1--TEST-- 2SimpleXML: XPath 3--EXTENSIONS-- 4simplexml 5--FILE-- 6<?php 7 8$xml =<<<EOF 9<?xml version='1.0'?> 10<!DOCTYPE sxe SYSTEM "notfound.dtd"> 11<sxe id="elem1"> 12 <elem1 attr1='first'> 13 <!-- comment --> 14 <elem2> 15 <elem3> 16 <elem4> 17 <?test processing instruction ?> 18 </elem4> 19 </elem3> 20 </elem2> 21 </elem1> 22</sxe> 23EOF; 24 25$sxe = simplexml_load_string($xml); 26 27var_dump($sxe->xpath("elem1/elem2/elem3/elem4")); 28//valid expression 29var_dump($sxe->xpath("***")); 30//invalid expression 31var_dump($sxe->xpath("**")); 32?> 33--EXPECTF-- 34array(1) { 35 [0]=> 36 object(SimpleXMLElement)#%d (1) { 37 ["test"]=> 38 object(SimpleXMLElement)#%d (0) { 39 } 40 } 41} 42array(0) { 43} 44 45Warning: SimpleXMLElement::xpath(): Invalid expression in %s on line %d%A 46bool(false) 47
