Get number of nodes in the map

# DOMNamedNodeMap::count

(PHP 7 >= 7.2.0, PHP 8)

DOMNamedNodeMap::count — Get number of nodes in the map

### Description

public DOMNamedNodeMap::count(): int

Gets the number of nodes in the map.

### Parameters

This function has no parameters.

### Return Values

Returns the number of nodes in the map, which is identical to the length property.

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