Retrieves a node specified by index

DOMNamedNodeMap::item

(PHP 5, PHP 7, PHP 8)

DOMNamedNodeMap::itemRetrieves a node specified by index

說明

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

Retrieves a node specified by index within the DOMNamedNodeMap object.

參數

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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