DOMNamedNodeMap::item

    (PHP 5, PHP 7, PHP 8)

    DOMNamedNodeMap::item — Retrieves a node specified by index

    说明

    public DOMNamedNodeMap::item(int $index): ?DOMNode

    Retrieves a node specified by index within the DOMNamedNodeMap object.

    参数

    index

    Index into this map.

    返回值

    The node at the indexth position in the map, or null if that is not a valid index (greater than or equal to the number of nodes in this map).

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