The OuterIterator interface

The OuterIterator interface

Introduction

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

Classes implementing OuterIterator can be used to iterate over iterators.

Interface synopsis

interface OuterIterator extends Iterator {

/* Methods */

public getInnerIterator(): ?Iterator

/* Inherited methods */

public Iterator::current(): mixed

public Iterator::key(): mixed

public Iterator::next(): void

public Iterator::rewind(): void

public Iterator::valid(): bool

}

Table of Contents

• OuterIterator::getInnerIterator — Returns the inner iterator for the current entry

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https://www.php.net/manual/en/class.outeriterator.php