The DOMXPath class

Introduction

(PHP 5, PHP 7, PHP 8)

Allows to use XPath 1.0 queries on HTML or XML documents.

Class synopsis

public evaluate(string $expression, ?DOMNode $contextNode = null, bool $registerNodeNS = true): mixed

public query(string $expression, ?DOMNode $contextNode = null, bool $registerNodeNS = true): mixed

public static quote(string $str): string

public registerNamespace(string $prefix, string $namespace): bool

public registerPhpFunctionNS(string $namespaceURI, string $name, callable $callable): void

public registerPhpFunctions(string|array|null $restrict = null): void

Properties

document

The document that is linked to this object.

registerNodeNamespaces

When set to true, namespaces in the node are registered.

Changelog

Table of Contents

• DOMXPath::__construct — Creates a new DOMXPath object
• DOMXPath::evaluate — Evaluates the given XPath expression and returns a typed result if possible
• DOMXPath::query — Evaluates the given XPath expression
• DOMXPath::quote — Quotes a string for use in an XPath expression
• DOMXPath::registerNamespace — Registers the namespace with the DOMXPath object
• DOMXPath::registerPhpFunctionNS — Register a PHP functions as namespaced XPath function
• DOMXPath::registerPhpFunctions — Register PHP functions as XPath functions