The DOMXPath class

(PHP 5, PHP 7)

简介

Supports XPath 1.0

DOMXPath {

/* 属性 */

public DOMDocument $document ;

/* 方法 */

public __construct ( DOMDocument $doc )

public evaluate ( string $expression [, DOMNode $contextnode [, bool $registerNodeNS = TRUE ]] ) : mixed

public query ( string $expression [, DOMNode $contextnode [, bool $registerNodeNS = TRUE ]] ) : DOMNodeList

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

public registerPhpFunctions ([ mixed $restrict ] ) : void

}

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::registerNamespace — Registers the namespace with the DOMXPath object
DOMXPath::registerPhpFunctions — Register PHP functions as XPath functions