DOMXPath::registerNamespace

(PHP 5, PHP 7)

DOMXPath::registerNamespace — Registers the namespace with the DOMXPath object

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

Registers the namespaceURI and prefix with the DOMXPath object.

成功时返回 TRUE，或者在失败时返回 FALSE。