The RecursiveFilterIterator class

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

Introduction

This abstract iterator filters out unwanted values for a RecursiveIterator. This class should be extended to implement custom filters. The RecursiveFilterIterator::accept() must be implemented in the subclass.

Class synopsis

abstract class RecursiveFilterIterator extends FilterIterator implements RecursiveIterator {

/* Methods */

public function __construct(RecursiveIterator $iterator)

public function getChildren(): ?RecursiveFilterIterator

public function hasChildren(): bool

/* Inherited methods */

public function FilterIterator::accept(): bool

public function FilterIterator::current(): mixed

public function FilterIterator::key(): mixed

public function FilterIterator::next(): void

public function FilterIterator::rewind(): void

public function FilterIterator::valid(): bool

public function IteratorIterator::current(): mixed

public function IteratorIterator::getInnerIterator(): ?Iterator

public function IteratorIterator::key(): mixed

public function IteratorIterator::next(): void

public function IteratorIterator::rewind(): void

public function IteratorIterator::valid(): bool

}

RecursiveFilterIterator::__construct — Create a RecursiveFilterIterator from a RecursiveIterator
RecursiveFilterIterator::getChildren — Return the inner iterator's children contained in a RecursiveFilterIterator
RecursiveFilterIterator::hasChildren — Check whether the inner iterator's current element has children

The RecursiveFilterIterator class

Introduction

Class synopsis

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