php教程

DOMNodeList::count

(PHP 7 >= 7.2.0)

DOMNodeList::countGet 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.

User Contributed Notes

plimpton47 at example dot com 04-May-2018 08:09
Be careful with using this function as it's not available for anything before PHP 7.2, use the length property instead

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