The DOMNodeList class

(PHP 5, PHP 7, PHP 8)

Represents a live list of nodes.

class DOMNodeList implements IteratorAggregate, Countable {

/* 属性 */

public readonly int $length;

/* 方法 */

public function count(): int

public function getIterator(): Iterator

}

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
8.0.0	DOMNodeList implements IteratorAggregate now. Previously, Traversable was implemented instead.
7.2.0	The Countable interface is implemented and returns the value of the length property.

注意: Nodes in the list can be accessed by array syntax.

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