The DOMXPath class

(PHP 5, PHP 7)

简介

Supports XPath 1.0

DOMXPath {

/* 属性 */

public DOMDocument $document ;

/* 方法 */

public __construct ( DOMDocument $document , bool $registerNodeNS = true )

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

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

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

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