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    COMPersistHelper::__construct

    (PHP 5, PHP 7, PHP 8)

    COMPersistHelper::__construct — Construct a COMPersistHelper object

    说明

    public COMPersistHelper::__construct(?variant $variant = null)

    Constructs a persistence helper object, usually associated with a variant.

    参数

    variant
    A COM object which implements IDispatch. To be able to successfully call any of COMPersistHelper's methods, the object has to implement IPersistFile, IPersistStream and/or IPersistStreamInit. Passing null as variant is only useful if the object is to be loaded from a stream by calling COMPersistHelper::LoadFromStream().

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