(PHP 5, PHP 7)
Retrieves a node specified by index
DOMNode DOMNamedNodeMap::item ( int $index )
Retrieves a node specified by index within the DOMNamedNodeMap object.
Parameters:
index
Index into this map.
Returns:
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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