DOMNodeList::count()
(PHP 7 >= 7.2.0)
Get number of nodes in the list
说明
public DOMNodeList::count(void): int
Gets the number of nodes in the list.
参数
此函数没有参数。
返回值
Returns the number of nodes in the list, which is identical to the length property.
Be careful with using this function as it's not available for anything before PHP 7.2, use the length property instead