The RecursiveIterator interface

Introduction

(PHP 5 >= 5.1.0, PHP 7)

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

Interface synopsis

public getChildren ( ) : RecursiveIterator

public hasChildren ( ) : bool

abstract public Iterator::current ( ) : mixed

abstract public Iterator::key ( ) : scalar

abstract public Iterator::next ( ) : void

abstract public Iterator::rewind ( ) : void

abstract public Iterator::valid ( ) : 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