PHP Manual
Iterators
The ParentIterator class

The ParentIterator class

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

Introduction

This extended FilterIterator allows a recursive iteration using RecursiveIteratorIterator that only shows those elements which have children.

Class synopsis

class ParentIterator extends RecursiveFilterIterator {

/* Methods */

public __construct(RecursiveIterator $iterator)

public accept(): bool

public getChildren(): ParentIterator

public hasChildren(): bool

public next(): void

public rewind(): void

/* Inherited methods */

public RecursiveFilterIterator::getChildren(): ?RecursiveFilterIterator

public RecursiveFilterIterator::hasChildren(): bool

public FilterIterator::accept(): bool

public FilterIterator::current(): mixed

public FilterIterator::getInnerIterator(): Iterator

public FilterIterator::key(): mixed

public FilterIterator::next(): void

public FilterIterator::rewind(): void

public FilterIterator::valid(): bool

public IteratorIterator::current(): mixed

public IteratorIterator::getInnerIterator(): ?Iterator

public IteratorIterator::key(): mixed

public IteratorIterator::next(): void

public IteratorIterator::rewind(): void

public IteratorIterator::valid(): bool

}

Table of Contents

ParentIterator::accept — Determines acceptability
ParentIterator::__construct — Constructs a ParentIterator
ParentIterator::getChildren — Return the inner iterator's children contained in a ParentIterator
ParentIterator::hasChildren — Check whether the inner iterator's current element has children
ParentIterator::next — Move the iterator forward
ParentIterator::rewind — Rewind the iterator

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