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IteratorAggregate::getIterator	InternalIterator::__construct

Predefined Interfaces and Classes	Last updated: Mon, 26 Oct 2026

The InternalIterator class

(PHP 8)

Introduction

Class to ease implementing IteratorAggregate for internal classes.

Class synopsis

final class InternalIterator implements Iterator {

/* Methods */

private function __construct()

public function current(): mixed

public function key(): mixed

public function next(): void

public function rewind(): void

public function valid(): bool

}

Table of Contents

InternalIterator::__construct — Private constructor to disallow direct instantiation
InternalIterator::current — Return the current element
InternalIterator::key — Return the key of the current element
InternalIterator::next — Move forward to next element
InternalIterator::rewind — Rewind the Iterator to the first element
InternalIterator::valid — Check if current position is valid

IteratorAggregate::getIterator	InternalIterator::__construct

Predefined Interfaces and Classes	Last updated: Mon, 26 Oct 2026