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  • DOMXPath::__construct()

    (PHP 5, PHP 7)

    Creates a new DOMXPath object

    说明

    publicDOMXPath::__construct(DOMDocument$doc)

    Creates a new DOMXPath object.

    参数

    $doc

    The DOMDocument associated with the DOMXPath.

    The DOMXPath object doesn't create a reference to the document. If you load a new xml using either load, loadXML or loadHTML functions the DOMXPath object will still query and evaluate over the source in the DOMDocument when it was created.
    As of PHP 5.2.0, DOMXPath object implements XPath 1.0.