The RecursiveIterator interface

(PHP 5 >= 5.1.0, PHP 7, PHP 8)

Introduction

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

Interface synopsis

interface RecursiveIterator extends Iterator {
/* Methods */
public getChildren(): ?RecursiveIterator
public hasChildren(): bool
/* Inherited methods */
public Iterator::current(): mixed
public Iterator::key(): mixed
public Iterator::next(): void
public Iterator::rewind(): void
public Iterator::valid(): bool
}

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