DOMNamedNodeMap
PHP 手册

DOMNamedNodeMap::item

(PHP 5)

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 index th 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 手册