DOMNamedNodeMap::item

(PHP 5, PHP 7)

DOMNamedNodeMap::item — Retrieves a node specified by index

说明

public DOMNamedNodeMap::item ( int $index ) : DOMNode|null

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).