace 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$xmlstring = '<?xml version="1.0" encoding="UTF-8"?> 11<books xmlns:ns1="http://www.ns1.namespace.org/" xmlns:ns2="http://www.ns2.namespace.org/"><book ns1:num="1" ns2:idx="2" ns1:idx="3" ns2:isbn="4">book1</book></books>'; 12$filename = __DIR__ . '/015.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 the book node 25 if ($reader->nodeType == XMLREADER::ELEMENT && $reader->name == 'book') { 26 $attr = $reader->moveToFirstAttribute(); 27 $attr = $reader->moveToAttributeNs('idx', 'http://www.ns1.namespace.org/'); 28 echo $reader->name . ": "; 29 echo $reader->value . "\n"; 30 31 $attr = $reader->moveToAttributeNs('idx', 'http://www.ns2.namespace.org/'); 32 echo $reader->name . ": "; 33 echo $reader->value . "\n"; 34 35 $attr = $reader->moveToAttributeNs('isbn', 'http://www.ns2.namespace.org/'); 36 echo $reader->name . ": "; 37 echo $reader->value . "\n"; 38 39 // Try moving to an attribute that doesn't exist 40 $attr = $reader->moveToAttributeNs('elephpant', 'http://www.ns2.namespace.org/'); 41 // That move should return a result of false, because there is no elephpant attribute (in any namespace) 42 if (!$attr) { 43 echo "Attribute does not exist\n"; 44 } 45 // Node pointer should still be aat the last valid node 46 echo $reader->name . ": "; 47 echo $reader->value . "\n"; 48 } 49 } 50} 51 52// clean up 53$reader->close(); 54?> 55--CLEAN-- 56<?php 57unlink(__DIR__.'/015.xml'); 58?> 59--EXPECT-- 60ns1:idx: 3 61ns2:idx: 2 62ns2:isbn: 4 63Attribute does not exist 64ns2:isbn: 4 65