1--TEST-- 2XMLReader: libxml2 XML Reader, Get an attribute, with invalid arguments 3--CREDITS-- 4Mark Baker mark@lange.demon.co.uk at the PHPNW2017 Conference for PHP Testfest 2017 5--SKIPIF-- 6<?php if (!extension_loaded("xmlreader")) print "skip"; ?> 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__ . '/003-get-errors.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 echo $reader->name . "\n"; 27 28 $attr = $reader->moveToNextAttribute(); 29 var_dump($attr); 30 echo $reader->name . ": "; 31 echo $reader->value . "\n"; 32 33 // Test for call with an empty string argument 34 $attr = $reader->getAttribute(''); 35 var_dump($attr); 36 // Ensure that node pointer has not changed position 37 echo $reader->name . ": "; 38 echo $reader->value . "\n"; 39 40 // Test for call by name for an attribute that doesn't exist 41 $attr = $reader->getAttribute('isbn'); 42 var_dump($attr); // NULL expected 43 // Ensure that node pointer has not changed position 44 echo $reader->name . ": "; 45 echo $reader->value . "\n"; 46 47 // Test for call by number for an attribute that doesn't exist 48 $attr = $reader->getAttributeNo(911); 49 var_dump($attr); // NULL expected 50 // Ensure that node pointer has not changed position 51 echo $reader->name . ": "; 52 echo $reader->value . "\n"; 53 } 54 } 55} 56 57// clean up 58$reader->close(); 59?> 60===DONE=== 61--CLEAN-- 62<?php 63unlink(__DIR__.'/003-get-errors.xml'); 64?> 65--EXPECTF-- 66book 67bool(true) 68num: 1 69 70Warning: XMLReader::getAttribute(): Argument cannot be an empty string in %s on line %d 71bool(false) 72num: 1 73NULL 74num: 1 75NULL 76num: 1 77===DONE=== 78