DOMNamedNodeMap
PHP Manual

DOMNamedNodeMap::item

(PHP 5, PHP 7)

DOMNamedNodeMap::itemRetrieves a node specified by index

说明

DOMNode DOMNamedNodeMap::item ( int $index )

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).


DOMNamedNodeMap
PHP Manual