PHP Manual
接口
The RecursiveIterator interface

The RecursiveIterator interface

(PHP 5 >= 5.1.0, PHP 7)

简介

Classes implementing RecursiveIterator can be used to iterate over iterators recursively.

接口摘要

RecursiveIterator extends Iterator {

/* 方法 */

public getChildren ( void ) : RecursiveIterator

public hasChildren ( void ) : bool

/* 继承的方法 */

abstract public Iterator::current ( void ) : mixed

abstract public Iterator::key ( void ) : scalar

abstract public Iterator::next ( void ) : void

abstract public Iterator::rewind ( void ) : void

abstract public Iterator::valid ( void ) : bool

}

Table of Contents

RecursiveIterator::getChildren — Returns an iterator for the current entry
RecursiveIterator::hasChildren — Returns if an iterator can be created for the current entry

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