Get number of nodes in the map

DOMNamedNodeMap::count

(PHP 7 >= 7.2.0, PHP 8)

DOMNamedNodeMap::countGet number of nodes in the map

說明

public DOMNamedNodeMap::count(): int

Gets the number of nodes in the map.

參數

此函式沒有參數。

返回值

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

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