xpath_eval — Evaluates an XPath expression.
object xpath_eval(xpcontext, expression);
object xpcontext: A
reference to an xpath context object
string expression: The
expression to be evaluated
A XPath object on success or FALSE on error.
Evaluates the XPath expression and returns an object that
contains a nodeset. The nodeset contains the results of
the evaulated expression. For more information on Xpath
expressions goto http://www.w3.org/TR/xpath.
Example 263. Evaluate an
//create an XML document
$doc = xmldoc("1.0");
$root = $doc->add_root("HTML ");
$head = $root->new_child("HEAD", "");
$title = $head->new_child("TITLE", "Hello World");
$root->new_child("BODY","This is the body");
//evaluate the xpath expression
PHP Functions Essential Reference. Copyright © 2002 by New Riders Publishing
(Authors: Zak Greant, Graeme Merrall, Torben Wilson, Brett Michlitsch).
This material may be distributed only subject to the terms and conditions set forth
in the Open Publication License, v1.0 or later (the latest version is presently available at
The authors of this book have elected not to choose any options under the OPL. This online book was obtained
and is designed to provide information about the PHP programming language, focusing on PHP version 4.0.4
for the most part. The information is provided on an as-is basis, and no warranty or fitness is implied. All
persons and entities shall have neither liability nor responsibility to any person or entity with respect to
any loss or damage arising from the information contained in this book.