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  • DOMNamedNodeMap::count()

    (PHP 7 >= 7.2.0)

    Get number of nodes in the map

    说明

    publicDOMNamedNodeMap::count(void): int

    Gets the number of nodes in the map.

    参数

    此函数没有参数。

    返回值

    Returns the number of nodes in the map, which is identical to the length property.