The DOMNodeList class

(PHP 5, PHP 7)

类摘要

DOMNodeList implements Traversable , Countable {
/* 属性 */
readonly public int $length ;
/* 方法 */
public count ( void ) : int
item ( int $index ) : DOMNode
}

属性

length

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

更新日志

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

参见

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