The DOMNodeList class

(PHP 5, PHP 7, PHP 8)

类摘要

class DOMNodeList implements Traversable, Countable {

/* 属性 */

public readonly int $length;

/* 方法 */

public count(): int|false

public item(int $index): ?DOMNode

}

length: The number of nodes in the list. The range of valid child node indices is 0 to length - 1 inclusive.

版本	说明
7.2.0	The Countable interface is implemented and returns the value of the length property.