DOMNamedNodeMap::count
(PHP 7 >= 7.2.0)
DOMNamedNodeMap::count — Get number of nodes in the map
说明
public DOMNamedNodeMap::count
( void
) : int
Gets the number of nodes in the map.
参数
此函数没有参数。
返回值
Returns the number of nodes in the map, which is identical to the length property.